Cooling System for 2021 GMC Sierra 1500
No.
Part # / Description / Price
Price
N/A
Radiator Shutter Assembly 
GM
GM Description: Sierra, silverado. Lower. Dual shutter with active shutter.
$113.14
$113.14
N/A
$215.25
N/A
Radiator Drain Petcock GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.88
$17.77
MSRP $23.88
$17.77
N/A
Inlet Pipe GM
GM Description: 2.7L turbo. Silverado, sierra. Thermostat housing inlet. CT4. Flow control valve inlet.
MSRP $25.69
$19.12
MSRP $25.69
$19.12
N/A
HVAC Heater Pipe GM
GM Description: 2.7L turbo. CT4. Heater outlet. Helps circulate coolant
Helps prevent engine overheating and damage
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $84.47
$48.52
MSRP $84.47
$48.52
N/A
Engine Block Heater GM
GM Description: Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel, engine block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $91.27
$58.79
MSRP $91.27
$58.79
2
MSRP $83.58
$56.67
3
MSRP $71.90
$49.57
4
Thermostat Bypass Hose GM
GM Description: To Thermostat. CT4. At flow control valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.04
$23.00
MSRP $40.04
$23.00
4
By-Pass Hose GM
GM Description: Engine Cooling. Exhaust Manifold Outlet Pipe to Thermostat Housing.
MSRP $13.60
$8.70
MSRP $13.60
$8.70
4
F (S)Hose GM
GM Description: Silverado, sierra. Thermostat bypass lower. Colorado. CT4. At water pump inlet. Canyon.
MSRP $30.36
$18.82
MSRP $30.36
$18.82
4
Thermal Bypass Hose GM
GM Description: CT4. At water inlet housing. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $30.45
$22.65
MSRP $30.45
$22.65
5
MSRP $60.23
$41.52
8
Radiator Surge Tank GM
GM Description: 5.3, 6.2L. Silverado, sierra. 2.7L turbo. 4.3L. Designed to maintain optimal temperatures
Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
9
Engine Coolant Air Bleed Hose GM
GM Description: 2.7L turbo. Silverado, sierra. Helps keep engine operating at optimal temperatures
Releases trapped air from the cooling system
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $44.55
$30.71
MSRP $44.55
$30.71
10
Control Valve GM
GM Description: 2.7L turbo. Coolant control valve. Silverado, sierra. Colorado. Canyon.
MSRP $350.11
$225.50
MSRP $350.11
$225.50
11
Control Valve Seal GM
GM Notes: Included With Coolant Control Valve.
Description: 2.7L turbo. Silverado, sierra.
MSRP $2.18
$1.60
MSRP $2.18
$1.60
12
Water Inlet GM
GM Description: Silverado, sierra. From 11/1/2023. From 07/29/2022. 2.7L turbo, from 11/01/2023. 2.7L turbo, 2nd design. 2.7L turbo, fm 07/29/2022. CT4.
MSRP $88.89
$60.26
MSRP $88.89
$60.26
13
Acdelcoâ„¢ Engine Coolant Water Inlet Gasket GM
GM Description: 2.7L turbo. Water Pump Inlet Pipe. Silverado, sierra.
13
Water Pump Inlet Gasket GM
GM Description: 2.7L turbo. Silverado, sierra. May be made from fiber or a rubberized composite material
MSRP $8.00
$5.16
MSRP $8.00
$5.16
14
Exhaust Manifold Outlet Pipe GM
GM Description: 2.7L turbo. Silverado, sierra. Helps guide exhaust to the exterior of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $178.47
$121.49
MSRP $178.47
$121.49
15
Exhaust Manifold Outlet Pipe Gasket GM
GM Description: Silverado, sierra. 2.7L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.09
$3.01
MSRP $4.09
$3.01
16
MSRP $339.51
$197.00
17
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: 2.7L turbo, lower. Silverado, sierra. Lower (intercooler).
MSRP $300.93
$170.03
MSRP $300.93
$170.03
18
MSRP $198.02
$134.27
No.
Part # / Description / Price
Price
5
MSRP $60.23
$41.52