2004 Peterbilt 378 Drive Belt Tensioner Pulleys
Save up to 40% on original replacement 2004 Peterbilt 378 Drive Belt Tensioner Pulleys. Navigate our online catalogue to find Drive Belt Tensioner Pulleys and other parts designed specifically to fit a 2004 Peterbilt 378.






Drive Belt Tensioner Pulley - Air Conditioning
$64.61
$53.70
10+ In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);





Drive Belt Tensioner Pulley - Fan and Alternator
$64.61
$53.70
10+ In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);

Drive Belt Tensioner Pulley - Alternator
$54.26
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: 12.0L 732ci6 (5.10x5.90; 130.0x150.0); Engine Designation: C12; Engine Manufacturer: Caterpillar;
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0); Engine Designation: C12; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Smooth Pulley
Smooth Pulley

Drive Belt Tensioner Pulley - Alternator and Air Conditioning
$75.63
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: 11.1L 677ci6; Engine Designation: C11; Engine Manufacturer: Caterpillar;
Engine Base: 11.1L 677ci6; Engine Designation: C11; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Grooved Pulley
Grooved Pulley





Drive Belt Tensioner Pulley - Grooved Pulley
$101.51
$83.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;





Drive Belt Tensioner Pulley - Fan and Alternator
$119.25
$99.31
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
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);





Drive Belt Tensioner Pulley - Air Conditioning
$92.19
$84.62
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
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);