Radiator & Components for 2025 GMC Sierra 2500 HD
1. ACDelcoâ„¢ Radiator 
2. Auxiliary Radiator 
3. Block Heater 
4. Lower Baffle Bolt 
5. Lower Baffle Bolt 
6. Inlet Hose 
7. Insulator 
8. Cap 
9. Cap 
10. Reservoir Cap 
11. Reservoir Cap 
12. Cap 
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. Cap 
23. Reservoir Cap 
24. Shutter Bolt 
25. Shutter Bolt 
26. Reservoir Cap 
27. Reservoir Cap 
28. Lower Shutter Bolt 
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. Lower Baffle Bolt No.
Part # / Description / Price
Price
1
Engine Auxiliary Radiator 
GM
GM Description: GM Genuine Parts Engine Auxiliary Radiator (Part Number: 84098260) is an OE auxiliary radiator designed for fuel cooling and supplemental engine cooling on heavy-duty diesel applications. Type: Auxiliary radiator assemblyApplications: Specified for 6.6L di ...
MSRP $316.67
$207.47
MSRP $316.67
$207.47
1
Engine Radiator GM
GM Description: GM Genuine Parts Engine Radiator (Part Number: 85610318) is a factory radiator assembly designed for heavy-duty Silverado and Sierra 2500/3500 HD diesel applications. It is engineered to manage engine coolant flow and heat rejection for heavy-duty engine c ...
MSRP $879.94
$569.14
MSRP $879.94
$569.14
2
Passenger Side Radiator Upper Bracket GM
GM Positions: Right
Description: GM Genuine Parts Passenger Side Radiator Upper Bracket (Part Number: 84082821) is a GM Genuine radiator bracket or insulator designed to align and secure the radiator mount while maintaining OEM alignment and support for the cooling system. Type: Exterior ...
MSRP $20.58
$16.11
MSRP $20.58
$16.11
2
Driver Side Radiator Upper Bracket GM
GM Positions: Left
Description: GM Genuine Parts Driver Side Radiator Upper Bracket (Part Number: 84082822) is an OEM radiator upper insulator/bracket for heavy-duty engine applications to secure the radiator mount. Type: Radiator upper bracket / insulatorFunction: Aligns and secures the ...
MSRP $20.58
$16.11
MSRP $20.58
$16.11
2
Passenger Side Radiator Lower Bracket GM
GM Positions: Right
Description: GM Genuine Parts Passenger Side Radiator Lower Bracket (Part Number: 84551987) is an OEM bracket designed to align and secure the radiator mounting to the vehicle structure. Function: Provides secure mounting support for the radiator and helps maintain cor ...
MSRP $228.25
$149.87
MSRP $228.25
$149.87
3
Radiator Upper Insulator GM
GM Positions: Left
Description: GM Genuine Parts Radiator Upper Insulator (Part Number: 84130582) is an upper radiator insulator for cross bar support on certain 6.6L engines that helps isolate and protect the radiator assembly. Function: Provides thermal and vibration isolation for the ...
MSRP $9.01
$7.56
MSRP $9.01
$7.56
4
Radiator Lower Mount GM
GM Positions: Left
Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Lower Mount (Part Number: 19130029) is an OEM mount designed to secure the lower portion of the radiator and absorb vibration. Function: Supports and locates the radiator while isolating vibration from the chassis.Durability: Engi ...
MSRP $9.01
$7.56
MSRP $9.01
$7.56
5
Radiator Insulator GM
GM Positions: Left
Notes: PARTS: Part included with radiator.
Description: 6.6L diesel, engine cooling, lower.
MSRP $16.56
$13.91
MSRP $16.56
$13.91
6
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
$19.09
MSRP $24.48
$19.09
9
Radiator Inlet Hose Clamp GM
GM Description: 6.6L diesel, engine cooling, rear. Easy to install or remove
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.42
$24.13
MSRP $34.42
$24.13
11
Radiator Hose Clamp GM
GM Notes: PARTS: Part included with lower hose.
Description: 2.8L. Easy to install or remove
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.70
$7.30
MSRP $8.70
$7.30
12
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with lower hose.
Description: GM Genuine Parts Multi-Purpose Clamp (Part Number: 11570871) is a service clamp used to retain hoses and lines in engine and cooling applications. Function: Hose retaining clamp for use on oil cooler, coolant, or other service connections as specified by f ...
MSRP $6.64
$5.66
MSRP $6.64
$5.66
13
Expansion Tank GM
GM Description: Silverado, Sierra 2500 HD. 6.6L diesel, engine cooling. Silverado, Sierra 3500 HD.
MSRP $98.07
$64.43
MSRP $98.07
$64.43
15
MSRP $24.80
$19.33
16
Multi-Purpose Clamp GM
GM Description: GM Genuine Parts Multi-Purpose Clamp (Part Number: 90530642) is a throttle body / heater outlet inlet hose clamp designed to secure hoses in emissions and HVAC systems. Category: Emission Control PartsFunction: Provides secure hose clamping to prevent leak ...
$36.58
$36.58
16
Multi-Purpose Clamp GM
GM Description: 6.6L diesel, engine cooling, large. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.14
$6.10
MSRP $7.14
$6.10
18
Engine Coolant Air Bleed Pipe GM
GM Description: GM Genuine Parts Engine Coolant Air Bleed Pipe (Part Number: 12695930) is an engine-cooling vent tube that helps evacuate trapped air from the coolant system to improve coolant circulation and reduce hot spots. Function: Provides controlled venting of air ...
MSRP $26.42
$19.57
MSRP $26.42
$19.57
20
Outlet Hose GM
GM Description: GM Genuine Parts Radiator Surge Tank Outlet Hose (Part Number: 85119168) is a coolant hose connecting the surge tank (expansion tank) outlet to the cooling system. Type: GM OE Radiator Parts — surge tank outlet hoseFunction: Carries coolant from the surg ...
MSRP $149.95
$98.51
MSRP $149.95
$98.51
20
Outlet Hose GM
GM Positions: Right
Description: 6.6L diesel, fuel cooling. Silverado, Sierra 2500 HD. Outlet. Silverado, Sierra 3500 HD. Auxiliary Radiator. Emission Reduction Fluid Injector Cooling.
MSRP $197.46
$129.12
MSRP $197.46
$129.12
20
Inlet Hose GM
GM Positions: Left
Description: GM Genuine Parts Auxiliary Radiator Inlet Hose (Part Number: 85119160) is an OE radiator inlet hose supplying coolant to auxiliary radiator or fuel-cooling circuits. Application: For specified diesel engines and fuel-cooling applications on Silverado/Sierr ...
MSRP $133.53
$87.71
MSRP $133.53
$87.71
20
Radiator Coolant Hose GM
GM Positions: Lower
Description: GM Genuine Parts Radiator Outlet Hose (Part Number: 85119169) is a radiator outlet hose designed for engine cooling circuits on specified heavy-duty Silverado and Sierra diesel models. Function: Routes coolant from the radiator outlet to engine components ...
MSRP $175.56
$114.80
MSRP $175.56
$114.80
20
Radiator Inlet Hose GM
GM Positions: Upper
Description: Manufactured to GM OE specification for fit, form, and function
MSRP $37.85
$26.54
MSRP $37.85
$26.54
21
Radiator Outlet Hose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.50
$6.76
MSRP $7.50
$6.76
22
MSRP $29.30
$22.84