Radiator & Components for 2026 Cadillac CT5
1. Auxiliary Radiator 
2. Radiator 
3. Upper Baffle Bolt 
4. Upper Baffle Bolt 
5. Upper Baffle Bolt 
6. Upper Bracket Bolt 
7. Reservoir Cap 
8. Reservoir Cap 
9. Reservoir Cap 
10. Reservoir Cap 11. Reservoir Cap 
12. Upper Baffle Bolt 
13. Reservoir 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 
22. Reservoir Cap 
23. Reservoir Cap 
24. Reservoir Cap 
25. Reservoir Cap No.
Part # / Description / Price
Price
1
Auxiliary Radiator 
GM
GM Positions: Left
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary. CT5. Left.
MSRP $495.79 CAD
$325.00 CAD
MSRP $495.79 CAD
$325.00 CAD
1
Auxiliary Radiator GM
GM Positions: Right
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary. CT5. Right.
MSRP $390.39 CAD
$255.90 CAD
MSRP $390.39 CAD
$255.90 CAD
2
Auxiliary Cooler Stud GM
GM Positions: Left
Notes: PARTS: Part included with auxiliary radiator.
Description: 6.2L, auxiliary. 2.7L turbo, auxiliary. 2.0L turbo, auxiliary. 3.6L turbo, auxiliary. 6.2L supercharged, auxilliary.
MSRP $8.42 CAD
$5.91 CAD
MSRP $8.42 CAD
$5.91 CAD
3
Upper Bracket GM
GM Positions: Left
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary.
MSRP $54.34 CAD
$36.26 CAD
MSRP $54.34 CAD
$36.26 CAD
3
Upper Bracket GM
GM Positions: Right
Description: 3.0L twin-turbo, auxiliary radiator. 6.2L, auxiliary.
MSRP $54.34 CAD
$36.26 CAD
MSRP $54.34 CAD
$36.26 CAD
4
MSRP $12.19 CAD
$8.57 CAD
5
Upper Bracket Upper Insulator GM
GM Positions: Left
Notes: PARTS: Part included with upper bracket.
Description: 3.0L twin-turbo, auxiliary radiator. 2.7L turbo, auxiliary. 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $6.10 CAD
$4.31 CAD
MSRP $6.10 CAD
$4.31 CAD
6
Upper Bracket 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 $12.54 CAD
$8.76 CAD
MSRP $12.54 CAD
$8.76 CAD
7
Lower Bracket GM
GM Positions: Left
Description: 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $91.12 CAD
$60.79 CAD
MSRP $91.12 CAD
$60.79 CAD
7
Lower Bracket GM
GM Positions: Right
Description: 3.6L turbo, auxiliary. 6.2L, auxiliary.
MSRP $92.37 CAD
$61.64 CAD
MSRP $92.37 CAD
$61.64 CAD
8
Upper Insulator GM
GM Positions: Left
Notes: PARTS: Part included with lower bracket.
Description: 2.0L turbo. 2021-26, radiator & hoses. 1.3L turbo. Front, left side. Heater and cooler. 3.6L. 6.2L, auxiliary. 1.2L turbo. 5.5L rear cooling. 6.2L front cooling.
MSRP $8.19 CAD
$5.70 CAD
MSRP $8.19 CAD
$5.70 CAD
9
MSRP $92.05 CAD
$61.41 CAD
9
MSRP $92.05 CAD
$61.41 CAD
10
MSRP $34.68 CAD
$23.14 CAD
10
MSRP $24.29 CAD
$16.99 CAD
11
Radiator Hose GM
GM Positions: Left
Description: 6.2L, auxiliary. Auxiliary radiator. CT5. Left. Outlet.
MSRP $146.69 CAD
$91.58 CAD
MSRP $146.69 CAD
$91.58 CAD
11
MSRP $121.13 CAD
$79.06 CAD
12
MSRP $447.11 CAD
$293.09 CAD
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 $371.52 CAD
$207.12 CAD
MSRP $371.52 CAD
$207.12 CAD
13
Upper Hose GM
GM Description: 6.2L, auxiliary. Auxiliary radiator. CT5. Right. Inlet.
MSRP $77.36 CAD
$48.29 CAD
MSRP $77.36 CAD
$48.29 CAD
13
Radiator Coolant Hose GM
GM Positions: Left
Description: 3.6L turbo, radiator mounted, #6. CT4. Left. Outlet. CT5. 6.2L, auxiliary. Auxiliary Radiator.
MSRP $167.85 CAD
$102.94 CAD
MSRP $167.85 CAD
$102.94 CAD
13
Radiator Coolant Hose GM
GM Positions: Right
Description: 3.6L turbo, radiator mounted, #3. CT4. Right. Inlet. CT5. 6.2L, auxiliary. Auxiliary Radiator.
MSRP $92.20 CAD
$57.54 CAD
MSRP $92.20 CAD
$57.54 CAD
13
Water Inlet Hose GM
GM Description: Auxiliary radiator. CT5. 6.2L, auxiliary. Charge Air Cooling. Inlet. Left.
MSRP $108.43 CAD
$67.68 CAD
MSRP $108.43 CAD
$67.68 CAD
14
MSRP $11.49 CAD
$8.71 CAD
15
Water Inlet Hose Clamp GM
GM Notes: PARTS: part included with water inlet hose.
Description: 6.2L, auxiliary, aux radiator side.
MSRP $37.23 CAD
$23.24 CAD
MSRP $37.23 CAD
$23.24 CAD
