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1991, 1990, 1989, 1988, 1987 GMC R3500 Hummer Engine Water Pump
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1987 - 1991 GMC R3500 Hummer Engine Water Pump (Gates) NEW

$ 89 .02
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Water Pump (Standard)
Gates Water Pumps are recognized in the industry for their durability, superior quality and are manufactured for worry-free operations for your vehicle. Every Gates high-quality new water pump is constructed with premium alloy materials and a 100 percent functional test of seals and bearings along with a 100 percent leakage test for both the casting and assembled water pump. Get industry best and a guaranteed OE-quality fit, with Gates.
Brand: Gates
Condition: New
See Other GMC R3500 Engine Water Pumps
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Specifications & Info


Attribute Value
Fan Clutch Included No
Impeller Material Cast Iron
Impeller Rotation Standard
Includes Back Housing No
Outlet Quantity 2
Pulley Included No
Thermostat And Housing Included No
Timing Belt Driven No
Water Pump Drive Type Accessory Belt

Vehicle Fitment Guide

This part fits the following vehicles:

GMC 1 model (tapclick to expand)(tapclick to hide)
R3500 1987-1991 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
Base Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
Base Cab & Chassis 1987 - 1991 V8 5.7L RWD Automatic & Manual
Base Cab & Chassis 1987 - 1989 V8 5.7L RWD Automatic & Manual
Base Cab & Chassis 1987 - 1991 V8 6.2L DIESEL RWD Automatic & Manual
Base Cab & Chassis 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Base Cab & Chassis 1987 - 1991 V8 7.4L RWD Automatic & Manual
Base Cab & Chassis 1987 - 1989 V8 7.4L RWD Automatic & Manual
Base Crew Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
Base Crew Cab Pickup 1987 - 1991 V8 5.7L RWD Automatic & Manual
Base Crew Cab Pickup 1987 - 1991 V8 6.2L DIESEL RWD Automatic & Manual
Base Crew Cab Pickup 1987 - 1991 V8 7.4L RWD Automatic & Manual
Base Standard Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
Base Standard Cab Pickup 1987 - 1989 V8 5.7L RWD Automatic & Manual
Base Standard Cab Pickup 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Base Standard Cab Pickup 1987 - 1989 V8 7.4L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 5.7L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 5.7L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 7.4L RWD Automatic & Manual
High Sierra Cab & Chassis 1987 - 1989 V8 7.4L RWD Automatic & Manual
High Sierra Crew Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
High Sierra Crew Cab Pickup 1987 - 1989 V8 5.7L RWD Automatic & Manual
High Sierra Crew Cab Pickup 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
High Sierra Crew Cab Pickup 1987 - 1989 V8 7.4L RWD Automatic & Manual
High Sierra Standard Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
High Sierra Standard Cab Pickup 1987 - 1989 V8 5.7L RWD Automatic & Manual
High Sierra Standard Cab Pickup 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
High Sierra Standard Cab Pickup 1987 - 1989 V8 7.4L RWD Automatic & Manual
SLE Cab & Chassis 1990 - 1991 V8 5.7L RWD Automatic & Manual
SLE Cab & Chassis 1990 - 1991 V8 6.2L DIESEL RWD Automatic & Manual
SLE Cab & Chassis 1990 - 1991 V8 7.4L RWD Automatic & Manual
SLE Crew Cab Pickup 1990 - 1991 V8 5.7L RWD Automatic & Manual
SLE Crew Cab Pickup 1990 - 1991 V8 6.2L DIESEL RWD Automatic & Manual
SLE Crew Cab Pickup 1990 - 1991 V8 7.4L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1988 L6 4.8L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 5.7L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 5.7L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 7.4L RWD Automatic & Manual
Sierra Classic Cab & Chassis 1987 - 1989 V8 7.4L RWD Automatic & Manual
Sierra Classic Crew Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
Sierra Classic Crew Cab Pickup 1987 - 1989 V8 5.7L RWD Automatic & Manual
Sierra Classic Crew Cab Pickup 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Sierra Classic Crew Cab Pickup 1987 - 1989 V8 7.4L RWD Automatic & Manual
Sierra Classic Standard Cab Pickup 1987 - 1988 L6 4.8L RWD Automatic & Manual
Sierra Classic Standard Cab Pickup 1987 - 1989 V8 5.7L RWD Automatic & Manual
Sierra Classic Standard Cab Pickup 1987 - 1989 V8 6.2L DIESEL RWD Automatic & Manual
Sierra Classic Standard Cab Pickup 1987 - 1989 V8 7.4L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
Gates Water Pumps are recognized in the industry for their durability, superior quality and are manufactured for worry-free operations for your vehicle. Every Gates high-quality new water pump is constructed with premium alloy materials and a 100 percent functional test of seals and bearings along with a 100 percent leakage test for both the casting and assembled water pump. Get industry best and a guaranteed OE-quality fit, with Gates.

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Fits Years: 1987 1988 1989 1990 1991

Fits Models: R3500

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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

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