Radiator & Components for 2020 Cadillac CT4
No.
Part # / Description / Price
Price
1
Charge Air Cooler 
GM
GM Positions: Right
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
$214.32
MSRP $344.31
$214.32
2
Intercooler Bracket Bolt GM
GM Positions: Right
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: Right
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
$8.76
MSRP $10.43
$8.76
4
Auxiliary Radiator Insulator GM
GM Positions: Right
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
$8.04
MSRP $9.57
$8.04
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
$7.28
$7.28
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
$4.53
MSRP $5.30
$4.53
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
$28.73
MSRP $43.11
$28.73
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
$27.30
MSRP $40.95
$27.30
9
Lower Bracket GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator.
MSRP $54.01
$35.98
MSRP $54.01
$35.98
9
Lower Bracket GM
GM Positions: Right
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator.
MSRP $71.85
$47.87
MSRP $71.85
$47.87
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
$13.18
MSRP $17.79
$13.18
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
$13.18
MSRP $17.79
$13.18
11
OEM NEW 2007-21 GM Buick Cadillac GMC Rear Bumper Upper Impact Bar Bolt 11519388 GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.71
$8.54
MSRP $10.71
$8.54
12
Multi-Purpose Nut GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.49
$7.26
MSRP $8.49
$7.26
13
Driver Side Auxiliary Radiator Front Duct GM
GM Positions: Left
Description: 3.0L twin-turbo, auxiliary radiator. 2.7L turbo, auxiliary. Maximizes air flow through your vehicle's radiator fins, helping remove heat from the circulating coolant
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is bac ...
MSRP $51.26
$36.10
MSRP $51.26
$36.10
13
Passenger Side Auxiliary Radiator Front Duct GM
GM Positions: Right
Description: 3.0L twin-turbo, auxiliary radiator. 2.7L turbo, auxiliary. Maximizes air flow through your vehicle's radiator fins, helping remove heat from the circulating coolant
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is bac ...
MSRP $51.26
$36.10
MSRP $51.26
$36.10
14
OEM NEW 07-18 GM Buick Cadillac Chevrolet Air Deflector Lower Retainer 11589293 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
$6.12
MSRP $7.16
$6.12
15
Driver Side Auxiliary Radiator Front Outlet Duct GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. Maximizes air flow through your vehicle's radiator fins, helping remove heat from the circulating coolant
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $9.64
$8.13
MSRP $9.64
$8.13
15
Passenger Side Auxiliary Radiator Rear Duct GM
GM Positions: Right
Description: 2.7L turbo, auxiliary. Maximizes air flow through your vehicle's radiator fins, helping remove heat from the circulating coolant
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $44.65
$31.45
MSRP $44.65
$31.45
No.
Part # / Description / Price
Price
2
Driver Side Radiator Upper Bracket GM
GM Positions: Left
Description: 2.0L turbo. 2.7L turbo, main. Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $19.17
$15.02
MSRP $19.17
$15.02
2
Passenger Side Radiator Upper Bracket GM
GM Positions: Right
Description: 2.0L turbo. 2.7L turbo, main. Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $12.72
$10.72
MSRP $12.72
$10.72
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
$6.00
MSRP $7.02
$6.00
4
Radiator Upper Insulator GM
GM Positions: Left
Notes: PARTS: Part included with upper bracket.
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
$7.39
MSRP $8.79
$7.39
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
$7.08
MSRP $8.90
$7.08
6
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
$18.63
MSRP $23.88
$18.63
7
Engine Coolant Temperature Sensor GM
GM Notes: PARTS: Part included with radiator.
Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $12.94
$9.06
MSRP $12.94
$9.06
8
Front Lower Radiator Air Baffle GM
GM Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $66.67
$46.95
MSRP $66.67
$46.95
9
OEM NEW 01-18 GM Buick Cadillac Fender Shield Wheelhouse Liner Retainer 1605396 GM
GM Notes: PARTS: Part included with baffle.
