2012 Peterbilt 388 Serpentine Belts
Save up to 40% on original replacement 2012 Peterbilt 388 Serpentine Belts. Navigate our online catalogue to find Serpentine Belts and other parts designed specifically to fit a 2012 Peterbilt 388.






Serpentine Belt - Alternator and Air Conditioning
$49.31
$41.42
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 726ci6;
Engine Base: 11.9L 726ci6;





Serpentine Belt - Air Conditioning
$45.75
$38.02
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);





Serpentine Belt - Air Conditioning
$45.75
$38.02
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 15.0L 915ci6;
Engine Base: 15.0L 915ci6;





Serpentine Belt - Alternator and Air Conditioning
$61.00
$52.29
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;





Serpentine Belt - Fan and Water Pump
$117.56
$104.09
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;





Serpentine Belt - Fan and Alternator
$149.97
$121.78
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
with 87-1/4in Long Belt
with 87-1/4in Long Belt

Serpentine Belt - Alternator and Air Conditioning
$37.48
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: 11.9L 726ci6; Engine Designation: ISX 11.9;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;

Serpentine Belt - Air Conditioning
$36.12
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: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;

Serpentine Belt - Air Conditioning
$72.25
Limited 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: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;

Serpentine Belt - Fan
$75.98
Limited 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: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;

Serpentine Belt - Fan and Alternator
$88.33
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: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;





Serpentine Belt - Fan
$69.94
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 11.9L 726ci6;
Engine Base: 11.9L 726ci6;





Serpentine Belt - Fan
$99.76
$82.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 15.0L 915ci6;
Engine Base: 15.0L 915ci6;





Serpentine Belt - Fan and Alternator
$99.76
$82.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
with 91in Long Belt
with 91in Long Belt


Serpentine Belt - Alternator and Air Conditioning
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;