Cooling System for 2021 Chevrolet Silverado 1500
1. Expansion Plug 
2. Inlet Tube 
3. Cap 
4. Cap 
5. Cap 
6. Cap 
7. Cap 
8. Cap 
9. Cap 
10. Cap 
11. Cap 
12. Reservoir Cap 
13. Reservoir Cap 
14. Reservoir Cap 
15. Reservoir Cap 
16. Cap 
17. Cap 
18. Cap 
19. Cap 
20. Cap 
21. Cap 
22. Cap 
23. Cap 
24. Cap 
25. Cap 
26. Cap 
27. Cap 
28. Cap 
29. Cap 
30. Cap 
31. Cap 
32. Reservoir Cap 
33. Cap 
34. Cap 
35. Reservoir Cap 
36. Reservoir Cap 
37. Reservoir Cap 
38. Reservoir Cap 
39. Cap 
40. Reservoir Cap 
41. Reservoir Cap 
42. Cap 
43. Reservoir Cap 
44. Cap 
45. Cap 
46. Reservoir Cap 
47. Cap 
48. Cap 
49. Cap 
50. Reservoir Cap 
51. Reservoir Cap No.
Part # / Description / Price
Price
N/A
Radiator Drain Petcock 
GM
GM Description: GM Genuine Parts Radiator Drain Petcock (Part Number: 22790134) is an OEM radiator drain valve designed to allow controlled coolant draining for maintenance and service. Type: Radiator drain petcock / drain plugFunction: Enables controlled drainage of cool ...
MSRP $24.48
$19.09
MSRP $24.48
$19.09
N/A
Shutter GM
GM Description: With active shutter, single shutter, redesign, wt, custom, custom tb.
$205.02
$205.02
N/A
$114.08
1
Engine Radiator GM
GM Description: GM Genuine Parts Engine Radiator (Part Number: 85575815) is an OEM engine radiator assembly engineered for cooling performance and compatibility with towing/performance packages where applicable. Function: Removes heat from engine coolant and helps maintai ...
MSRP $258.33
$180.97
MSRP $258.33
$180.97
1
Engine Radiator GM
GM Description: GM Genuine Parts Engine Radiator (Part Number: 85575814) is a GM OE cooling system radiator engineered to remove heat from engine coolant and help maintain safe operating temperature. Function: Transfers heat from engine coolant to airflow to prevent overh ...
$541.95
$541.95
2
Upper Hose GM
GM Description: GM Genuine Parts Radiator Inlet Hose (Part Number: 85510485) is an OE radiator inlet hose engineered to meet factory fit and cooling system requirements for select GM trucks and SUVs. Category: GM OE Radiator PartsService Type: Heating & CoolingFunctio ...
MSRP $58.42
$40.95
MSRP $58.42
$40.95
3
Lower Hose GM
GM Description: GM Genuine Parts Radiator Outlet Hose (Part Number: 85522402) is a factory lower radiator hose that routes coolant from the radiator to the engine or thermostat housing. Type: Radiator outlet/lower hose assembly (HOSE ASM-RAD OTLT)Function: Transfers coola ...
MSRP $49.72
$34.86
MSRP $49.72
$34.86
4
Engine Block Heater GM
GM Description: GM Engine Block Heater (Part Number: 12586687) is an engine coolant/engine block heater designed to warm engine coolant and oil for easier cold starts in specific gasoline and diesel engines. Function: Heats engine coolant/engine block to improve cold-star ...
MSRP $93.55
$58.39
MSRP $93.55
$58.39
5
Inlet Tube GM
GM Description: GM Genuine Parts Inlet Tube (Part Number: 85584375) is a radiator surge-tank inlet hose used in cooling systems for models such as Silverado and Sierra. Function: Routes coolant between radiator surge tank and engine cooling system to maintain proper coola ...
MSRP $61.73
$43.29
MSRP $61.73
$43.29
6
Outlet Tube GM
GM Description: GM Genuine Parts Radiator Surge Tank Outlet Hose (Part Number: 85510477) is an OE coolant hose engineered to connect the radiator surge tank outlet to the cooling system with proper routing and sealing. Function: Carries coolant from the surge tank outlet ...
