Cooling System for 2025 Cadillac CT4
No.
Part # / Description / Price
Price
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 $556.96 CAD
$333.84 CAD
MSRP $556.96 CAD
$333.84 CAD
5
By-Pass Hose GM
GM Description: Engine Cooling. Exhaust Manifold Outlet Pipe to Thermostat Housing.
MSRP $31.46 CAD
$19.28 CAD
MSRP $31.46 CAD
$19.28 CAD
5
By-Pass Hose GM
GM Description: Silverado, sierra. Water inlet elbow. To 7/29/2022. Engine Cooling. Water Pump to Inlet Pipe. CT4. To 07/28/22. Colorado. Water inlet housing. Canyon.
MSRP $47.87 CAD
$29.88 CAD
MSRP $47.87 CAD
$29.88 CAD
5
F (S)Hose GM
GM Description: Silverado, sierra. Thermostat bypass lower. Colorado. CT4. At water pump inlet. Canyon.
MSRP $14.36 CAD
$9.23 CAD
MSRP $14.36 CAD
$9.23 CAD
5
By-Pass Hose GM
GM Description: Silverado, sierra. Thermostat bypass upper. CT4. At flow control valve.
MSRP $39.91 CAD
$26.65 CAD
MSRP $39.91 CAD
$26.65 CAD
7
Expansion Tank GM
GM Description: 2.0L turbo. CT4. CT5. 2.7L turbo. 3.0L twin-turbo, main radiator. 3.6L turbo. 6.2L.
MSRP $52.11 CAD
$32.53 CAD
MSRP $52.11 CAD
$32.53 CAD
8
Outlet Pipe GM
GM Description: Silverado, sierra. Heater outlet. 2.7L turbo. CT4.
MSRP $100.47 CAD
$67.04 CAD
MSRP $100.47 CAD
$67.04 CAD
8
Inlet Pipe GM
GM Description: 2.7L turbo. Silverado, sierra. Thermostat housing inlet. CT4. Flow control valve inlet.
MSRP $87.96 CAD
$57.43 CAD
MSRP $87.96 CAD
$57.43 CAD
8
MSRP $112.43 CAD
$70.19 CAD
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 $139.91 CAD
$91.31 CAD
MSRP $139.91 CAD
$91.31 CAD
10
F Pipe GM
GM Description: Silverado, sierra. Colorado. 2.7L turbo. Exhaust manifold outlet. CT4. From 08/26/22.
MSRP $181.75 CAD
$131.77 CAD
MSRP $181.75 CAD
$131.77 CAD
11
Auxiliary Radiator GM
GM Description: CT5. Left. CT4. Outer. Auxiliary. Charge Air Cooling.
MSRP $467.79 CAD
$306.64 CAD
MSRP $467.79 CAD
$306.64 CAD
12
MSRP $209.08 CAD
$128.23 CAD
13
MSRP $679.85 CAD
$415.11 CAD
14
MSRP $99.77 CAD
$62.31 CAD
15
MSRP $525.96 CAD
$291.93 CAD
Related Parts
Part # / Description / Price
Price
By-Pass Hose GM
GM Description: Silverado, sierra. Water inlet elbow. To 7/29/2022. Engine Cooling. Water Pump to Inlet Pipe. CT4. To 07/28/22. Colorado. Water inlet housing. Canyon.
MSRP $47.87 CAD
$29.88 CAD
MSRP $47.87 CAD
$29.88 CAD
Outlet Pipe GM
GM Description: Silverado, sierra. 2.7L turbo. Outlet. Pipe to Engine Water Pump. Incl.Pipe. CT4.
MSRP $88.46 CAD
$59.03 CAD
MSRP $88.46 CAD
$59.03 CAD