Cooling System for 2021 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
N/A
2014-2024 GM - 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
$57.62
MSRP $91.27
$57.62
N/A
2020-2024 GM - Radiator Shutter Assembly GM
GM Description: Silverado 2500 HD. Lower. Sierra 2500 HD. Sierra 3500 HD. Silverado 3500 HD.
$97.43
$97.43
N/A
Hose GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $64.90
$43.13
MSRP $64.90
$43.13
N/A
2011-2025 GM - 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
$16.44
MSRP $23.88
$16.44
N/A
$172.42
2
2020-2025 GM - Radiator Inlet Hose GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $93.01
$61.80
MSRP $93.01
$61.80
3
2020-2025 GM - Radiator Outlet Hose GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $37.18
$25.60
MSRP $37.18
$25.60
5
2020-2025 GM - Radiator Surge Tank GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps maintain optimal engine operating temperatures
Designed to contain excess or an expansion of coolant
When needed, helps circulate more coolant into the coolant system
6
2007-2025 GM - 187 Degrees Engine Coolant Thermostat with Seal GM
GM Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $72.25
$40.03
MSRP $72.25
$40.03
7
2007-2025 GM - Water Inlet Seal GM
GM 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
$6.50
MSRP $10.84
$6.50
8
2007-2025 GM - Engine Water Pump Inlet Tube GM
GM 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
$10.76
MSRP $17.94
$10.76
9
Water Pump GM
GM Notes: Includes Thermostat Housing.
Description: 6.6L gas. Savana 2500. Express 2500. Incl.Gaskets,Housing,Pulley,Thermostat,Thermostat Gasket and Thermostat Housing. Express 3500. Savana 3500.
MSRP $553.28
$296.70
MSRP $553.28
$296.70
10
2018-2024 GM - Water Pump Gasket GM
GM 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
$0.57
MSRP $0.88
$0.57
11
2011-2024 GM - Engine Cooling Fan Blade GM
GM Description: Silverado, sierra. 6.0l. With electric cooling. 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $194.37
$104.23
MSRP $194.37
$104.23
11
Acdelco™ Fan Blade GM
GM Description: 6.6L gas. Silverado, sierra. 6.0l. With electric cooling. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
12
Fan Blade Clutch GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Quiets noisy cooling fans with stuck fan clutches, restores fuel economy
MSRP $341.24
$182.99
MSRP $341.24
$182.99
12
Acdelco™ Engine Cooling Fan Clutch GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
13
Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Front. Upper. Silverado, Sierra 3500 HD.
MSRP $73.54
$48.87
MSRP $73.54
$48.87
13
2020-2023 GM - Engine Coolant Fan Lower Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Front. Lower. Silverado, Sierra 3500 HD.
MSRP $35.80
$24.65
MSRP $35.80
$24.65
13
2020-2025 GM - Fan Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD.
MSRP $194.08
$124.89
MSRP $194.08
$124.89