1989 Peterbilt 378 V-Belts
Save up to 40% on original replacement 1989 Peterbilt 378 V-Belts. Navigate our online catalogue to find V-Belts and other parts designed specifically to fit a 1989 Peterbilt 378.
V-Belts
Call for Pricing
Out of Stock
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 Manufacturer: Detroit Diesel;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Manufacturer: Detroit Diesel;
Vehicle Fitment Notes:
W/ 31" Belt; Alternator
W/ 31" Belt; Alternator