Cooling System for 2025 GMC Sierra 1500
No.
Part # / Description / Price
Price
N/A
By-Pass Pipe 
GM
GM Description: Silverado, sierra. Valve to egr cooler. 2023-26. 3.0L diesel. By-pass pipe.
MSRP $27.57
$21.49
MSRP $27.57
$21.49
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
MSRP $9.30
$7.80
N/A
By-Pass Hose Elbow GM
GM Description: Silverado, sierra. Thermostat bypass. 30 deg elbow. 3.0L diesel, 2023-26.
MSRP $10.25
$8.60
MSRP $10.25
$8.60
N/A
Inlet Hose GM
GM Description: Silverado, sierra. Thermostat bypass. 530mm. 3.0L diesel low pressure. Inlet hose.
$63.06
$63.06
N/A
By-Pass Hose GM
GM Description: Silverado, sierra. Egr bypass outlet. Engine Cooling. Thermostat Housing to Pipe. 2023-26. 3.0L diesel. By-pass hose.
MSRP $12.18
$8.52
MSRP $12.18
$8.52
N/A
Water Pump Gasket GM
GM Description: ACDelco Water Pump Gasket (Part Number: 55490545) is a gasket used to seal the water pump to the engine block on specified diesel applications. Application: Documented for 3.0L diesel engines; seals water pump housing to help prevent coolant leaks.Material ...
MSRP $3.84
$2.87
MSRP $3.84
$2.87
N/A
Thermostat Bypass Hose GM
GM Description: GM Genuine Parts Thermostat Bypass Hose (Part Number: 55492656) is an OE coolant bypass hose used in engine cooling circuits to route coolant when thermostat is closed. Built to GM quality standards for fit and heat resistance. Type: Air Conditioning Parts ...
MSRP $70.22
$51.57
MSRP $70.22
$51.57
N/A
Thermal 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 $17.13
$13.35
MSRP $17.13
$13.35
N/A
$114.08
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
$156.49
N/A
Acdelco™ Engine Water Pump Gasket GM
GM Description: 3.0L diesel. Silverado, sierra. 2023-25. Suburban. Tahoe. 2020-22. Escalade ESV. Yukon XL.
1
Engine Auxiliary Radiator GM
GM Description: GM Genuine Parts Engine Auxiliary Radiator (Part Number: 84693040) is an OEM auxiliary radiator supplying supplemental cooling capacity for turbo/diesel applications. Function: Provides extra cooling capacity to manage engine temperatures in applications t ...
MSRP $515.86
$336.12
MSRP $515.86
$336.12
1
Radiator GM
GM Description: GM Genuine Parts W (S)Radiator (Part Number: 85519032) is an engine radiator assembly intended for engine cooling and heat exchange in OE configurations. Function: Exchanges heat from coolant to ambient air to help maintain optimal engine temperature (RADI ...
$377.39
$377.39
1
Engine Radiator GM
GM Description: GM Genuine Parts Engine Radiator (Part Number: 86785339) is an OE radiator assembly designed for engine cooling and heat exchange to help maintain proper operating temperatures in heavy-duty and diesel applications. Type: GM OE Radiator Parts - Radiator As ...
$477.84
$477.84
2
Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. Escalade ESV. Yukon XL. 2023-26. Engine Cooling.
MSRP $98.31
$64.58
MSRP $98.31
$64.58
3
Lower Hose GM
GM Description: GM Genuine Parts Radiator Outlet Hose Assembly (Part Number: 85510542) is a radiator outlet hose built to OE cooling system specifications to route coolant between engine and radiator components. Type: Radiator outlet (lower) hose assemblyFunction: Transpo ...
$86.59
$86.59
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
Radiator Surge Tank GM
GM Description: GM Genuine Parts Radiator Surge Tank (Part Number: 84645616) is a coolant recovery/reservoir tank engineered to store and return coolant to the system as pressures and temperatures change. Function: Stores excess heated coolant during pressure rise and rei ...
MSRP $38.57
$27.04
MSRP $38.57
$27.04
6
Engine Coolant Thermostat Kit GM
GM Description: Suburban. Tahoe. Yukon. Control Valve. Incl.Gasket. 2023-26 3.0L diesel.
MSRP $186.18
$115.66
MSRP $186.18
$115.66
7
Engine Coolant Thermostat Housing Gasket GM
GM Description: GM Genuine Parts Engine Coolant Thermostat Housing Gasket (Part Number: 55496127) is a thermostat housing gasket that helps seal the junction between the thermostat housing and the engine block to prevent coolant leakage. Intended for specific Silverado/Si ...
MSRP $1.72
$1.28
MSRP $1.72
$1.28
8
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
$63.51
MSRP $96.69
$63.51
9
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
$5.99
MSRP $6.67
$5.99
12
Water Pump GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. 2023-26. Yukon XL. Incl.Gasket & Pulley.
$498.90
$498.90
13
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
13
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: GM Genuine Parts Passenger Side Engine Cooling Fan Motor (Part Number: 86778037) is an OEM engine cooling fan motor assembly that includes the fan blade and is specified for upper/right side applications on certain GM trucks and SUVs. Type: Engine cooling ...
MSRP $292.80
$159.57
MSRP $292.80
$159.57
13
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: GM Genuine Parts Engine Cooling Fan Motor (Part Number: 86778039) is an OEM cooling fan motor assembly for lower radiator fan applications on select GM trucks and SUVs. Type: Engine cooling fan motor assembly (lower)Function: Drives fan blade to move cooli ...
MSRP $395.52
$215.94
MSRP $395.52
$215.94
14
Engine Coolant Fan Rear Shroud GM
GM Description: GM Genuine Parts Engine Coolant Fan Rear Shroud (Part Number: 84203930) is a radiator/cooling assembly shroud that houses cooling fans and helps optimize airflow to regulate engine operating temperature. Function: Supports and positions cooling fans and di ...
MSRP $139.24
$91.47
MSRP $139.24
$91.47