Radiator & Components for 2025 Cadillac CT5
No.
Part # / Description / Price
Price
1
Inlet Hose
GM
GM Positions: Right
Description: CT5. Right. Inlet. 3.0L twin-turbo, auxiliary radiator.
MSRP $87.06
$57.99
MSRP $87.06
$57.99
1
Inlet Hose
GM
GM Positions: Left
Description: CT5. Left. Outlet. 3.0L twin-turbo, auxiliary radiator.
MSRP $66.28
$45.33
MSRP $66.28
$45.33
1
Auxiliary Radiator Outlet Hose
GM
GM Positions: Left
Description: Auxiliary radiator. CT5. Left. Outlet. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $59.42
$38.60
MSRP $59.42
$38.60
1
Auxiliary Radiator Inlet Hose
GM
GM Positions: Right
Description: Auxiliary radiator. CT5. Right. Inlet. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $48.56
$33.22
MSRP $48.56
$33.22
2
Radiator Outlet Hose
GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $61.79
$42.26
MSRP $61.79
$42.26
2
Auxiliary Radiator Outlet Pipe
GM
GM Positions: Right
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 $66.11
$42.96
MSRP $66.11
$42.96
2
Radiator Inlet Hose
GM
GM Description: Auxiliary radiator. CT5. Left. Inlet. 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 $22.31
$16.07
MSRP $22.31
$16.07
3
Auxiliary Radiator
GM
GM Positions: Left
Description: 3.0L twin-turbo, auxiliary radiator. CT5. Left. 6.2L, auxiliary.
MSRP $353.61
$220.71
MSRP $353.61
$220.71
3
Auxiliary Radiator
GM
GM Positions: Right
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary. CT5. Right.
MSRP $277.47
$173.22
MSRP $277.47
$173.22
3
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
$214.90
MSRP $344.31
$214.90
4
Multi-Purpose Bolt
GM
GM Positions: Left
Notes: PARTS: Part included with auxiliary radiator.
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
$5.38
MSRP $7.87
$5.38
5
Upper Bracket
GM
GM Positions: Left
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary.
$28.47
$28.47
5
Upper Bracket
GM
GM Positions: Right
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary.
$28.47
$28.47
6
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
$6.89
MSRP $9.57
$6.89
7
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
$7.51
MSRP $10.43
$7.51
8
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
$4.90
MSRP $7.16
$4.90
9
M6x16 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 $7.35
$5.03
MSRP $7.35
$5.03
10
Charge Air Cooler Upper Insulator
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 $5.30
$3.62
MSRP $5.30
$3.62
11
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
$5.82
$5.82
12
Lower Bracket
GM
GM Positions: Left
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator.
MSRP $54.01
$35.09
MSRP $54.01
$35.09
12
Lower Bracket
GM
GM Positions: Right
Description: 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator.
MSRP $71.85
$46.68
MSRP $71.85
$46.68
14
$21.59
14
$21.56
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
Inlet Hose
GM
GM Description: CT5. Left. Outlet. 3.0L twin-turbo, auxiliary radiator.
MSRP $66.28
$45.33
MSRP $66.28
$45.33
N/A
Inlet Hose
GM
GM Description: CT5. Right. Inlet. 3.0L twin-turbo, auxiliary radiator.
MSRP $87.06
$57.99
MSRP $87.06
$57.99
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 $61.79
$42.26
MSRP $61.79
$42.26
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 $66.11
$42.96
MSRP $66.11
$42.96
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 $27.44
$19.76
MSRP $27.44
$19.76
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 $116.48
$73.70
MSRP $116.48
$73.70
1
Radiator
GM
GM Description: Low temperature. 3.0L twin-turbo, radiator mounted. CT4. Center. 3.6L turbo, radiator mounted. CT5.
MSRP $377.61
$248.08
MSRP $377.61
$248.08
1
MSRP $401.62
$263.85
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
4
Auxiliary Radiator
GM
GM Description: 3.0L twin-turbo, auxiliary radiator. CT5. Left. 6.2L, auxiliary.
MSRP $353.61
$220.71
MSRP $353.61
$220.71
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 $556.46
$345.73
MSRP $556.46
$345.73
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
MSRP $88.60
$50.50
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 $7.53
$5.15
MSRP $7.53
$5.15
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
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 $8.00
$4.80
MSRP $8.00
$4.80
12
Engine Auxiliary Water Pump
GM
GM Description: CT5. 3.0l. Charge Air Cooling. 3.0L twin-turbo, radiator mounted, awd. Battery cooling. Corvette. Generator.
MSRP $257.04
$140.72
MSRP $257.04
$140.72
12
Auxiliary Pump
GM
GM Description: CT5. 3.0l. CT4. 3.6L turbo, radiator mounted. 3.0L twin-turbo, radiator mounted, rwd.
MSRP $252.44
$138.21
MSRP $252.44
$138.21
13
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
$247.83
MSRP $452.66
$247.83
No.
Part # / Description / Price
Price
2
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
$17.20
MSRP $23.88
$17.20
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
6
Multi-Purpose Insulator
GM
GM Notes: PARTS: Part included with reservoir tank.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.21
$5.92
MSRP $8.21
$5.92
8
MSRP $37.52
$25.66
9
Multi-Purpose Hose Clamp
GM
GM Description: 3.0L twin-turbo, main radiator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.57
$4.74
MSRP $6.57
$4.74
Related Parts
Part # / Description / Price
Price
Radiator Hose Clamp
GM
GM Description: 5.3, 6.2L, front. Main, front, with hd cooling. 3.0L twin-turbo, main radiator. 3.0L diesel, rear. 2.7L turbo, front. 4.3L, front. Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.55
$3.28
MSRP $4.55
$3.28
Multi-Purpose Clamp
GM
GM Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.90
$4.97
MSRP $6.90
$4.97
Radiator Mounting Stud
GM
GM Notes: PARTS: Part included with radiator.
Description: 2.5L, radiator mounting. 2.0L turbo, radiator mounting. 3.0L twin-turbo, main radiator. 1.3l turbo. 1.2L. 2.4L, engine cooling, radiator mounting. Helps attach and secure your vehicle's radiator
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 $167.76
$110.66
MSRP $167.76
$110.66
Passenger Side Charge Air Cooler Bracket
GM
GM 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
$12.17
MSRP $17.79
$12.17



















