2005 Peterbilt 378 Serpentine Belt
Browse our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 2005 Peterbilt 378.



2005 Peterbilt 378 Serpentine Belt
$45.75
$38.02
10+ In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Air Conditioning
Required Per Vehicle: 1
Fits: 2005 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);



2005 Peterbilt 378 Serpentine Belt
$93.95
$82.53
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Alternator
Required Per Vehicle: 1
Fits: 2005 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);



2005 Peterbilt 378 Serpentine Belt
$67.12
$59.62
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Main Drive
Required Per Vehicle: 1
Made in Italy
Fits: 2005 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
with 101in Long Belt
with 101in Long Belt



2005 Peterbilt 378 Serpentine Belt
$99.71
$88.27
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Fan and Alternator
Required Per Vehicle: 1
Made in Italy
Fits: 2005 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);



2005 Peterbilt 378 Serpentine Belt
$88.93
$78.73
Limited Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Main Drive
Required Per Vehicle: 1
Fits: 2005 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
with 102-1/2in Long Belt
with 102-1/2in Long Belt



2005 Peterbilt 378 Serpentine Belt
$88.93
$78.73
Limited Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Main Drive
Required Per Vehicle: 1
Fits: 2005 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
with 102-1/2in Long Belt
with 102-1/2in Long Belt

2005 Peterbilt 378 Serpentine Belt
$36.12
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)
Air Conditioning
Required Per Vehicle: 1
Fits: 2005 Peterbilt 378
Equipped With:
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;

2005 Peterbilt 378 Serpentine Belt
$73.56
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)
Alternator
Required Per Vehicle: 1
Fits: 2005 Peterbilt 378
Equipped With:
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;
Vehicle Fitment Notes:
w/ 130 Amp Alt.
w/ 130 Amp Alt.

2005 Peterbilt 378 Serpentine Belt
$70.63
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: 2005 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:
w/ 102 1/2" Belt
w/ 102 1/2" Belt

2005 Peterbilt 378 Serpentine Belt
$70.63
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: 2005 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;

2005 Peterbilt 378 Serpentine Belt
$82.23
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: 2005 Peterbilt 378
Equipped With:
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;
Vehicle Fitment Notes:
w/ 135 Amp Alt.
w/ 135 Amp Alt.



2005 Peterbilt 378 Serpentine Belt
$44.76
$36.02
Out of Stock
Condition: New
Air Conditioning
Required Per Vehicle: 1
Fits: 2005 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);

2005 Peterbilt 378 Serpentine Belt
$58.37
Out of Stock
Condition: New
Alternator and Air Conditioning
Required Per Vehicle: 1
Fits: 2005 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:
w/ 101" Belt
w/ 101" Belt