{
    "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
}
1991 GMC G2500
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit1991 GMC G2500 Change Vehicle

Dayco®
1991 GMC G2500 - OE Replacement Series Water Pump, New, 8/6 Cyl., 4.3/5.0/5.7L Engine, Heavy Duty

Tap image and pinch to zoom.
$38.99
Manufacturer #DP9631
Guaranteed to Fit1991 GMC G2500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1991 GMC G2500
Rally STX
8 Cyl 5.7L
Heavy Duty
1991 GMC G2500
Rally STX
8 Cyl 5.0L
Heavy Duty
1991 GMC G2500
Rally
8 Cyl 5.7L
Heavy Duty
1991 GMC G2500
Vandura
8 Cyl 5.7L
Heavy Duty
1991 GMC G2500
Vandura
8 Cyl 5.0L
Heavy Duty
1991 GMC G2500
Vandura
6 Cyl 4.3L
Heavy Duty
1991 GMC G2500
Rally
8 Cyl 5.0L
Heavy Duty
1991 GMC G2500
Rally
6 Cyl 4.3L
Heavy Duty
1991 GMC G2500
Rally STX
6 Cyl 4.3L
Heavy Duty

Highlights

Part:
Water Pump
Brand:
Dayco
Notes:
(4) Hub Hole Quantity; (6) Impeller Vane Quantity; (5) Mounting Hole Quantity; Cast Iron Housing Material; Reverse Impeller Rotation; Serpentine Belt Type
Series:
OE Replacement Series
Condition:
New
Quantity Sold:
Sold individually
Recommended Use:
OE Replacement
Gasket Included:
With Gasket
Product Fit:
Direct Fit
Warranty:
125,000-mile Dayco limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Fitnotes:
Heavy Duty

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1987 Chevrolet G10
Bonaventure
8 Cyl 5.7L
Heavy Duty
1987 Chevrolet G10
Bonaventure
8 Cyl 5.0L
Heavy Duty
1987 Chevrolet G10
Bonaventure
6 Cyl 4.3L
Heavy Duty
1987 GMC Safari
SL
6 Cyl 4.3L
Heavy Duty
1987-1988 GMC G3500
Rally Custom
8 Cyl 5.7L
Heavy Duty
Page 1 of 71 | Showing 1 - 5 of 354 results

Product Information

DAYCO OE REPLACEMENT WATER PUMP

Engineered to exceptional standards, Dayco’s OE replacement water pump is strictly designed to provide a proper fit and restore your engine's system to optimum working order. It features improved impeller designs, unitized seals and no welds forged-steel pulley for better durability and leak-free performance.

  • Made to strict requirements for proper fit and performance
  • Developed with exceptional-quality materials
  • Crafted for enduring service
  • Manufactured by drive and timing system specialists
  • Stress-free to install

Since 1905, Dayco has developed top-tier replacement parts that keep cars moving, including belts, tensioners, pulleys and other timing products.

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