Cooling System for 2025 GMC Sierra 1500
1. Radiator Shutter Assembly 
2. Inlet Tube 
3. Fan & Motor 
4. Fan & Motor 
5. Cap 
6. Cap 
7. Cap 
8. Cap 
9. Reservoir Cap 
10. Cap 
11. Reservoir Cap 
12. Reservoir Cap 
13. Cap 
14. Cap 
15. Reservoir Cap 
16. Cap 
17. Cap 
18. Cap 
19. Cap 
20. Cap 
21. Cap 
22. Cap 
23. Reservoir Cap 
24. Reservoir Cap 
25. Reservoir Cap No.
Part # / Description / Price
Price
N/A
$156.49
N/A
Radiator Shutter Assembly 
GM
GM Description: GM Genuine Parts Shutter (Part Number: 86586452) is a front bumper shutter assembly supplied as an OEM replacement for exterior body applications. Use to restore original airflow control and front-end appearance. Type: Front bumper shutter assemblyFunction ...
$232.84
$232.84
N/A
$114.08
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
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
Engine Coolant Thermostat GM
GM Description: GM Genuine Parts Engine Coolant Thermostat (Part Number: 19420815) is a factory thermostat kit that regulates engine coolant flow to maintain proper operating temperature. Type: Caps (Coolant & Oil Caps) — thermostat kitFunction: Modulates coolant fl ...
MSRP $75.80
$44.30
MSRP $75.80
$44.30
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 Water Pump (Part Number: 12724894) is a replacement water pump intended for specified GM V8 applications. It circulates engine coolant to regulate engine temperature and is supplied to meet factory performance requirements. Type: Water pump assembl ...
MSRP $493.99
$268.23
MSRP $493.99
$268.23
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: 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
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 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 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
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