Cooling System for 2025 Cadillac CT4
No.
Part # / Description / Price
Price
N/A
Radiator Drain Petcock 
GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.88
$17.20
MSRP $23.88
$17.20
N/A
Engine Block Heater GM
GM Description: Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel, engine block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $91.27
$57.75
MSRP $91.27
$57.75
3
Fan Assembly GM
GM Notes: Includes:Fan Blade, Motor & Shroud.
Description: 2.0L turbo. Incl.Fan Blade & Motor. CT5. CT4. 2.7L turbo. 3.0L twin-turbo.
MSRP $452.66
$248.96
MSRP $452.66
$248.96
5
By-Pass Hose GM
GM Description: Engine Cooling. Exhaust Manifold Outlet Pipe to Thermostat Housing.
MSRP $13.60
$8.16
MSRP $13.60
$8.16
5
By-Pass Hose GM
GM Description: Silverado, sierra. Water inlet elbow. From 7/29/2022. Colorado. From 07/29/22. Canyon. CT4. At water inlet housing.
MSRP $32.07
$23.09
MSRP $32.07
$23.09
5
F (S)Hose GM
GM Description: Silverado, sierra. Thermostat bypass lower. Colorado. CT4. At water pump inlet. Canyon.
MSRP $30.36
$18.22
MSRP $30.36
$18.22
5
Thermostat Bypass Hose GM
GM Description: To Thermostat. CT4. At flow control valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.04
$22.82
MSRP $40.04
$22.82
7
Radiator Surge Tank GM
GM Description: 2.0L turbo. 2.7L turbo. 3.0L twin-turbo, main radiator. CT4. CT5. Helps maintain optimal engine operating temperatures
Designed to contain excess or an expansion of coolant
When needed, helps circulate more coolant into the coolant system
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $40.08
$27.42
MSRP $40.08
$27.42
8
MSRP $69.97
$45.47
8
Inlet Pipe GM
GM Description: 2.7L turbo. Silverado, sierra. Thermostat housing inlet. CT4. Flow control valve inlet.
MSRP $25.69
$18.50
MSRP $25.69
$18.50
8
MSRP $81.38
$46.39
9
Water Inlet GM
GM Description: Silverado, sierra. From 11/1/2023. From 07/29/2022. 2.7L turbo, from 11/01/2023. 2.7L turbo, 2nd design. 2.7L turbo, fm 07/29/2022. CT4.
MSRP $88.89
$59.20
MSRP $88.89
$59.20
10
F Pipe GM
GM Description: Silverado, sierra. Colorado. 2.7L turbo. Exhaust manifold outlet. CT4. From 08/26/22.
$87.08
$87.08
11
Charge Air Cooler GM
GM Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. CT4. CT5. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $344.31
$215.89
MSRP $344.31
$215.89
12
Radiator Outlet Hose GM
GM Description: 2.7L turbo. CT4. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $119.23
$79.41
MSRP $119.23
$79.41
14
Radiator Inlet Hose GM
GM Description: 2.7L turbo. CT4. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $56.90
$38.92
MSRP $56.90
$38.92
15
MSRP $339.51
$191.77
Related Parts
Part # / Description / Price
Price
Thermal Bypass Hose GM
GM Description: CT4. At water inlet housing. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $30.45
$21.92
MSRP $30.45
$21.92
HVAC Heater Pipe GM
GM Description: 2.7L turbo. CT4. Heater outlet. Helps circulate coolant
Helps prevent engine overheating and damage
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $84.47
$48.14
MSRP $84.47
$48.14