2003 Peterbilt 379 Serpentine Belts
Save up to 40% on original replacement 2003 Peterbilt 379 Serpentine Belts. Navigate our online catalogue to find Serpentine Belts and other parts designed specifically to fit a 2003 Peterbilt 379.
Serpentine Belt - Fan To Air Conditioning
$41.34
$36.68
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Serpentine Belt - Fan To Air Conditioning
$41.34
$36.68
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: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1);
Serpentine Belt - Fan To Air Conditioning
$41.34
$36.68
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: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
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, Alternator and Tensioner
$75.88
$63.48
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
Made in Italy
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Serpentine Belt - Fan To Alternator
$86.37
$74.12
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: 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 - Fan To Alternator
$86.37
$74.12
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: 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 - Fan To Alternator
$91.97
$74.79
Limited 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: 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 - Fan To Alternator
$91.97
$74.79
Limited 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: 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 - Alternator
$93.95
$82.53
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Serpentine Belt - Fan To Alternator
$101.32
$87.28
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: 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 - Fan To Alternator
$101.32
$87.28
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: 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 - Fan, Alternator and Idler
$86.80
$75.57
Limited 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: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Serpentine Belt - Fan and Alternator
$50.08
$48.77
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Serpentine Belt - Fan and Alternator
$50.08
$48.77
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: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1);
Serpentine Belt - Air Conditioning
$32.51
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: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
Serpentine Belt - Alternator and Air Conditioning
$36.57
10+ 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 - Alternator and Air Conditioning
$67.26
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Serpentine Belt - Fan and Alternator
$81.11
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: 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;
Serpentine Belt - Fan and Alternator
$81.11
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: 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;
Serpentine Belt - Fan and Alternator
$48.18
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: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
Serpentine Belt - Fan
$84.50
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: 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 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);
Serpentine Belt - Fan and Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14640cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: C15; Engine Manufacturer: Caterpillar;
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: 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;