Radiator & Components for 2025 Cadillac CT4
No.
Part # / Description / Price
Price
2
MSRP $10.14
$8.13
2
MSRP $10.14
$8.13
3
M8x1.25x50 Multi-Purpose Bolt 
GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.02
$5.44
MSRP $7.02
$5.44
4
Radiator Upper Insulator GM
GM Positions: Left
Description: 2.0L turbo. 2.7L turbo, main. 1.3l turbo. 3.6L. 1.2L. Rear cooling, without auxiliary radiator. Front cooling. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.79
$7.02
MSRP $8.79
$7.02
5
Radiator Lower Insulator GM
GM Positions: Left
Description: 2.0L turbo. Radiator & hoses. 2.7L turbo, main. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.90
$6.73
MSRP $8.90
$6.73
6
MSRP $8.10
$6.64
6
MSRP $8.10
$6.64
7
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.88
$18.77
MSRP $23.88
$18.77
10
Multi-Purpose Retainer GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.16
$5.55
MSRP $7.16
$5.55
11
MSRP $12.45
$9.98
12
Push-Pin GM
GM Notes: PARTS: Part included with lower baffle.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.93
$3.82
MSRP $4.93
$3.82
13
Driver Side Radiator Air Baffle GM
GM Positions: Left
Description: Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $53.72
$39.07
MSRP $53.72
$39.07
13
Passenger Side Radiator Air Baffle GM
GM Positions: Right
Description: Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.03
$11.24
MSRP $14.03
$11.24
15
MSRP $12.45
$9.98
16
MSRP $9.93
$7.95
17
Black Diamond Multi-Purpose Retainer GM
GM Positions: Left
Description: Used to secure multiple components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $10.11
$8.10
MSRP $10.11
$8.10
19
Push-Pin GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.82
$6.05
MSRP $7.82
$6.05
No.
Part # / Description / Price
Price
1
Charge Air Cooler GM
GM Positions: Left
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
$214.22
MSRP $344.31
$214.22
2
Intercooler Bracket Bolt GM
GM Positions: Left
Description: 2.0L turbo, auxiliary. 3.6L, auxiliary. 6.2L, auxiliary. 6.2L supercharged, auxilliary. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
3
Auxiliary Radiator Lower Insulator GM
GM Positions: Left
Notes: PARTS: Part included with upper bracket.
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $10.43
$8.33
MSRP $10.43
$8.33
4
Auxiliary Radiator Insulator GM
GM Positions: Left
Notes: PARTS: Part included with upper bracket.
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $9.57
$7.63
MSRP $9.57
$7.63
5
Nut GM
GM Positions: Left
Description: Without video display mirror. 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 2020. 2.0L turbo 2019. Split back seats. type 1. Helps align and secure various components
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
$6.60
$6.60
6
Charge Air Cooler Upper Insulator GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.30
$4.11
MSRP $5.30
$4.11
8
Driver Side Charge Air Cooler Bracket GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.95
$28.20
MSRP $40.95
$28.20
8
Passenger Side Charge Air Cooler Bracket GM
GM Positions: Right
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $43.11
$29.68
MSRP $43.11
$29.68
9
Lower Bracket GM
GM Positions: Left
Description: 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $57.00
$39.23
MSRP $57.00
$39.23
9
Lower Bracket GM
GM Positions: Right
Description: 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $69.18
$47.61
MSRP $69.18
$47.61
10
Driver Side Charge Air Cooler Bracket GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.79
$13.28
MSRP $17.79
$13.28
10
Passenger Side Charge Air Cooler Bracket GM
GM Positions: Right
Description: 2.7L turbo, auxiliary. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.79
$13.28
MSRP $17.79
$13.28
11
Multi-Purpose Bolt GM
GM Positions: Left
Description: 2.0L turbo, driver side. At4, slt, denali upper components. 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 2.7L turbo, rwd. Base, sle, elevation upper components. Coupe, 8mm. Structure & components. Convertible, m8x1.25x30. Fuel tank components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.87
$6.09
MSRP $7.87
$6.09
12
Multi-Purpose Nut GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
MSRP $16.78
$13.24
13
MSRP $16.78
$13.24
14
Multi-Purpose Retainer GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.16
$5.55
MSRP $7.16
$5.55
15
MSRP $14.62
$11.72
15
MSRP $45.87
$33.36
No.
Part # / Description / Price
Price
N/A
Auxiliary Pump GM
GM Description: CT5. 3.0l. CT4. 3.6L turbo, radiator mounted. 3.0L twin-turbo, radiator mounted, rwd.
MSRP $252.44
$144.52
MSRP $252.44
$144.52
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
$18.77
MSRP $23.88
$18.77
3
Fan Assembly GM
GM Notes: Includes:Fan Blade, Motor & Shroud.
Description: 3.6L turbo. 6.2L. CT5. CT4.
MSRP $548.98
$299.61
MSRP $548.98
$299.61
6
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
$29.04
MSRP $40.08
$29.04
9
Engine Coolant Thermostat Seal GM
GM Notes: Part Included With Thermostat Housing.
Description: Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.74
$7.13
MSRP $10.74
$7.13
10
Thermostat Housing GM
GM Notes: Includes: Thermostat & Gasket.
Description: CTS. With vsport. CT4. ATS. With v-series. Coupe, 3.6L twin-turbo. Sedan, 3.6L twin-turbo.
MSRP $218.04
$124.83
MSRP $218.04
$124.83
12
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
$214.22
MSRP $344.31
$214.22
12
Radiator GM
GM Description: Low temperature. 3.0L twin-turbo, radiator mounted. CT4. Center. 3.6L turbo, radiator mounted. CT5.
MSRP $377.61
$247.29
MSRP $377.61
$247.29
13
Radiator Coolant Hose GM
GM Description: 3.6L turbo, radiator mounted, #6. CT4. Left. Outlet. CT5. 6.2L, auxiliary. Auxiliary Radiator.
MSRP $107.49
$74.00
MSRP $107.49
$74.00
13
MSRP $72.97
$52.88
13
Radiator Coolant Hose GM
GM Description: 3.6L turbo, radiator mounted, #3. CT4. Right. Inlet. CT5. 6.2L, auxiliary. Auxiliary Radiator.
MSRP $56.41
$40.87
MSRP $56.41
$40.87
No.
Part # / Description / Price
Price
7
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
7
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
7
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
10
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors