2003 Peterbilt 378 Serpentine Belt
Navigate our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 2003 Peterbilt 378.
Serpentine Belt
$45.75
$38.02 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Air Conditioning
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
$86.37
$74.12 CAD
In Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
with 71-1/2in Long Belt
with 71-1/2in Long Belt
Serpentine Belt
$86.37
$74.12 CAD
In Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
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:
with 71-1/2in Long Belt
with 71-1/2in Long Belt
Serpentine Belt
$91.97
$74.79 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
with 73in Long Belt
with 73in Long Belt
Serpentine Belt
$91.97
$74.79 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
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:
with 73in Long Belt
with 73in Long Belt
Serpentine Belt
$101.32
$87.28 CAD
In Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
with 74in Long Belt
with 74in Long Belt
Serpentine Belt
$101.32
$87.28 CAD
In Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan To Alternator
Required Per Vehicle: 1
Vehicle fitment:
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:
with 74in Long Belt
with 74in Long Belt
Serpentine Belt
$99.76
$82.70 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 8th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan and Alternator
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);
Serpentine Belt
$73.31 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 70" Belt
w/ 70" Belt
Serpentine Belt
$74.71 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 71" Belt
w/ 71" Belt
Serpentine Belt
$77.80 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 72 1/2" Belt
w/ 72 1/2" Belt
Serpentine Belt
$81.11 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0); Engine Designation: C10; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 74" Belt
w/ 74" Belt
Serpentine Belt
$81.11 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Fan and Alternator
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;