Gaskets & Sealing Systems for 2025 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
Water Pump 
GM
GM Description: 6.6L gas. Savana 2500. Express 2500. Incl.Gaskets,Housing,Pulley,Thermostat,Thermostat Gasket and Thermostat Housing. Express 3500. Savana 3500.
2
Water Pump Gasket GM
GM Notes: PARTS: Part included with water pump.
Description: 2018-20. 5.3, 6.2L. 6.6L gas. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. May be made from fiber or a rubberized composite material
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.88
$0.46
MSRP $0.88
$0.46
2
Water Pump Gasket 
ACDelco
ACDelco Notes: PARTS: Part included with water pump.
Description: GM Genuine Parts Engine Water Pump Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets are used between the water pump housing and the engine block or another component to seal the interface b ...
Not For Sale
Not For Sale
3
M8x1.25x20 Multi-Purpose Bolt GM
GM Notes: PARTS: Part included with water pump.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $82.40
$49.20
MSRP $82.40
$49.20
4
Multi-Purpose Clip GM
GM Notes: PARTS: Part included with water pump.
Description: 2018-20. 6.6L gas. 1.6L. 2.7L turbo. 4.3L. 6.2L supercharged. Without powertrain cooling. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.74
$4.63
MSRP $7.74
$4.63
5
Generator Brace Sleeve GM
GM Notes: PARTS: Part included with water pump.
Description: 2018-20. 5.3, 6.2L. Primary, 6.6L gas. Auxiliary, 6.6L gas. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $14.46
$7.59
MSRP $14.46
$7.59
6
Engine Coolant Temperature Sensor GM
GM Notes: PARTS: Part included with water pump.
Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $31.75
$16.67
MSRP $31.75
$16.67
6
Engine Coolant Temperature Sensor ACDelco
ACDelco Notes: PARTS: Part included with water pump.
Description: ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle's original components. The engine temperature signal is used by the engine control module to adjust the air/fu ...
$14.19
$14.19
7
MSRP $35.03
$20.97
8
Engine Coolant Thermostat GM
GM Notes: PARTS: Part included with water pump.
Description: 2018-25. Silverado, sierra. Tahoe. 6.2L. Suburban. Escalade ESV. 6.6L gas. Yukon XL. Incl.Gasket.
MSRP $73.96
$38.83
MSRP $73.96
$38.83
8
Engine Coolant Thermostat Kit ACDelco
ACDelco Notes: PARTS: Part included with water pump.
Description: ACDelco GM Original Equipment Engine Coolant Thermostats control the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature, and are GM-recommended replacements for your vehicle's original co ...
$34.16
$34.16
9
9
Engine Water Pump Inlet Tube GM
GM Notes: PARTS: Part included with water pump.
Description: 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 $17.94
$9.42
MSRP $17.94
$9.42
9
Water Pump Inlet ACDelco
ACDelco Notes: PARTS: Part included with water pump.
Description: GM Genuine Parts Engine Water Pump Inlet Tubes are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
$7.76
$7.76
10
Water Inlet Seal GM
GM Notes: PARTS: Part included with water pump.
Description: Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.84
$5.69
MSRP $10.84
$5.69
10
Coolant Seal ACDelco
ACDelco Notes: PARTS: Part included with water pump.
Description: GM Genuine Parts Engine Coolant Thermostat Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help close and prevent coolant from leaking out of your vehicle's cooling system components. GM Genui ...
$5.01
$5.01
11
M6x1x30 Multi-Purpose Bolt GM
GM Notes: PARTS: Part included with water pump.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.43
$6.25
MSRP $10.43
$6.25