1998 Peterbilt 378 Serpentine Belt
Browse our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 1998 Peterbilt 378.



1998 Peterbilt 378 Serpentine Belt
$66.07
$58.92
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan and Idler
Required Per Vehicle: 1
Fits: 1998 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 54-1/2in Long Belt
with 54-1/2in Long Belt



1998 Peterbilt 378 Serpentine Belt
$66.07
$58.92
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan and Idler
Required Per Vehicle: 1
Fits: 1998 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);
Vehicle Fitment Notes:
with 54-1/2in Long Belt
with 54-1/2in Long Belt



1998 Peterbilt 378 Serpentine Belt
$86.37
$74.12
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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



1998 Peterbilt 378 Serpentine Belt
$86.37
$74.12
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan To Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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



1998 Peterbilt 378 Serpentine Belt
$35.78
$31.32
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Water Pump and Idler
Required Per Vehicle: 1
Made in Italy
Fits: 1998 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);



1998 Peterbilt 378 Serpentine Belt
$32.75
$28.77
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Alternator
Required Per Vehicle: 1
Fits: 1998 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);



1998 Peterbilt 378 Serpentine Belt
$32.75
$28.77
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Alternator
Required Per Vehicle: 1
Fits: 1998 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);



1998 Peterbilt 378 Serpentine Belt
$84.03
$68.81
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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 69in Long Belt
with 69in Long Belt



1998 Peterbilt 378 Serpentine Belt
$84.03
$68.81
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan To Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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 69-1/2in Long Belt
with 69-1/2in Long Belt



1998 Peterbilt 378 Serpentine Belt
$83.95
$73.55
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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 70in Long Belt
with 70in Long Belt



1998 Peterbilt 378 Serpentine Belt
$83.95
$73.55
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan To Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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 70-1/2in Long Belt
with 70-1/2in Long Belt



1998 Peterbilt 378 Serpentine Belt
$72.12
$63.86
Limited Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan and Idler
Required Per Vehicle: 1
Fits: 1998 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



1998 Peterbilt 378 Serpentine Belt
$72.12
$63.86
Limited Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Pick-Up: Ready in 1 Hour Monday Feb. 16th
Fan and Idler
Required Per Vehicle: 1
Fits: 1998 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);
Vehicle Fitment Notes:
with 51in Long Belt
with 51in Long Belt

1998 Peterbilt 378 Serpentine Belt
$73.31
10+ 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: 1998 Peterbilt 378
Equipped With:
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

1998 Peterbilt 378 Serpentine Belt
$73.31
10+ 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: 1998 Peterbilt 378
Equipped With:
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;
Vehicle Fitment Notes:
w/ 70" Belt
w/ 70" Belt

1998 Peterbilt 378 Serpentine Belt
$28.18
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: 1998 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);

1998 Peterbilt 378 Serpentine Belt
$70.74
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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/ 69" Belt
w/ 69" Belt

1998 Peterbilt 378 Serpentine Belt
$70.74
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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;
Vehicle Fitment Notes:
w/ 69" Belt
w/ 69" Belt

1998 Peterbilt 378 Serpentine Belt
$74.71
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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

1998 Peterbilt 378 Serpentine Belt
$74.71
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1998 Peterbilt 378
Equipped With:
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;
Vehicle Fitment Notes:
w/ 71" Belt
w/ 71" Belt
1998 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1998 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);
1998 Peterbilt 378 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1998 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);