2008 Peterbilt 387 Alternators
Save up to 40% on original replacement 2008 Peterbilt 387 Alternators. Navigate our online catalogue to find Alternators and other parts designed specifically to fit a 2008 Peterbilt 387.




Alternator
$320.13
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 22SI IR/EF 12V 150A CW WO/ Pulley
Caterpillar C13 Delco 22SI IR/EF 12V 150A CW WO/ Pulley





Alternator
$462.64
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Motorola IR/EF 12V 160A CW WO/ Pulley
Caterpillar C13 Motorola IR/EF 12V 160A CW WO/ Pulley





Alternator
$481.30
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 34SI Quad Pad Mount IR/EF 12V 135A BI WO/ Pulley
Caterpillar C13 Delco 34SI Quad Pad Mount IR/EF 12V 135A BI WO/ Pulley





Alternator
$481.30
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 35SI HP IR/EF 12V 140A BI WO/ Pulley
Caterpillar C13 Delco 35SI HP IR/EF 12V 140A BI WO/ Pulley





Alternator
$552.62
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley
Caterpillar C13 Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley





Alternator
$552.62
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Leece Neville PAD MOUNT IR/EF 12V 160A BI
Caterpillar C13 Leece Neville PAD MOUNT IR/EF 12V 160A BI





Alternator
$307.00
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 24SI Quad Pad Mount IR/IF 12V 145A CW WO/ Pulley
Caterpillar C13 Delco 24SI Quad Pad Mount IR/IF 12V 145A CW WO/ Pulley





Alternator
$313.25
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
Caterpillar C13 Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley





Alternator
$345.84
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Caterpillar C13 Delco 28SI IR/IF 12V 200A CW WO/ Pulley
Caterpillar C13 Delco 28SI IR/IF 12V 200A CW WO/ Pulley