2003 GMC Sierra 2500 HD Alternator
Browse our online catalogue to find original replacement Alternators specifically designed to fit a 2003 GMC Sierra 2500 HD.
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
With Delco 130 Amp or Delco 145 Amp, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
$190.92
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
With Delco 145 Amp or Delco 145 Amp 6S Non Clutch Pulley, With 4 Pin Regulator Plug, Supplied as Delco AD244 145 Amp
2003 GMC Sierra 2500 HD Alternator
Core charge: $90.00
$116.86
10+ In Stock
Condition: Remanufactured
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
Core charge: $90.00
$116.86
10+ In Stock
Condition: Remanufactured
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
Core charge: $90.00
$116.86
10+ In Stock
Condition: Remanufactured
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
$163.11
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Delco, 105 Amp Standard
Delco, 105 Amp Standard
2003 GMC Sierra 2500 HD Alternator
$163.11
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Delco, 105 Amp Standard
Delco, 105 Amp Standard
2003 GMC Sierra 2500 HD Alternator
$163.11
10+ In Stock
Condition: New
Ships: Monday Sep. 28th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Delco, 105 Amp Standard
Delco, 105 Amp Standard
2003 GMC Sierra 2500 HD Alternator
$191.82
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Delco AD244, 145A
Delco AD244, 145A
2003 GMC Sierra 2500 HD Alternator
$191.82
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Delco AD244, 145A
Delco AD244, 145A
2003 GMC Sierra 2500 HD Alternator
$191.82
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Delco AD244, 145A
Delco AD244, 145A
2003 GMC Sierra 2500 HD Alternator
$216.48
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$216.48
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$216.48
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$217.50
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$217.50
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$217.50
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
253 Amp Aftermarket upgrade
253 Amp Aftermarket upgrade
2003 GMC Sierra 2500 HD Alternator
$337.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$337.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$337.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$331.16
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
$331.16
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
$331.16
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
$163.88
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Delco 105 Amp
Delco 105 Amp
2003 GMC Sierra 2500 HD Alternator
$163.88
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Delco 105 Amp
Delco 105 Amp
2003 GMC Sierra 2500 HD Alternator
$163.88
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Delco 105 Amp
Delco 105 Amp
2003 GMC Sierra 2500 HD Alternator
$339.31
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$339.31
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$339.31
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
AD244 Series 220 Amp upgrade
AD244 Series 220 Amp upgrade
2003 GMC Sierra 2500 HD Alternator
$332.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
$332.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
$332.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Delco AD244, 200A
Delco AD244, 200A
2003 GMC Sierra 2500 HD Alternator
Core charge: $75.00
$177.55
In Stock
Condition: Remanufactured
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
Core charge: $75.00
$177.55
In Stock
Condition: Remanufactured
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
Core charge: $75.00
$177.55
In Stock
Condition: Remanufactured
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
$193.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
$193.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
$193.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
w/ Delco 105 amp alt.
w/ Delco 105 amp alt.
2003 GMC Sierra 2500 HD Alternator
$318.76
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
$318.76
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
$318.76
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Optional, w/ 145 amp alt.
Optional, w/ 145 amp alt.
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
2003 GMC Sierra 2500 HD Alternator
$230.34
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
Regulator Position: Internal Fan Position: Internal Power Generation (Amps): 105A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: Base;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLE;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLT;
Body Type: Crew Cab Pickup; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
Power Generation (Amps): 145A Regulator Position: Internal Fan Position: Internal
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Sub-Model: Base;
Body Type: Crew Cab Pickup; Sub-Model: Base;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Sub-Model: SLE;
Body Type: Crew Cab Pickup; Sub-Model: SLE;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
$253.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Body Type: Crew Cab Pickup; Sub-Model: SLT;
Body Type: Crew Cab Pickup; Sub-Model: SLT;
Vehicle Fitment Notes:
Power Generation (Amps): 145A
Power Generation (Amps): 145A
2003 GMC Sierra 2500 HD Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
145 Amp; with 4-Pin Plug; Delco Unit First Time Fit
145 Amp; with 4-Pin Plug; Delco Unit First Time Fit
2003 GMC Sierra 2500 HD Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
145 Amp with 4-Pin Plug Delco Unit First Time Fit
145 Amp with 4-Pin Plug Delco Unit First Time Fit
2003 GMC Sierra 2500 HD Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
145 Amp; Delco Unit First Time Fit
145 Amp; Delco Unit First Time Fit
2003 GMC Sierra 2500 HD Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
145 Amp Delco Unit First Time Fit
145 Amp Delco Unit First Time Fit
2003 GMC Sierra 2500 HD Alternator
$322.45
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
145 Amp (DR44G) upgrade version
145 Amp (DR44G) upgrade version
2003 GMC Sierra 2500 HD Alternator
$322.45
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
145 Amp (DR44G) upgrade version
145 Amp (DR44G) upgrade version
2003 GMC Sierra 2500 HD Alternator
$322.45
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
145 Amp (DR44G) upgrade version
145 Amp (DR44G) upgrade version
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: Canada; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: Canada; Valves: 16;
Vehicle Fitment Notes:
145 Amp
145 Amp
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: United States; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: United States; Valves: 16;
Vehicle Fitment Notes:
145 Amp
145 Amp
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: Canada; Valves: 32;
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: Canada; Valves: 32;
Vehicle Fitment Notes:
145 Amp
145 Amp
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: United States; Valves: 32;
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: United States; Valves: 32;
Vehicle Fitment Notes:
145 Amp
145 Amp
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: Canada; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: Canada; Valves: 16;
Vehicle Fitment Notes:
145 Amp Pulley Diameter 57
145 Amp Pulley Diameter 57
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: United States; Valves: 16;
Aspiration: Naturally Aspirated; Cylinder Head: OHV; Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0); Engine Designation: L18; Engine Manufacturer: General Motors; Engine Version: Vortec; Engine VIN: G; Fuel Type: GAS; Region: United States; Valves: 16;
Vehicle Fitment Notes:
145 Amp Pulley Diameter 57
145 Amp Pulley Diameter 57
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: Canada; Valves: 32;
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: Canada; Valves: 32;
Vehicle Fitment Notes:
145 Amp Pulley Diameter 57
145 Amp Pulley Diameter 57
2003 GMC Sierra 2500 HD Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2003 GMC Sierra 2500 HD
Equipped With:
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: United States; Valves: 32;
Aspiration: Turbocharged; Cylinder Head: OHV; Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0); Engine Designation: LB7; Engine Manufacturer: General Motors; Engine Version: Duramax; Engine VIN: 1; Fuel Type: DIESEL; Region: United States; Valves: 32;
Vehicle Fitment Notes:
145 Amp Pulley Diameter 57
145 Amp Pulley Diameter 57