2004 Peterbilt 378 Drive Belt Tensioner Pulley
Browse our online catalogue to find original replacement Drive Belt Tensioner Pulleys specifically designed to fit a 2004 Peterbilt 378.



2004 Peterbilt 378 Drive Belt Tensioner Pulley
$64.61
$55.36
In Stock
Condition: New
Ships: Wednesday Sep. 30th
Pick-Up: Ready in 1 Hour Wednesday Sep. 30th
Pick-Up: Ready in 1 Hour Wednesday Sep. 30th
Air Conditioning
Required Per Vehicle: 1
Made in USA
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);



2004 Peterbilt 378 Drive Belt Tensioner Pulley
$64.61
$55.36
In Stock
Condition: New
Ships: Wednesday Sep. 30th
Pick-Up: Ready in 1 Hour Wednesday Sep. 30th
Pick-Up: Ready in 1 Hour Wednesday Sep. 30th
Fan and Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);

2004 Peterbilt 378 Drive Belt Tensioner Pulley
$45.57
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)
Alternator
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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

2004 Peterbilt 378 Drive Belt Tensioner Pulley
$59.10
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)
Alternator and Air Conditioning
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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



2004 Peterbilt 378 Drive Belt Tensioner Pulley
$101.51
$83.70
Out of Stock
Condition: New
Grooved Pulley
Required Per Vehicle: 1
Made in USA
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;



2004 Peterbilt 378 Drive Belt Tensioner Pulley
$119.25
$99.31
Out of Stock
Condition: New
Fan and Alternator
Required Per Vehicle: 1
Made in USA
Fits: 2004 Peterbilt 378
Equipped With:
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);



2004 Peterbilt 378 Drive Belt Tensioner Pulley
$92.19
$84.62
Out of Stock
Condition: New
Air Conditioning
Required Per Vehicle: 1
Made in USA
Fits: 2004 Peterbilt 378
Equipped With:
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);




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
Steel Hardware Not Included Smooth 1.55 in Width
Steel Hardware Not Included Smooth 1.55 in Width




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
Steel Hardware Not Included Smooth 1.55 in Width
Steel Hardware Not Included Smooth 1.55 in Width




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
Stl; w/o Hdwr; Flat; 74mm; 46.3mm
Stl; w/o Hdwr; Flat; 74mm; 46.3mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Stl; w/o Hdwr; Flat; 74mm; 46.3mm
Stl; w/o Hdwr; Flat; 74mm; 46.3mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
Stl; w/o Hdwr; Flat; 74mm; 46.3mm
Stl; w/o Hdwr; Flat; 74mm; 46.3mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6; Engine Designation: C13; Engine Manufacturer: Caterpillar;
Engine Base: 12.5L 763ci6; Engine Designation: C13; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Stl; w/o Hdwr; Flat; 74mm; 46.3mm
Stl; w/o Hdwr; Flat; 74mm; 46.3mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Fan and Alternator
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Hardware Not Included Steel
Hardware Not Included Steel




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Fan and Alternator
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Stl; w/DC; Flat; 74mm
Stl; w/DC; Flat; 74mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Power Steering
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Stl; w/o Hdwr; Flat; 74mm; 46.3mm
Stl; w/o Hdwr; Flat; 74mm; 46.3mm




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Fan and Alternator
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
Hardware Not Included with 2.91 in Outside Diameter Pulley
Hardware Not Included with 2.91 in Outside Diameter Pulley




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Fan and Alternator
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
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:
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib: E-Coated
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib: E-Coated




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Power Steering
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
Hardware Not Included with 2.91 in Outside Diameter Pulley
Hardware Not Included with 2.91 in Outside Diameter Pulley




2004 Peterbilt 378 Drive Belt Tensioner Pulley
Call for Pricing
Out of Stock
Condition: New
Power Steering
Required Per Vehicle: 1
Fits: 2004 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib: E-Coated
Stl; w/o Hdwr; Flat; 74mm; 39.4mm; 8 Rib: E-Coated