2012 Western Star 4900EX Alternator
Browse our online catalogue to find original replacement Alternators specifically designed to fit a 2012 Western Star 4900EX.





2012 Western Star 4900EX Alternator
$330.61
10+ 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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Delco 28SI IR/IF 12V 200A CW WO/ Pulley Detroit Diesel Series 60
Delco 28SI IR/IF 12V 200A CW WO/ Pulley Detroit Diesel Series 60





2012 Western Star 4900EX Alternator
$330.61
10+ 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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Detroit Diesel Series 60 Prestolite IR/IF 12V 190A BI WO/ Pulley
Detroit Diesel Series 60 Prestolite IR/IF 12V 190A BI WO/ Pulley





2012 Western Star 4900EX Alternator
$243.55
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley Detroit Diesel Series 60
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley Detroit Diesel Series 60



2012 Western Star 4900EX Alternator
$351.28
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Delco 22SI IR/EF 12V 150A CW WO/ Pulley Detroit Diesel Series 60
Delco 22SI IR/EF 12V 150A CW WO/ Pulley Detroit Diesel Series 60





2012 Western Star 4900EX Alternator
$381.88
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Delco 24SI Quad Pad Mount IR/IF 12V 145A CW WO/ Pulley Detroit Diesel Series 60
Delco 24SI Quad Pad Mount IR/IF 12V 145A CW WO/ Pulley Detroit Diesel Series 60



2012 Western Star 4900EX Alternator
$315.50
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Bosch IR/IF 12V 160A CW WO/ Pulley Detroit Diesel Series 60
Bosch IR/IF 12V 160A CW WO/ Pulley Detroit Diesel Series 60



2012 Western Star 4900EX Alternator
$346.31
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Bosch IR/IF 12V 200A CW WO/ Pulley Detroit Diesel Series 60
Bosch IR/IF 12V 200A CW WO/ Pulley Detroit Diesel Series 60





2012 Western Star 4900EX Alternator
$461.81
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley Detroit Diesel Series 60
Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley Detroit Diesel Series 60





2012 Western Star 4900EX Alternator
$461.81
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Detroit Diesel Series 60 Leece Neville PAD MOUNT IR/EF 12V 160A BI
Detroit Diesel Series 60 Leece Neville PAD MOUNT IR/EF 12V 160A BI





2012 Western Star 4900EX Alternator
$432.42
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: 2012 Western Star 4900EX
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Detroit Diesel Series 60 Motorola IR/EF 12V 160A CW WO/ Pulley
Detroit Diesel Series 60 Motorola IR/EF 12V 160A CW WO/ Pulley