Cooling System for 2025 GMC Terrain
No.
Part # / Description / Price
Price
N/A
Radiator Drain Petcock 
GM
GM Description: GM Genuine Parts Radiator Drain Petcock (Part Number: 22985584) is a radiator drain cock designed for controlled coolant draining during service. Manufactured to GM Genuine Parts standards for durability and leak resistance in cooling systems. Type: Radiat ...
MSRP $8.90
$7.47
MSRP $8.90
$7.47
N/A
Water Outlet GM
GM Description: GM Genuine Parts Water Outlet (Part Number: 12707589) is a thermostat housing / coolant outlet assembly manufactured to GM OE specification for fit, form, and function to ensure proper cooling system operation. Function: Routes coolant from the engine to t ...
MSRP $93.39
$54.58
MSRP $93.39
$54.58
N/A
Thermal Bypass Pipe with Gasket, Hoses, Clamps, Retainers, and Bolts GM
GM Description: GM Genuine Parts Thermal Bypass Pipe with Gasket, Hoses, Clamps, Retainers, and Bolts (Part Number: 12667458) is a thermal bypass pipe assembly used in engine cooling and heating systems to control coolant flow and temperature. Type: Air Conditioning Parts ...
MSRP $69.68
$40.72
MSRP $69.68
$40.72
N/A
Thermal Bypass Hose GM
GM Description: GM Genuine Parts Thermal Bypass Hose (Part Number: 12649871) is a coolant bypass hose used in thermal control circuits to route coolant around the thermostat during warm-up or specific operating conditions. Intended for specified turbocharged applications. ...
MSRP $20.59
$16.05
MSRP $20.59
$16.05
N/A
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
1
Fan Module GM
GM Notes: Includes: Cooling Fan Blade, Motor & Shroud.
Description: GM Genuine Parts Fan (Part Number: 85109720) is an engine compartment fan assembly referenced as FAN ASM-ENG CLR in master description. Function: Engine cooling fan used in the engine cooling system to move air through radiator/condensers.Notes: Specific m ...
MSRP $361.18
$192.39
MSRP $361.18
$192.39
3
Radiator Surge Tank GM
GM Description: GM Genuine Parts Radiator Surge Tank (Part Number: 23386455) is a radiator surge/overflow tank assembled to GM OE standards for coolant containment and recovery. Function: Collects and stores excess coolant and returns it to the cooling system as temperatu ...
MSRP $73.62
$51.62
MSRP $73.62
$51.62
4
Engine Coolant Thermostat and Housing Assembly GM
GM Description: GM Genuine Parts Housing (Part Number: 25205818) is a housing assembly for engine cooling thermostat or blower components as listed by the OEM. Manufactured to factory tolerances to ensure proper integration with HVAC/cooling systems. Function: Housing ass ...
MSRP $218.16
$118.89
MSRP $218.16
$118.89
5
Engine Coolant Thermostat Housing Gasket GM
GM Description: GM Engine Coolant Thermostat Housing Gasket (Part Number: 12649163) is a gasket that seals the thermostat housing to the engine to help prevent coolant leakage where the thermostat assembly mounts. Type: Thermostat housing gasketFunction: Seals the gap bet ...
MSRP $9.28
$6.94
MSRP $9.28
$6.94
6
MSRP $40.55
$28.43
7
MSRP $166.67
$109.49
8
$125.34
8
$125.34
9
MSRP $53.19
$37.29
10
MSRP $49.28
$28.79
11
Water Pump Gasket GM
GM Description: ACDelco Water Pump Gasket (Part Number: 12635751) is a factory-style gasket that seals the joint between the water pump housing and engine to help prevent coolant leaks. Type: Water pump gasket (with pump)Function: Seals water-pump-to-housing interface to ...
MSRP $9.25
$6.94
MSRP $9.25
$6.94
12
Water Pump Housing GM
GM Description: GM Genuine Parts Water Pump Housing (Part Number: 25204308) is an OEM water pump housing assembly designed to mount and enclose the water pump and associated pulley/seal hardware per factory specifications. Function: Houses the water pump, aligns pulley an ...
MSRP $155.76
$102.32
MSRP $155.76
$102.32
13
Water Pump Assembly GM
GM Description: ACDelco Pump (Part Number: 25205820) is a water pump assembly that circulates coolant through the engine and cooling system to regulate operating temperature. Function: Circulates engine coolant to maintain correct engine temperatureApplications: Common OE ...
MSRP $348.60
$190.33
MSRP $348.60
$190.33