1989 Peterbilt 378 Serpentine Belt
Browse our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 1989 Peterbilt 378.
1989 Peterbilt 378 Serpentine Belt
$32.98
$28.62
In Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 35-1/2in Long Belt
with 35-1/2in Long Belt
1989 Peterbilt 378 Serpentine Belt
$43.75
$38.08
In Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 38-1/2in Long Belt
with 38-1/2in Long Belt
1989 Peterbilt 378 Serpentine Belt
$44.85
$39.69
In Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Air Conditioning
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
1989 Peterbilt 378 Serpentine Belt
$24.76
$21.99
In Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Water Pump and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with 43in Long Belt
with 43in Long Belt
1989 Peterbilt 378 Serpentine Belt
$92.90
$76.97
In Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Fan To Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
1989 Peterbilt 378 Serpentine Belt
$80.59
$68.18
Limited Stock
Condition: New
Ships: Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Pick-Up: Ready in 1 Hour Monday Aug. 3rd
Fan and Idler
Required Per Vehicle: 1
Made in Italy
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 59in Long Belt
with 59in Long Belt
1989 Peterbilt 378 Serpentine Belt
$23.49
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: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 34" Belt
W/ 34" Belt
1989 Peterbilt 378 Serpentine Belt
$20.71
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: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 35" Belt
W/ 35" Belt
1989 Peterbilt 378 Serpentine Belt
$26.41
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: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 38" Belt
W/ 38" Belt
1989 Peterbilt 378 Serpentine Belt
$29.86
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)
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 44"
w/ 6-Rib Belt, 44"
1989 Peterbilt 378 Serpentine Belt
$56.36
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)
Fan and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
w/ 50 1/2" belt
w/ 50 1/2" belt
1989 Peterbilt 378 Serpentine Belt
$47.03
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)
Fan and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
w/ 54 1/2" Belt
w/ 54 1/2" Belt
1989 Peterbilt 378 Serpentine Belt
$63.88
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)
Fan and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
w/ 58 1/2" Belt
w/ 58 1/2" Belt
1989 Peterbilt 378 Serpentine Belt
$19.17
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)
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 4-Rib Belt, 43 1/2"
w/ 4-Rib Belt, 43 1/2"
1989 Peterbilt 378 Serpentine Belt
$22.65
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)
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 4-Rib Belt, 45"
w/ 4-Rib Belt, 45"
1989 Peterbilt 378 Serpentine Belt
$25.96
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)
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 43"
w/ 6-Rib Belt, 43"
1989 Peterbilt 378 Serpentine Belt
$28.98
$25.67
Out of Stock
Condition: New
Water Pump and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with 44-1/2in Long Belt
with 44-1/2in Long Belt
1989 Peterbilt 378 Serpentine Belt
$72.12
$63.86
Out of Stock
Condition: New
Fan and Idler
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 51in Long Belt
with 51in Long Belt
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 4-Rib Belt, 43 1/2"
w/ 4-Rib Belt, 43 1/2"
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 34" Belt
W/ 34" Belt
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 34" Belt
W/ 34" Belt
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 35" Belt
W/ 35" Belt
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
W/ 38" Belt
W/ 38" Belt
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 43"
w/ 6-Rib Belt, 43"
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 43"
w/ 6-Rib Belt, 43"
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 44"
w/ 6-Rib Belt, 44"
1989 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1989 Peterbilt 378
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 6-Rib Belt, 44"
w/ 6-Rib Belt, 44"