Gaskets & Sealing Systems for 2021 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
MSRP $145.44
$80.72
2
Water Pump Gasket 
GM
GM Notes: PARTS: Part included with control valve.
Description: 3.0L diesel. May be made from fiber or a rubberized composite material
MSRP $8.00
$5.12
MSRP $8.00
$5.12
2
Acdelco™ Engine Water Pump Gasket GM
GM Notes: PARTS: Part included with control valve.
Description: 3.0L diesel. Silverado, sierra. 2023-25. Suburban. Tahoe. 2020-22. Escalade ESV. Yukon XL.
3
Water Pump Bolt GM
GM Description: 2023-25, m5x.8x25. 2020-22. 2.7L turbo, rwd. 2.7L turbo, awd. 1.2L. 2.0L turbo. 5.5L. 3.0L diesel. 5x25mm. 2019.
MSRP $7.02
$5.12
MSRP $7.02
$5.12
4
Control Valve GM
GM Description: 3.0L diesel. Silverado, sierra. 2020-22. Suburban. Tahoe. Control Valve. Incl.Gasket. Escalade ESV. Yukon XL.
MSRP $322.56
MSRP $322.56
5
Engine Coolant Thermostat Housing Gasket GM
GM Notes: PARTS: Part included with control valve.
Description: Silverado, sierra. 3.0L diesel. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
MSRP $2.66
$1.70
MSRP $2.66
$1.70
6
Water Pump Inlet Pipe GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $96.69
$64.39
MSRP $96.69
$64.39
7
Radiator Outlet Pipe Seal GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.67
$5.12
MSRP $6.67
$5.12
8
Thermal Bypass Hose GM
GM Notes: PARTS: Part included with hose.
Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.13
$12.23
MSRP $17.13
$12.23
9
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with hose.
Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.77
$2.02
MSRP $2.77
$2.02
10
Thermostat Bypass Hose GM
GM Notes: PARTS: Part included with hose.
Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $68.50
$44.53
MSRP $68.50
$44.53
11
Engine Coolant Thermostat Housing Gasket GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1.62
$1.04
MSRP $1.62
$1.04
12
F (S)Hose GM
GM Description: 3.0L diesel. Silverado, sierra. 2020-22. Escalade ESV. Suburban. Tahoe. Yukon XL.
MSRP $103.72
$65.63
MSRP $103.72
$65.63
13
Engine Coolant Thermostat Housing Gasket GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.00
$5.12
MSRP $8.00
$5.12
15
Exhaust Gas Recirculation Cooler Water Bypass Outlet Hose GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.11
MSRP $17.11
17
Water Return Tube GM
GM Description: Outlet. Rpo lm2. 2020-22. Without clamp. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Return. Yukon. 3.0l diesel.
MSRP $48.07
$31.24
MSRP $48.07
$31.24
19
Thermostat Bypass Hose GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.83
$21.60
MSRP $31.83
$21.60
20
MSRP $53.14
$34.54
21
Engine Coolant Temperature Sensor GM
GM Description: Engine Cooling. Location-Coolant Pipe. Location-Engine Block. 3.0L diesel, control valve. Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $12.58
$7.80
MSRP $12.58
$7.80
22
Engine Coolant Temperature Sensor GM
GM Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $12.94
$8.02
MSRP $12.94
$8.02
No.
Part # / Description / Price
Price
1
Engine Oil Cooler Kit with Gasket GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $99.03
$65.96
MSRP $99.03
$65.96
2
Engine Oil Cooler Gasket GM
GM Notes: PARTS: Part included with oil cooler.
Description: Cooler To Adapter. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $27.56
$18.69
MSRP $27.56
$18.69
2
Engine Oil Cooler Seal GM
GM Description: Adapter To Block. Gasket. 2.0L turbo. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $0.85
$0.65
MSRP $0.85
$0.65
3
Engine Oil Cooler Coolant Inlet Hose GM
GM Description: Silverado, sierra. Inlet. Engine to t-connector. 3.0L diesel, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $15.02
$10.61
MSRP $15.02
$10.61
4
Engine Oil Cooler Coolant Inlet Hose GM
GM Description: Silverado, sierra. Inlet. T-connector to cooler. 3.0L diesel, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $13.66
$9.65
MSRP $13.66
$9.65
5
Engine Coolant Fitting GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $36.86
$23.95
MSRP $36.86
$23.95
6
By-Pass Hose GM
GM Description: Silverado, sierra. Engine code lm2. Outlet. Escalade. Suburban. Tahoe. 3.0L diesel, 2020-22. Yukon.
MSRP $106.82
MSRP $106.82
6
MSRP $77.47
$52.99
7
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.77
$2.02
MSRP $2.77
$2.02
8
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.48
$4.72
MSRP $6.48
$4.72