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
$8.53
MSRP $10.11
$8.53
10
OEM NEW 13-20 GM Buick Cadillac GMC Head Light Fog Lamp Assembly U-Nut 11548579 GM
GM Notes: PARTS: Part included with baffle.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.60
$7.35
MSRP $8.60
$7.35
11
Lower Radiator Air Baffle GM
GM Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $53.29
$37.52
MSRP $53.29
$37.52
13
Passenger Side Radiator Air Baffle GM
GM Positions: Right
Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $41.48
$29.21
MSRP $41.48
$29.21
13
Driver Side Radiator Air Baffle GM
GM Positions: Left
Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $50.61
$35.64
MSRP $50.61
$35.64
14
OEM NEW 1985-2020 GM Cadillac Cowl Grille Retractor Cover Retainer Clip 11589290 GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.93
$4.22
MSRP $4.93
$4.22
15
Passenger Side Radiator Air Side Upper Baffle GM
GM Positions: Right
Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $22.06
$17.28
MSRP $22.06
$17.28
16
Driver Side Radiator Air Side Upper Baffle GM
GM Positions: Left
Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $22.66
$17.75
MSRP $22.66
$17.75
18
Radiator Air Front Upper Baffle GM
GM Description: 2.0L turbo. 2.7L turbo, main. Helps properly direct airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $46.23
$32.56
MSRP $46.23
$32.56
19
OEM NEW 1991-2018 GM Buick Cadillac Retainer Pushin Cowl Grille Clip 11589289 GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.82
$6.68
MSRP $7.82
$6.68
No.
Part # / Description / Price
Price
N/A
Front Bumper Shutter GM
GM Description: Factory installed, luxury, premium luxury, without adaptive cruise. Factory installed, sport, v, without adaptive cruise. Helps properly direct air flow
Helps keep your vehicle's engine operating at its optimal temperature
This GM Genuine Part is designe ...
MSRP $147.84
$97.52
MSRP $147.84
$97.52
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
$18.63
MSRP $23.88
$18.63
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
$56.97
MSRP $91.27
$56.97
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
$245.79
MSRP $452.66
$245.79
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
$23.40
MSRP $40.04
$23.40
5
By-Pass Hose GM
GM Description: Engine Cooling. Exhaust Manifold Outlet Pipe to Thermostat Housing.
MSRP $13.60
$9.52
MSRP $13.60
$9.52
5
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
$23.75
MSRP $30.45
$23.75
5
F (S)Hose GM
GM Description: Silverado, sierra. Thermostat bypass lower. Colorado. CT4. At water pump inlet. Canyon.
MSRP $30.36
$19.73
MSRP $30.36
$19.73
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
$28.11
MSRP $40.08
$28.11
8
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
$49.37
MSRP $84.47
$49.37
8
MSRP $81.38
$47.57
8
Inlet Pipe GM
GM Description: 2.7L turbo. Silverado, sierra. Thermostat housing inlet. CT4. Flow control valve inlet.
MSRP $25.69
$20.05
MSRP $25.69
$20.05
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
$58.40
MSRP $88.89
$58.40
10
Exhaust Manifold Outlet Pipe GM
GM Description: 2.7L turbo. Exhaust manifold outlet. CT4. Helps guide exhaust to the exterior of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $146.88
$96.89
MSRP $146.88
$96.89
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
$214.32
MSRP $344.31
$214.32
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
$78.34
MSRP $119.23
$78.34
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
$39.91
MSRP $56.90
$39.91
15
MSRP $339.51
$190.38
No.
Part # / Description / Price
Price
7
OEM NEW 2014-2020 GM Buick Cadillac Quarter Panel Wheelhouse Liner Bolt 11547421 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
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$7.45
MSRP $8.83
$7.45
No.
Part # / Description / Price
Price
7
OEM NEW 2014-2020 GM Buick Cadillac Quarter Panel Wheelhouse Liner Bolt 11547421 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
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$7.45
MSRP $8.83
$7.45
No.
Part # / Description / Price
Price
7
OEM NEW 2014-2020 GM Buick Cadillac Quarter Panel Wheelhouse Liner Bolt 11547421 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
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$7.45
MSRP $8.83
$7.45
No.
Part # / Description / Price
Price
10
OEM NEW 2014-2020 GM Buick Cadillac Quarter Panel Wheelhouse Liner Bolt 11547421 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
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$7.45
MSRP $8.83
$7.45