Gaskets & Sealing Systems for 2016 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
Acdelco™ Engine Water Pump 
GM
GM Description: Express, savana. 6.6l diesel. Silverado, sierra. 6.6l. All models. 6.6l.
2
Water Pump O-Ring GM
GM Description: 6.6L. 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 $147.05
$88.20
MSRP $147.05
$88.20
3
Engine Coolant Thermostat Housing GM
GM Description: Silverado, sierra. 6.6l. 6.6L diesel. Repairs leaking thermostat housings
MSRP $214.62
$118.04
MSRP $214.62
$118.04
4
Engine Coolant Thermostat Housing Gasket GM
GM Description: Lower Housing. 6.6L. 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 $10.18
$6.11
MSRP $10.18
$6.11
5
Thermostat Bypass Pipe GM
GM Description: 6.6L. 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
6
Thermostat Bypass Pipe Seal GM
GM Description: Bypass Pipe to Lower Thermostat Housing. 6.6L diesel. 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
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 $4.76
$2.86
MSRP $4.76
$2.86
7
Thermostat Bypass Pipe Seal GM
GM Description: Bypass Pipe to Water Pump. 6.6L diesel. By-pass pipe,lower seal. 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 $21.90
$13.15
MSRP $21.90
$13.15
8
Engine Coolant Thermostat GM
GM Description: Silverado, sierra. 6.6l. 185 degrees. All models. 6.6l. 6.6L, front. Express, savana. 6.6l diesel. 185 degree. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $71.82
$40.94
MSRP $71.82
$40.94
8
Acdelco™ Thermostat GM
GM Description: Incl.Gasket. Silverado, sierra. 6.6l. 185 degrees. All models. 6.6l. Front. Express, savana. 6.6l diesel. 185 degree. Optional. 185 Degrees F.
8
Engine Coolant Thermostat GM
GM Description: Silverado, sierra. 6.6l. 180 degrees. All models. 6.6l. 6.6L, rear. Express, savana. 6.6l diesel. 180 degree. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $62.76
$35.77
MSRP $62.76
$35.77
8
Acdelco™ Thermostat GM
GM Description: 180 Degrees F. Silverado, sierra. 6.6l. 180 degrees. All models. 6.6l. Rear. Express, savana. 6.6l diesel. 180 degree. Incl.Gasket. Optional.
9
Engine Coolant Thermostat O-Ring GM
GM Notes: PARTS: Part included with thermostat.
Description: 6.6L diesel, 185 deg therm. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, 180 deg therm. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.66
$8.20
MSRP $13.66
$8.20
10
Engine Coolant Temperature Sensor GM
GM Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $57.58
$32.82
MSRP $57.58
$32.82
11
Engine Coolant Outlet Pipe GM
GM Description: 6.6L diesel. Houses the thermostat and allows connection between the radiator hose and the engine
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 $149.15
$82.77
MSRP $149.15
$82.77
Related Parts
Part # / Description / Price
Price
Engine Oil Filter Adapter Gasket GM
GM Description: EGR Cooling Pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.80
$6.02
MSRP $8.80
$6.02
Engine Oil Cooler Seal GM
GM Description: Oil Cooler Assy. to Relief Valve. Round Seal. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.78
$20.72
MSRP $28.78
$20.72
Engine Oil Cooler Gasket GM
GM Positions: Left
Description: Cooler to Oil Filter Adapter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.11
$9.65
MSRP $14.11
$9.65
Engine Oil Cooler Gasket GM
GM Positions: Right
Description: Cooler to Oil Filter Adapter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.20
$9.71
MSRP $14.20
$9.71
Engine Oil Cooler Gasket GM
GM Description: Oil Cooler Assy. to Block. O-Ring. Helps prevent leaks in various components of your vehicle
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 $9.96
$6.82
MSRP $9.96
$6.82
Engine Oil Cooler Seal GM
GM Description: Oil Cooler Housing to Oil Filter Adapter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $24.50
$17.64
MSRP $24.50
$17.64
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.