Radiator & Components for 2026 Chevrolet Corvette
1. Outer Radiator 
2. Auxiliary Radiator 
3. Center Radiator 
4. Air Inlet Duct 
5. Rear 
6. Reservoir Cap 
7. Reservoir Cap 
8. Reservoir Cap 
9. Reservoir Cap 
10. Reservoir Cap 
11. Cap 
12. Reservoir Cap 
13. Cap 
14. Reservoir Cap 
15. 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 
26. Reservoir Cap 
27. Cap 
28. Reservoir Cap 
29. Shutter Bolt 
30. Shutter Bolt 
31. Reservoir Cap 
32. Reservoir Cap 
33. Reservoir Cap 
34. Reservoir Cap 
35. Reservoir Cap 
36. Reservoir Cap 
37. Reservoir Cap 
38. Reservoir Cap 
39. Reservoir Cap 
40. Reservoir Cap 
41. Reservoir Cap 
42. Reservoir Cap 
43. Reservoir Cap 
44. Reservoir Cap 
45. Reservoir Cap 
46. Reservoir Cap 
47. Reservoir Cap 
48. Reservoir Cap 
49. Reservoir Cap 
50. Reservoir Cap 
51. Reservoir Cap 
52. Reservoir Hose Clamp 
53. Reservoir Hose Clamp 
54. Reservoir Cap 
55. Reservoir Cap 
56. Reservoir Hose Clamp 
57. Reservoir Cap 
58. Reservoir Cap 
59. Reservoir Cap 
60. Reservoir Cap 
61. Radiator Support Air Deflector Bolt 
62. Radiator Support Air Deflector Bolt 63. Center Radiator Bolt No.
Part # / Description / Price
Price
1
Engine Auxiliary Radiator 
GM
GM Description: GM Genuine Parts Engine Auxiliary Radiator (Part Number: 23429489) is an auxiliary radiator designed to assist engine cooling by providing additional heat rejection capacity. Constructed with corrosion-resistant core design for long-term durability. Catego ...
MSRP $350.00
$229.95
MSRP $350.00
$229.95
1
Outer Radiator GM
GM Positions: Left
Description: GM Genuine Parts Driver Side Engine Radiator (Part Number: 85559347) is an OE radiator assembly engineered to provide engine cooling and replace factory radiator components to maintain proper thermal control. Function: Core radiator assembly to dissipate e ...
MSRP $400.00
$262.80
MSRP $400.00
$262.80
1
Outer Radiator GM
GM Positions: Right
Description: GM Genuine Parts Passenger Side Engine Radiator (Part Number: 85559349) is an OEM radiator assembly designed for front cooling systems and specified vehicle packages to provide engine heat rejection and coolant flow. Function: Core cooling assembly that di ...
MSRP $325.00
$213.53
MSRP $325.00
$213.53
2
Radiator Insulator GM
GM Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Insulator (Part Number: 89019152) is an OE radiator upper insulator that helps isolate and mount the radiator assembly. Type: GM OE Radiator PartsFunction: Provides mounting support and thermal isolation for the radiatorBenefit: R ...
MSRP $14.18
$10.20
MSRP $14.18
$10.20
2
Radiator Upper Insulator GM
GM Positions: Upper
Description: GM Genuine Parts Radiator Upper Insulator (Part Number: 23182177) is a radiator mounting insulator designed to support the radiator while helping reduce vibration and noise. Function: Provides an upper mount cushion and insulates radiator assembly from cha ...
MSRP $9.01
$6.49
MSRP $9.01
$6.49
2
Radiator Lower Insulator GM
GM Positions: Lower
Description: GM Genuine Parts Radiator Lower Insulator (Part Number: 84321978) is a lower insulator pad for the radiator assembly and auxiliary radiator installations. Designed to support and insulate the radiator from chassis contact while aiding vibration and thermal ...
MSRP $8.67
$6.23
MSRP $8.67
$6.23
2
Outer Radiator Upper Insulator GM
GM Positions: Upper
Description: 5.5L front cooling, outer.
MSRP $7.30
$5.26
MSRP $7.30
$5.26
3
Center Radiator Plug GM
GM Notes: PARTS: Part included with radiator.
Description: Front cooling, center.
MSRP $8.77
$6.31
MSRP $8.77
$6.31
4
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Drain Petcock (Part Number: 22790134) is an OEM radiator drain valve designed to allow controlled coolant draining for maintenance and service. Type: Radiator drain petcock / drain plugFunction: Enables controlled drainage of cool ...
MSRP $24.48
$17.63
MSRP $24.48
$17.63
5
Driver Side Auxiliary Radiator Rear Duct GM
GM Positions: Front left rearward
Description: GM Genuine Parts Driver Side Auxiliary Radiator Rear Duct (Part Number: 84225439) is an auxiliary radiator air duct (DUCT-AUX RAD RR) that maximizes airflow through radiator fins to improve coolant heat rejection. Designed to OE collision repair standards ...
MSRP $63.56
$43.65
MSRP $63.56
$43.65
5
Passenger Side Auxiliary Radiator Rear Duct GM
GM Positions: Front right rearward
Description: GM Genuine Parts Passenger Side Auxiliary Radiator Rear Duct (Part Number: 84225440) is a rear duct that maximizes airflow through radiator fins to aid coolant heat rejection and maintain cooling efficiency. Factory part for collision repair and cooling sy ...
MSRP $68.34
$46.93
MSRP $68.34
$46.93
5
Outlet Duct GM
GM Positions: Front left forward
Description: GM Genuine Parts Outlet Duct (Part Number: 84756560) is a factory auxiliary radiator outlet duct used to route airflow for cooling or aerodynamic management. Function: Directs airflow to or from radiator and auxiliary cooling areas to support thermal manag ...
MSRP $40.55
$27.85
MSRP $40.55
$27.85
5
Outlet Duct GM
GM Positions: Front right forward
Description: GM Genuine Parts Outlet Duct (Part Number: 84756562) is a factory auxiliary radiator outlet duct used to help direct airflow for cooling and thermal management. Function: Routes airflow to support radiator cooling performance, noted for use with specific p ...
MSRP $46.26
$31.77
MSRP $46.26
$31.77
6
Lower Hose GM
GM Positions: Right
Description: Corvette. Primary radiators. Upper. Without turbo. 5.5L front cooling, center.
MSRP $63.61
$43.50
MSRP $63.61
$43.50
7
Lower Hose GM
GM Positions: Left
Description: Corvette. Primary radiators. Main radiator. Inlet. With hybrid. Lower. Without turbo. 5.5L front cooling, center.
MSRP $60.57
$41.43
MSRP $60.57
$41.43