2001 Western Star 4900 Alternator
Browse our online catalogue to find original replacement Alternators specifically designed to fit a 2001 Western Star 4900.





2001 Western Star 4900 Alternator
$302.75
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Delco 22SI IR/EF 12V 145A CW WO/ Pulley
Caterpillar 3406 Delco 22SI IR/EF 12V 145A CW WO/ Pulley





2001 Western Star 4900 Alternator
$318.33
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
Caterpillar 3406 Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley





2001 Western Star 4900 Alternator
$318.33
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley



2001 Western Star 4900 Alternator
$377.25
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Optional Replacement
Caterpillar 3406 Optional Replacement



2001 Western Star 4900 Alternator
$383.97
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Optional Replacement, Bosch IR/IF 12V 200A CW Without Pulley
Caterpillar 3406 Optional Replacement, Bosch IR/IF 12V 200A CW Without Pulley



2001 Western Star 4900 Alternator
$383.97
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Optional Replacement, Bosch IR/IF 12V 200A CW Without Pulley
Optional Replacement, Bosch IR/IF 12V 200A CW Without Pulley



2001 Western Star 4900 Alternator
$383.97
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Optional Replacement
Optional Replacement



2001 Western Star 4900 Alternator
$296.08
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Delco 22SI IR/EF 12V 130A CW WO/ Pulley
Delco 22SI IR/EF 12V 130A CW WO/ Pulley



2001 Western Star 4900 Alternator
$296.08
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Delco 22SI IR/EF 12V 145A CW WO/ Pulley
Delco 22SI IR/EF 12V 145A CW WO/ Pulley



2001 Western Star 4900 Alternator
$372.42
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Motorola 8LHA IR/EF 12V 160A BI WO/ Pulley
Caterpillar 3406 Motorola 8LHA IR/EF 12V 160A BI WO/ Pulley



2001 Western Star 4900 Alternator
$372.42
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Motorola IR/EF 12V 130A BI WO/ Pulley
Caterpillar 3406 Motorola IR/EF 12V 130A BI WO/ Pulley



2001 Western Star 4900 Alternator
$372.42
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Motorola 8LHA IR/EF 12V 140A BI WO/ Pulley
Motorola 8LHA IR/EF 12V 140A BI WO/ Pulley



2001 Western Star 4900 Alternator
$372.42
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Motorola IR/EF 12V 130A BI WO/ Pulley
Motorola IR/EF 12V 130A BI WO/ Pulley



2001 Western Star 4900 Alternator
$372.42
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Motorola IR/EF 12V 140A BI WO/ Pulley
Motorola IR/EF 12V 140A BI WO/ Pulley





2001 Western Star 4900 Alternator
$390.77
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Delco 35SI IR/EF 12V 135A BI WO/ Pulley
Caterpillar 3406 Delco 35SI IR/EF 12V 135A BI WO/ Pulley





2001 Western Star 4900 Alternator
$390.77
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Delco 33SI IR/EF 12V 135A BI WO/ Pulley
Delco 33SI IR/EF 12V 135A BI WO/ Pulley





2001 Western Star 4900 Alternator
$448.12
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: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Delco 36SI IR/EF 12V 170A BI WO/ Pulley
Caterpillar 3406 Delco 36SI IR/EF 12V 170A BI WO/ Pulley





2001 Western Star 4900 Alternator
$448.12
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: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Delco 36SI IR/EF 12V 170A BI WO/ Pulley
Delco 36SI IR/EF 12V 170A BI WO/ Pulley

2001 Western Star 4900 Alternator
$614.30
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: 2001 Western Star 4900
Equipped With:
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Vehicle Fitment Notes:
12V / 130A Dual Foot Mt. ND
12V / 130A Dual Foot Mt. ND



2001 Western Star 4900 Alternator
$323.05
In Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Leece Neville IR 12V 145A BI
Leece Neville IR 12V 145A BI





2001 Western Star 4900 Alternator
$538.19
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Leece Neville 2500J IR/EF 12V 130A BI WO/ Pulley
Caterpillar 3406 Leece Neville 2500J IR/EF 12V 130A BI WO/ Pulley





2001 Western Star 4900 Alternator
$538.19
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Leece Neville 2500J IR/EF 12V 130A BI WO/ Pulley
Leece Neville 2500J IR/EF 12V 130A BI WO/ Pulley





2001 Western Star 4900 Alternator
$358.48
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Leece Neville 2800J IR/EF 12V 160A CW WO/ Pulley
Caterpillar 3406 Leece Neville 2800J IR/EF 12V 160A CW WO/ Pulley





2001 Western Star 4900 Alternator
$358.48
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Leece Neville 2800J IR/EF 12V 145A WO/ Pulley
Leece Neville 2800J IR/EF 12V 145A WO/ Pulley
2001 Western Star 4900 Alternator
$340.68
Limited Stock
Condition: New
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Optional Replacement 14.5 Volt set-point
Optional Replacement 14.5 Volt set-point





2001 Western Star 4900 Alternator
$558.80
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Caterpillar 3406 Delco 33SI/455 IR/EF 12V 135A BI WO/ Pulley
Caterpillar 3406 Delco 33SI/455 IR/EF 12V 135A BI WO/ Pulley





2001 Western Star 4900 Alternator
$1,222.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Leece Neville IR/EF 12V 320A CW
Leece Neville IR/EF 12V 320A CW
2001 Western Star 4900 Alternator
$586.86
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
Leece Neville 2800J IR/EF 12V 160A CW WO/ Pulley
Leece Neville 2800J IR/EF 12V 160A CW WO/ Pulley
2001 Western Star 4900 Alternator
$1,222.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2001 Western Star 4900
Equipped With:
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Vehicle Fitment Notes:
320A LN SE Regulator
320A LN SE Regulator