GMB® - Engine Coolant Water Pump

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2002 GMC Envoy
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Product Details

GMC Envoy / Envoy XL 2002, Engine Coolant Water Pump by GMB®. Material: Aluminum. Rotation: Reverse. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers, mechanical seal kits and housings. Integration of these parts through GMB experience and accumulated knowledge shall lead to total quality assurance, unsurpassed by anybody else.


Housing Material: Aluminum
Hub Height: 2.15 in
Impeller Material: Metal
Impeller Rotation: Reverse
New Or Remanufactured: New


  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements

Coverage from domestic applications to foreign, from micro automobile to truck and industrial and from outdated to future models.

Vital part required to circulate coolant around engine. Heat produced by engine combustion is absorbed by coolant which then passes through radiator to cool down before returning to engine. Water pump is situated between radiator and engine and driven by pulley through timing belt or fan belt. Water pump causes coolant to circulate. Consists of body (aluminum diecast, cast iron, aluminum gravity etc), flange(forged steel, sintered iron etc), impeller (pressed steel, cast iron, synthetic resin etc), water pump bearing and mechanical seal kit.

Its material is decided dependent upon performance level, quality as well as customer requirements and working conditions. Revolution power of crankshaft is transmitted to impeller through water pump bearing. Impeller vanes drive coolant out into circulation jacket. Vortex chamber of water pump filled with coolant is separated from water pump bearing by mechanical seal kit. A sliding seal, like mechanical seal kit, must be lubricated all the time it is moving by coolant fluid. Engulfed (lubricating) coolant evaporates out into water pump bearing side and exits through weap hole on body.

GMB® is a reliable manufacturer of premium quality cooling and engine drive systems, transmission parts, axle parts, drive line components, steering and suspension parts, and bearings. Being on the market for over seventy years, the company's products are available for both foreign and domestic applications, late and early models. The products are suitable for various vehicles from micro automobiles to trucks. GMB has achieved numerous certificates, including ISO14001, TS16949, and OHSAS 18001.

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GMB warrants its products to be free from defects in materials or workmanship for a period of 12 months or 12,000 miles. The warranty period begins on the date the product is delivered.

The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

During the warranty period, GMB will repair or replace, at no charge, a product that is defective in materials or workmanship. GMB reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

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Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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