Cooling System for 2025 Cadillac CT5
1. Block Heater 
2. Thermostat Housing 
3. Fan Module 
4. Fan Module 
5. Cap 
6. ACDelcoâ„¢ Thermostat Housing 
7. Thermostat Housing 
8. Cap 
9. Cap 
10. Cap 
11. Cap 
12. Reservoir Cap 
13. Cap 
14. Reservoir Cap 
15. Reservoir Cap 
16. Reservoir Cap 
17. Reservoir Cap 
18. Reservoir Cap 
19. Reservoir Cap 
20. Reservoir Cap 
21. Reservoir Cap No.
Part # / Description / Price
Price
N/A
Engine Block Heater 
GM
GM Description: CTS. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $119.39
$75.55
MSRP $119.39
$75.55
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 $24.48
$17.63
MSRP $24.48
$17.63
N/A
MSRP $67.93
$46.46
N/A
Auxiliary Radiator Outlet Pipe GM
GM Description: Auxiliary radiator. CT5. Right. Outlet. Rwd. Allows coolant to move through your vehicle's cooling system
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.12
$20.26
MSRP $28.12
$20.26
N/A
Auxiliary Radiator Outlet Pipe GM
GM Description: Auxiliary radiator. CT5. Right. Outlet. Awd. Allows coolant to move through your vehicle's cooling system
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $67.76
$44.03
MSRP $67.76
$44.03
N/A
MSRP $89.24
$59.44
N/A
Radiator Outlet Hose GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $63.34
$43.32
MSRP $63.34
$43.32
1
Engine Radiator GM
GM Description: CT5. High temperature. 3.0L twin-turbo, main radiator.
MSRP $425.00
$279.23
MSRP $425.00
$279.23
1
Radiator GM
GM Description: Low temperature. 3.0L twin-turbo, radiator mounted. 3.6L turbo, radiator mounted. CT4. Center. CT5. 6.2L, main.
MSRP $341.67
$224.48
MSRP $341.67
$224.48
2
Radiator Inlet Hose GM
GM Description: 3.0L twin-turbo, main radiator. CT5. Helps maintain optimal temperatures
Designed to withstand high temperatures
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $60.53
$39.33
MSRP $60.53
$39.33
3
MSRP $29.95
$21.56
3
MSRP $70.43
$48.18
4
Auxiliary Radiator GM
GM Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary. CT5. Left.
MSRP $362.45
$226.23
MSRP $362.45
$226.23
4
Passenger Side Intercooler GM
GM Description: 3.0L twin-turbo, intake mounted. CT5. 3.0l. Right. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $570.37
$354.37
MSRP $570.37
$354.37
5
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
7
Thermostat Unit GM
GM Notes: Includes Thermostat & Gasket.
Description: 3.0L twin-turbo. CT5.
MSRP $90.82
$51.77
MSRP $90.82
$51.77
8
Engine Coolant Thermostat Housing Seal GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.72
$5.28
MSRP $7.72
$5.28
9
Engine Coolant Water Outlet GM
GM Notes: Includes: Water Outlet Gasket.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.64
$20.78
MSRP $34.64
$20.78
11
Water Pump Housing Gasket GM
GM Description: May be made from fiber or a rubberized composite material
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.20
$4.92
MSRP $8.20
$4.92
12
Auxiliary Pump GM
GM Description: CT5. 3.0l. 3.6L turbo, radiator mounted. CT4. 3.0L twin-turbo, radiator mounted, rwd.
MSRP $252.44
$138.21
MSRP $252.44
$138.21
12
Engine Auxiliary Water Pump GM
GM Description: CT5. 3.0l. Charge Air Cooling. 3.0L twin-turbo, radiator mounted, awd. Corvette. Generator. Battery cooling.
MSRP $263.46
$144.23
MSRP $263.46
$144.23
13
Fan Assembly GM
GM Notes: Includes: Fan Blade, Motor, & Shroud.
Description: 2.0L turbo. 2.7L turbo. 3.0L twin-turbo. CT4. CT5.
MSRP $463.98
$254.03
MSRP $463.98
$254.03