Based in the USA

USA

GMC OEM Water Pumps

Introduction

Water pumps are critical cooling system components responsible for circulating coolant throughout your GMC’s engine and radiator system to help maintain proper operating temperatures. By ensuring continuous coolant flow, water pumps help prevent overheating and support reliable engine cooling performance under daily driving, towing, hauling, and demanding operating conditions.

GMC water pumps are engineered for precise factory fitment, efficient coolant circulation, and dependable long-term durability. Genuine OEM water pumps are specifically designed to integrate seamlessly with your vehicle’s cooling system, radiator, thermostat, hoses, and engine components to maintain proper cooling efficiency and engine protection.

Over time, water pumps can wear out, leak, seize, or develop bearing and impeller damage due to heat cycles, pressure, coolant contamination, and continuous engine operation. A failing water pump may reduce coolant circulation, cause overheating, or lead to coolant leaks and engine damage if not addressed promptly. Replacing worn components with genuine OEM GMC water pumps helps restore proper cooling system operation, engine protection, and factory-level reliability.

Unlike many aftermarket alternatives, genuine OEM GMC water pumps are specifically designed for your vehicle’s engine configuration, cooling requirements, and factory specifications.

Benefits of GMC OEM Water Pumps

Factory-engineered for precise GMC cooling system fitment and compatibility

Provides reliable coolant circulation for proper engine cooling

Helps maintain safe operating temperatures under demanding conditions

Designed to integrate seamlessly with OEM cooling system components

Durable construction built to withstand heat, pressure, and continuous operation

Supports efficient radiator and thermostat performance

Compatible with factory hoses, pulleys, belts, and mounting hardware

Maintains original GMC engine cooling performance and reliability

When to Replace Your GMC Water Pump

Water pumps are exposed to constant coolant flow, heat cycles, pressure changes, and engine vibration during normal operation. Over time, bearings, seals, and impeller components may wear or fail.

Failing water pumps can compromise coolant circulation, increase engine temperatures, and negatively affect overall engine reliability. Replacing worn components helps maintain dependable cooling system performance and prevent overheating-related engine damage.

Common signs include:

Coolant leaks near the water pump assembly

Engine overheating or rising temperature gauge readings

Grinding, whining, or unusual noises from the pump area

Low coolant levels without visible radiator leaks

Steam or coolant odor from the engine compartment

Visible corrosion or damage on the water pump housing

Loose pulley movement or bearing play

For best results:

Replace worn water pumps with genuine OEM GMC components for factory-correct fitment and cooling performance

Inspect coolant hoses, belts, thermostat, radiator, and pulleys during service

Use the recommended coolant type and maintain proper coolant levels

Address coolant leaks or overheating symptoms early to help prevent major engine damage

Find the Right GMC Water Pumps

Your GMC’s cooling system depends on properly functioning components designed to maintain safe engine temperatures and dependable operation under demanding driving conditions. Genuine OEM GMC water pumps are engineered to provide efficient coolant circulation, long-lasting durability, and factory-level cooling performance.

Whether you are repairing coolant leaks, restoring cooling efficiency, or preventing overheating issues, genuine OEM GMC water pumps help deliver the fitment, reliability, and engine protection your vehicle was designed to provide.

VIP Promise

VIP Promise

Factory OEM parts. Verified fit. Trusted support.

Manufacturer Warranty

Full Manufacturer Warranty

Genuine parts backed by factory warranty.

Guaranteed Fit

Guaranteed Fit

Submit your VIN. We confirm fit before shipping.

Returns

30 Day Returns

30 days from delivery.

Largest OEM Catalog

Largest OEM Catalog

One of the largest OEM inventories online.

Expert Support

Expert Support

Specialists ready to help.

84141878 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

2.5L, reservoir & hoses. 2.0L, reservoir & hoses. Helps provide heat to the vehicle interior Constructed from high quality material for...
Discontinued
23406257 - : HVAC Heater Water Auxiliary Pump Hose for GM Image

HVAC Heater Water Auxiliary Pump Hose

Coolant heater & hoses. Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This...
$104.26
MSRP $178.22
Save $73.96
41.5% Off
84601787 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

4.2L twin-turbo, front section. Helps provide heat to the vehicle interior Constructed from high quality material for a long service...
$5.31
MSRP $9.08
Save $3.77
41.5% Off
23307860 - : HVAC Heater Water Auxiliary Pump Hose for GM Image

HVAC Heater Water Auxiliary Pump Hose

2016-18, front section, with hybrid, auxiliary inlet. Helps provide heat to the vehicle interior Constructed from high quality material...
$46.06
MSRP $69.07
Save $23.01
33.3% Off
84129289 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

1.6L, reservoir & hoses. Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This...
$15.27
MSRP $22.89
Save $7.62
33.3% Off
22985988 - : HVAC Heater Water Auxiliary Pump Hose for GM Image

HVAC Heater Water Auxiliary Pump Hose

Outlet. Heater Core to "T". Helps provide heat to the vehicle interior Constructed from high quality material for a long service life...
$34.23
MSRP $58.52
Save $24.29
41.5% Off
84139582 - : HVAC Heater Water Auxiliary Pump Hose for GM Image

HVAC Heater Water Auxiliary Pump Hose

2016-18, front section, with hybrid, tank to pump. Helps provide heat to the vehicle interior Constructed from high quality material...
$99.43
MSRP $149.08
Save $49.65
33.3% Off
84129290 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

Outlet. Pipe to Auxiliary Water Pump Inlet. Helps provide heat to the vehicle interior Constructed from high quality material for a long...
$10.69
MSRP $18.28
Save $7.59
41.5% Off
84220236 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

Auxiliary A/C & Heater. AuxIliary HVAC. Inlet. Front Pipe to Underbody Hose and Pipe Assy. Helps provide heat to the vehicle interior...
$34.56
MSRP $59.07
Save $24.51
41.5% Off
84220232 - : Heater Water Auxiliary Pump Inlet Hose for GM Image

Heater Water Auxiliary Pump Inlet Hose

Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This GM Genuine Part is...
$33.30
MSRP $56.92
Save $23.62
41.5% Off
12729377 - : Front Cover for GM Image

Front Cover

3.6L. XT5. XT6. CT5. 3.0L twin-turbo.
$232.79
MSRP $349.07
Save $116.28
33.3% Off
12725092 - : Outlet Pipe for GM Image

Outlet Pipe

6.6L diesel. 2017-19. Upgrade and Maintain with Precision: GM OEM Water Pump Housing to Oil Cooler Pipe When it comes to the health...
$39.63
MSRP $67.74
Save $28.11
41.5% Off

No results found for "Water Pump". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!