1988 Peterbilt 378 Serpentine Belt
Navigate our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 1988 Peterbilt 378.






Serpentine Belt
$24.76
$21.99 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Water Pump and Idler
Required Per Vehicle: 1
Vehicle fitment:
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 4 Rib Belt with 43in Long Belt
with 4 Rib Belt with 43in Long Belt





Serpentine Belt
$28.98
$25.67 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Water Pump and Idler
Required Per Vehicle: 1
Vehicle fitment:
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 4 Rib Belt with 44-1/2in Long Belt
with 4 Rib Belt with 44-1/2in Long Belt





Serpentine Belt
$32.98
$28.62 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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





Serpentine Belt
$43.75
$38.08 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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





Serpentine Belt
$43.88
$36.57 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Water Pump and Idler
Required Per Vehicle: 1
Vehicle fitment:
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 6 Rib Belt
with 6 Rib Belt





Serpentine Belt
$72.12
$63.86 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan and Idler
Required Per Vehicle: 1
Vehicle fitment:
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





Serpentine Belt
$80.59
$68.18 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan and Idler
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
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

Serpentine Belt
$19.48 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)
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"

Serpentine Belt
$23.03 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)
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"

Serpentine Belt
$25.82 CAD
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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

Serpentine Belt
$25.94 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: 10.0L 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

Serpentine Belt
$26.85 CAD
In Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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

Serpentine Belt
$32.83 CAD
In Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"

Serpentine Belt
$34.51 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)
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"

Serpentine Belt
$57.29 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)
Fan and Idler
Required Per Vehicle: 1
Vehicle fitment:
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

Serpentine Belt
$52.49 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 Idler
Required Per Vehicle: 1
Vehicle fitment:
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

Serpentine Belt
$70.89 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)
Fan and Idler
Required Per Vehicle: 1
Vehicle fitment:
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


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Vehicle fitment:
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


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"


Serpentine Belt
Call for Pricing CAD
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Vehicle fitment:
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"