MSRP $87.86
$57.72
MSRP $87.86
$57.72
8
Radiator Surge Tank GM
GM Description: GM Genuine Parts Radiator Surge Tank (Part Number: 84632822) is a coolant expansion/reservoir tank that stores and returns heated coolant as pressures change within the cooling system. Designed and tested to OEM standards. Function: Stores excess heated co ...
MSRP $48.19
$39.93
MSRP $48.19
$39.93
9
Engine Coolant Overflow Hose GM
GM Description: GM Genuine Parts Engine Coolant Overflow Hose (Part Number: 85584379) is an OE coolant overflow hose designed for engine cooling system routing. Produced to meet GM fit and heat/chemical resistance standards for the specified engine application. Type: Engi ...
MSRP $46.83
$32.83
MSRP $46.83
$32.83
10
187 Degrees Engine Coolant Thermostat with Seal GM
GM Description: GM Genuine Parts 187 Degrees Engine Coolant Thermostat with Seal (Part Number: 89018168) is a thermostat kit that regulates coolant flow to help the engine reach and maintain optimal operating temperature. Also known as: Engine Coolant Thermostat|15231Func ...
MSRP $74.05
$43.29
MSRP $74.05
$43.29
11
Engine Water Pump Inlet Tube GM
GM Description: GM Genuine Parts Engine Water Pump Inlet Tube (Part Number: 12587395) is a coolant inlet tube that interfaces with the engine water pump to route coolant into the pump. Function: Provides coolant routing to the engine water pump inlet for proper cooling sy ...
MSRP $18.38
$12.86
MSRP $18.38
$12.86
12
Water Inlet Seal GM
GM Description: GM Genuine Parts Water Inlet Seal (Part Number: 12587397) is an OE seal used at coolant inlet points to prevent coolant leakage and maintain the cooling system's integrity. It helps preserve proper engine temperature control by preventing coolant loss. Typ ...
MSRP $11.12
$7.77
MSRP $11.12
$7.77
13
Water Pump GM
GM Description: ACDelco Pump (Part Number: 12724892) is a water pump assembly for engine cooling systems, supplied with related gaskets and hardware where specified. Designed to circulate coolant and support engine cooling. Function: Circulates engine coolant to help main ...
MSRP $416.40
$230.68
MSRP $416.40
$230.68
14
Water Pump Gasket GM
GM Description: ACDelco Water Pump Gasket (Part Number: 12682391) is an OE-grade sealing gasket for water pump assemblies that helps prevent coolant leaks and maintain proper coolant flow. Function: Provides a fluid-tight seal between the water pump and engine housing to ...
MSRP $0.88
$0.66
MSRP $0.88
$0.66
15
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: GM Genuine Parts Passenger Side Engine Cooling Fan Motor (Part Number: 86777555) is a factory cooling fan motor assembly intended to drive the engine cooling fan. Function: Drives cooling fan(s) to maintain appropriate engine coolant temperaturesApplicatio ...
MSRP $410.94
$223.13
MSRP $410.94
$223.13
15
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: GM Genuine Parts Motor (Part Number: 85654566) is an engine cooling fan motor assembly intended to drive the cooling fan for engine thermal management. Built to OE expectations for reliability and fitment in HVAC/cooling systems.Type: Engine cooling fan mo ...
MSRP $278.24
$151.62
MSRP $278.24
$151.62
15
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: GM Genuine Parts Driver Side Engine Cooling Fan Motor (Part Number: 86777556) is an engine cooling fan motor that circulates air through the radiator and A/C condenser. Function: Powers the engine cooling fan to move air across the radiator and condenser f ...
MSRP $431.50
$234.29
MSRP $431.50
$234.29
15
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: 5.3, 6.2L, with enhanced towing. Silverado, sierra. Tahoe. Suburban. With heavy duty cooling. Right. Yukon XL. Incl.Fan Blade. Towing Package.
MSRP $260.61
$142.03
MSRP $260.61
$142.03
16
Engine Cooling Fan Shroud GM
GM Description: GM Genuine Parts Engine Cooling Fan Shroud (Part Number: 84120130) is a GM Genuine radiator fan shroud designed to house cooling fans and help regulate engine temperature by optimizing airflow. Function: Directs airflow through the radiator and improves co ...
MSRP $176.50
$115.42
MSRP $176.50
$115.42