Cooling System for 2025 Cadillac CT4
No.
Part # / Description / Price
Price
N/A
Radiator Drain Petcock 
GM
GM Description: # SEO-Optimized Product Description
The GM OEM Radiator Drain Petcock (MPN: 22790134) is the genuine factory replacement valve that controls coolant drainage from your vehicle's radiator system. This authentic General Motors part is engineered to factory ...
MSRP $24.48
$17.51
MSRP $24.48
$17.51
N/A
Engine Block Heater GM
GM Description: The Genuine GM OEM Engine Block Heater (MPN: 12586687) is an essential engine warming component designed to improve cold-start performance and engine longevity across multiple GM truck and car models. This authentic General Motors part fits Chevrolet Silve ...
MSRP $93.55
$59.09
MSRP $93.55
$59.09
3
Fan Assembly GM
GM Notes: Includes:Fan Blade, Motor & Shroud.
Description: Upgrade your cooling system with the Genuine GM OEM Fan Assembly (MPN: 85080140), engineered to deliver optimal engine cooling performance across multiple turbocharged and twin-turbo platforms. This complete fan assembly includes both the fan blade and mot ...
MSRP $463.98
$254.03
MSRP $463.98
$254.03
5
By-Pass Hose GM
GM Description: Genuine GM OEM By-Pass Hose (MPN: 12730904) directs coolant flow from the water pump to the inlet pipe, maintaining optimal engine cooling system performance. This authentic General Motors water inlet component fits Chevrolet Silverado, Sierra, Colorado, a ...
MSRP $32.87
$23.51
MSRP $32.87
$23.51
5
By-Pass Hose GM
GM Description: Upgrade your vehicle's cooling system with the Genuine GM OEM By-Pass Hose (MPN: 12732417), designed to direct coolant from the exhaust manifold outlet pipe to the thermostat housing for optimal engine temperature regulation. This original equipment manufa ...
MSRP $13.60
$8.11
MSRP $13.60
$8.11
5
Hose GM
GM Description: Genuine GM OEM Thermostat Bypass Hose (MPN: 12708930) designed for water pump inlet applications on select Chevrolet and GMC trucks and vehicles. This critical cooling system component maintains proper engine temperature regulation by directing coolant flo ...
MSRP $31.12
$18.55
MSRP $31.12
$18.55
5
Thermostat Bypass Hose GM
GM Description: The GM Genuine Thermostat Bypass Hose (MPN: 12667454) is an essential cooling system component designed for the Cadillac CT4 and engineered to direct coolant flow at the flow control valve. This authentic OEM hose maintains proper engine temperature regula ...
MSRP $41.04
$23.37
MSRP $41.04
$23.37
6
20 P.S.I. Radiator Surge Tank Cap GM
GM Description: # 20 P.S.I. Radiator Surge Tank Cap - GM OEM Part
The Genuine GM OEM 20 P.S.I. Radiator Surge Tank Cap (MPN: 13545896) is a factory-original cooling system component designed to maintain proper coolant pressure and prevent overflow in select GM vehicles. ...
MSRP $20.14
$12.00
MSRP $20.14
$12.00
7
Radiator Surge Tank GM
GM Description: The Radiator Surge Tank (MPN: 23378398) is a genuine GM OEM coolant expansion reservoir engineered for 2.0L turbo, 2.7L turbo, and 3.0L twin-turbo engines in Cadillac CT4 and CT5 models. This critical cooling system component maintains proper coolant level ...
MSRP $40.08
$27.39
MSRP $40.08
$27.39
8
Outlet Pipe GM
GM Description: Genuine GM OEM Heater Outlet Pipe (MPN: 12737813) designed for Chevrolet Silverado and GMC Sierra trucks equipped with the 2.7L turbo engine and CT4 platform. This factory heater outlet pipe maintains proper coolant circulation and temperature regulation t ...
MSRP $71.72
$46.57
MSRP $71.72
$46.57
8
F (S)Pipe GM
GM Description: Genuine GM OEM F-Pipe (MPN: 12711707) designed for 2.7L turbocharged engines in select Cadillac CT4 models. This turbocharger bypass pipe routes coolant flow from the turbo directly to the water pump, ensuring optimal thermal management and engine performa ...
MSRP $83.42
$47.51
MSRP $83.42
$47.51
8
Inlet Pipe GM
GM Description: Genuine GM OEM Inlet Pipe (MPN: 12721220) designed for 2.7L turbo engines, delivering reliable coolant flow management to the thermostat housing and flow control valve assembly. This authentic General Motors component ensures proper thermal regulation acro ...
MSRP $32.69
$23.39
MSRP $32.69
$23.39
9
Water Inlet GM
GM Description: Genuine GM OEM Water Inlet (MPN: 12734311) for Silverado, Sierra, and CT4 models equipped with 2.7L turbo engines. This authentic General Motors water inlet manages coolant flow through your engine's cooling system, ensuring optimal temperature regulation ...
MSRP $91.11
$60.56
MSRP $91.11
$60.56
10
F Pipe GM
GM Description: Genuine GM OEM F Pipe exhaust manifold outlet (MPN: 12735886) for 2.7L turbo engines in Chevrolet Silverado, GMC Sierra, Chevrolet Colorado, and Cadillac CT4 models manufactured from August 26, 2022 onward. This OEM exhaust component directs gases from the ...
$89.09
$89.09
11
Charge Air Cooler GM
GM Description: The GM OEM Charge Air Cooler (MPN: 84577608) is an auxiliary intercooler designed for turbocharged and twin-turbocharged Cadillac sedans, specifically engineered for 2.7L turbo and 3.0L twin-turbo engines in CT4 and CT5 models. This genuine General Motors ...
MSRP $352.92
$220.28
MSRP $352.92
$220.28
12
Radiator Outlet Hose GM
GM Description: # Radiator Outlet Hose - GM OEM Part 84697657
The GM OEM Radiator Outlet Hose (MPN: 84697657) is engineered to manage coolant flow from the radiator in turbocharged 2.7L engines, specifically designed for Cadillac CT4 models. This genuine General Motors p ...
MSRP $122.21
$81.25
MSRP $122.21
$81.25
13
B (S)Radiator GM
GM Description: The Genuine GM OEM B(S) Radiator (MPN: 84908880) is engineered to provide efficient cooling system performance for select GM vehicles including the CT4 lineup. This factory-original radiator maintains optimal engine temperature through advanced heat dissip ...
MSRP $419.47
$275.59
MSRP $419.47
$275.59
14
Radiator Inlet Hose GM
GM Description: Upgrade your Cadillac CT4's cooling system with the Genuine GM OEM Radiator Inlet Hose (MPN: 84697651), engineered specifically for 2.7L turbo models. This authentic General Motors replacement hose delivers coolant from the engine to the radiator, maintain ...
MSRP $58.32
$39.85
MSRP $58.32
$39.85
15
Water Pump GM
GM Description: GM OEM Water Pump (MPN: 12738952) maintains optimal engine cooling performance for Chevrolet Silverado and Sierra full-size trucks, as well as Colorado and Canyon mid-size pickups. This genuine General Motors replacement water pump circulates coolant throu ...
MSRP $334.66
$188.18
MSRP $334.66
$188.18