{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Guaranteed to Fit1991 Peterbilt 378 Change Vehicle

Gates®
1991 Peterbilt 378 - Serpentine Belt

Tap image and pinch to zoom.
$22.99
$49.99Save: $27.00(54%)
Manufacturer #K060425HD
Guaranteed to Fit1991 Peterbilt 378 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1991 Peterbilt 378
Base
6 Cyl 14.0L
DIESEL, With 43 Belt O.C.

Highlights

Brand:
Location:
Water Pump
Fitnotes:
DIESEL, With 43 Belt O.C.

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1987-1994 Peterbilt 377
Base
6 Cyl 14.0L
DIESEL, With 43 Belt O.C.
1987-1994 Peterbilt 379
Base
6 Cyl 14.0L
DIESEL, With 43 Belt O.C.
1987-2002 Kenworth T800
Base
6 Cyl 14.0L
DIESEL, With 43 Belt O.C.
1988-1994 Peterbilt 378
Base
6 Cyl 14.0L
DIESEL, With 43 Belt O.C.
1990 WHL
WHL64
6 Cyl 14.0L
DIESEL
Page 1 of 30 | Showing 1 - 5 of 149 results

Product Information

Gates FleetRunner Micro-V Heavy Duty V-Ribbed Belt

Notes: 0.807 in. top width; 43.125 in. outside circumference

Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews