Radiator & Components for 2025 Chevrolet Silverado 2500 HD
1. Radiator 
2. Block Heater 
3. Reservoir Cap 
4. Cap 
5. Cap 
6. Reservoir Cap 
7. Reservoir Cap 
8. Reservoir Cap 
9. Reservoir Cap 
10. Reservoir Cap 
11. Cap 
12. Reservoir Cap 
13. Reservoir Cap 
14. Reservoir Cap 
15. Reservoir Cap 
16. Reservoir Cap 
17. Reservoir Cap 
18. Cap 
19. Reservoir Cap 
20. Reservoir Cap 
21. Reservoir Cap 
22. Reservoir Cap 
23. Reservoir Cap 
24. Shutter Bolt 
25. Shutter Bolt 
26. Reservoir Cap 
27. Reservoir Cap 
28. Reservoir Cap 
29. Reservoir Cap 
30. Reservoir Cap 
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 Cap 
53. Reservoir Cap 
54. Reservoir Cap 
55. Radiator Support Air Deflector Bolt 
56. Radiator Support Air Deflector Bolt 57. Lower Baffle Bolt No.
Part # / Description / Price
Price
1
Engine Radiator 
GM
GM Description: Genuine GM OEM Engine Radiator MPN 84889155 is the factory-original cooling system component designed for select Silverado and Sierra heavy-duty trucks with 6.6L gas engines. This authentic General Motors radiator maintains optimal engine temperature and p ...
MSRP $566.67
$370.60
MSRP $566.67
$370.60
2
Passenger Side Radiator Upper Bracket GM
GM Positions: Right
Description: The Passenger Side Radiator Upper Bracket (MPN: 84082821) is a genuine GM OEM part engineered to properly position and secure your vehicle's radiator assembly. This original equipment bracket is compatible with select GM vehicles equipped with 6.6L gas and ...
MSRP $20.58
$14.78
MSRP $20.58
$14.78
2
Driver Side Radiator Upper Bracket GM
GM Positions: Left
Description: Upgrade your GM vehicle's cooling system with the Genuine OEM Driver Side Radiator Upper Bracket (MPN: 84082822), engineered by General Motors for precise radiator alignment and secure mounting. This authentic GM radiator bracket fits 6.6L gas and 6.6L die ...
MSRP $20.58
$14.78
MSRP $20.58
$14.78
2
Driver Side Radiator Lower Bracket GM
GM Positions: Left
Description: The Driver Side Radiator Lower Bracket (MPN: 84551986) is a genuine GM OEM part engineered to properly position and stabilize your vehicle's radiator assembly. This original equipment manufacturer component ensures correct alignment of your radiator mounti ...
MSRP $228.25
$150.56
MSRP $228.25
$150.56
2
Passenger Side Radiator Lower Bracket GM
GM Positions: Right
Description: The Passenger Side Radiator Lower Bracket (MPN: 84551987) is a genuine GM OEM part engineered to properly support and stabilize your vehicle's radiator assembly. This critical mounting component ensures precise radiator alignment and secure fastening on se ...
MSRP $228.25
$150.56
MSRP $228.25
$150.56
3
Radiator Upper Insulator GM
GM Positions: Left
Description: The Genuine GM OEM Radiator Upper Insulator (MPN: 84130582) is engineered to provide thermal protection and optimize cooling system performance in your heavy-duty truck. Designed for 6.6L gas and 6.6L diesel engines, this authentic General Motors part main ...
MSRP $9.01
$6.45
MSRP $9.01
$6.45
4
Radiator Lower Insulator GM
GM Positions: Left
Notes: PARTS: Part included with radiator.
Description: The Radiator Lower Insulator (MPN: 23409056) is a genuine GM OEM part engineered to protect your vehicle's cooling system and improve thermal efficiency. This authentic General Motors component is designed for select GM vehicles equipped with 6.6L gas, 2.7 ...
MSRP $8.65
$6.19
MSRP $8.65
$6.19
5
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: # SEO-Optimized Product Description
The GM OEM Radiator Drain Petcock (MPN: 22790134) is the genuine factory replacement valve that controls coolant drainage from your vehicle's radiator system. This authentic General Motors part is engineered to factory ...
MSRP $24.48
$17.51
MSRP $24.48
$17.51
6
Upper Hose GM
GM Positions: Upper
Description: # Product Description
**Paragraph:**
The GM OEM Upper Hose (MPN: 85119166) is an essential cooling system component designed for Heavy-Duty Silverado and Sierra 2500 HD and 3500 HD trucks. This genuine General Motors replacement hose maintains proper cool ...
MSRP $95.34
$63.38
MSRP $95.34
$63.38
7
Multi-Purpose Clamp GM
GM Description: The GM Multi-Purpose Clamp (MPN: 11547681) is a genuine OEM hose and component fastening solution designed for multiple GM engine applications including 6.6L gas, 3.6L, 6.2L supercharged, 1.3L turbo, and 2.0L engines. This essential clamp secures fuel line ...
MSRP $7.51
$5.38
MSRP $7.51
$5.38
8
Multi-Purpose Clamp GM
GM Description: The GM OEM Multi-Purpose Clamp (MPN: 11547371) is a genuine General Motors replacement part engineered to secure hoses and prevent fluid leaks in your vehicle's cooling and reservoir system. This authentic GM clamp is specifically designed for 2018-2020 6. ...
MSRP $18.69
$13.36
MSRP $18.69
$13.36
9
Lower Hose GM
GM Positions: Lower
Description: Genuine GM OEM Lower Hose (MPN: 85119159) is engineered for heavy-duty cooling system performance in Silverado and Sierra 2500 HD and 3500 HD trucks. This original equipment manufacturer radiator hose maintains proper coolant flow and thermal regulation in ...
MSRP $38.11
$26.05
MSRP $38.11
$26.05
10
Lower Hose Clamp GM
GM Description: # Lower Hose Clamp
Upgrade your vehicle's cooling system with the Genuine GM OEM Lower Hose Clamp (MPN: 11548976), engineered to securely fasten radiator and heater hoses on select GM vehicles. This critical hose clamp prevents coolant leaks and ensures p ...
MSRP $9.59
$6.87
MSRP $9.59
$6.87
12
Radiator Surge Tank GM
GM Description: Genuine GM OEM Radiator Surge Tank (MPN: 84630072) engineered for 6.6L gas engines in Silverado and Sierra 2500 HD and 3500 HD models. This essential coolant expansion reservoir maintains proper engine operating temperatures by managing coolant overflow an ...
MSRP $71.88
$49.13
MSRP $71.88
$49.13
13
20 P.S.I. Radiator Surge Tank Cap GM
GM Description: # 20 P.S.I. Radiator Surge Tank Cap - GM OEM Part
The Genuine GM OEM 20 P.S.I. Radiator Surge Tank Cap (MPN: 13545896) is a factory-original cooling system component designed to maintain proper coolant pressure and prevent overflow in select GM vehicles. ...
MSRP $20.14
$12.00
MSRP $20.14
$12.00
14
Hose GM
GM Description: # GM OEM Hose 85056536
The Genuine GM OEM Hose (MPN: 85056536) is a factory-original coolant or heater hose designed for heavy-duty performance in 6.6L gas-powered Silverado and Sierra trucks. This authentic General Motors replacement hose ensures proper ...
MSRP $66.52
$45.46
MSRP $66.52
$45.46
14
Hose GM
GM Description: GM part 85056538 is a genuine GM engine coolant hose used on certain GM vehicles equipped with the 6.6L gasoline V8 engine. It is part of the engine cooling system and is designed to carry coolant between cooling-system components.
Part details
GM Part ...
MSRP $77.43
$52.92
MSRP $77.43
$52.92
15
Multi-Purpose Clamp GM
GM Description: GM OEM Multi-Purpose Clamp (MPN: 90530642) is a genuine factory-engineered component designed to securely fasten and hold components in place across select GM vehicles. This authentic General Motors part meets strict OEM specifications for reliable perform ...
MSRP $12.52
$7.46
MSRP $12.52
$7.46