Water Pump & Related Components for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
Acdelco™ Engine Water Pump 
GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Silverado, sierra. 6.6l.
2
Water Pump Cover Seal GM
GM Notes: PARTS: Part included with water pump.
Description: Silverado, sierra. 6.6l. 6.6L diesel. Silverado, Sierra 2500 HD. O-ring. Silverado, Sierra 3500 HD. Made from some heat and chemical-resistant materials
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.00
$4.80
MSRP $8.00
$4.80
3
8x1.25x59.05 Front Compartment Side Rail Bolt GM
GM Description: Enhance your vehicle's structural integrity with the GM Genuine 8x1.25x59.05 Front Compartment Side Rail Bolt, part number 11562133. This high-quality bolt, engineered to exacting standards, ensures a secure fit for various front compartment applications. ...
MSRP $9.53
$5.70
MSRP $9.53
$5.70
5
Multi-Purpose Bolt GM
GM Description: 6.6L diesel. 6.6L. to block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.04
$5.42
MSRP $9.04
$5.42
7
Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $209.30
$114.59
MSRP $209.30
$114.59
7
Acdelco™ Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
8
Engine Coolant Thermostat Housing Gasket GM
GM Description: 6.6L diesel. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.16
$5.50
MSRP $9.16
$5.50
9
Engine Coolant Thermostat Housing Bolt GM
GM Description: 6.6L diesel. Threads Into Side of Bearing Cap. 8 x 1.25 x 25mm. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $10.25
$7.01
MSRP $10.25
$7.01
10
Multi-Purpose Stud GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.93
$5.42
MSRP $7.93
$5.42
11
Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.60
$1.78
MSRP $2.60
$1.78
12
By-Pass Hose GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $78.04
$44.48
MSRP $78.04
$44.48
13
By-Pass Pipe Seal GM
GM Notes: PARTS: Part included with by-pass pipe.
Description: 6.6L diesel.
MSRP $9.04
$5.42
MSRP $9.04
$5.42
14
MSRP $8.00
$4.80
15
Thermostat GM
GM Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180 degrees.
MSRP $82.56
$47.05
MSRP $82.56
$47.05
15
Acdelco™ Thermostat GM
GM Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. 180 Degrees F. Optional. Silverado, sierra. 6.6l. 180 degrees.
16
Acdelco™ Thermostat GM
GM Description: 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185 degrees. 185 Degrees F. Optional. Silverado, sierra. 6.6l. 185 degrees.
16
Engine Coolant Thermostat GM
GM Description: Silverado, sierra. 6.6l. 185 degrees. 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185 degrees. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $42.22
$24.07
MSRP $42.22
$24.07
18
Engine Coolant Thermostat O-Ring GM
GM Description: Ensure your vehicle's cooling system operates efficiently with the GM Genuine Engine Coolant Thermostat O-Ring, part number 12680544. This essential component creates a tight seal, preventing coolant leaks and maintaining optimal engine temperature. Design ...
MSRP $13.66
$8.20
MSRP $13.66
$8.20
19
Engine Coolant Temperature Sensor GM
GM Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $31.75
$19.06
MSRP $31.75
$19.06
20
Water Outlet GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $89.04
$50.75
MSRP $89.04
$50.75
22
Water Pump Outlet Pipe Gasket GM
GM Notes: PARTS: Part included with outlet pipe.
Description: Ensure a leak-free seal with the GM Genuine Water Pump Outlet Pipe Gasket, part number 12644927. This high-quality gasket is engineered to meet the rigorous standards of General Motors, guaranteeing a perfect fit and reliable performance. Designed to seal ...
MSRP $9.16
$5.50
MSRP $9.16
$5.50
23
Water Pump O-Ring GM
GM Description: Pipe to Oil Cooler. 2017-19. 6.6L diesel. Made from heat and chemical-resistant materials
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $44.09
$23.16
MSRP $44.09
$23.16
23
Acdelco™ Engine Coolant Pipe O-Ring GM
GM Description: Pipe to Oil Cooler. Outlet pipe,seal. 2017-19 6.6L diesel. 6.6L turbo diesel.