Cooling System for 2023 Chevrolet Silverado 3500 HD
1. ACDelcoâ„¢ Auxiliary Radiator 
2. Reservoir Cap 
3. Cap 
4. Cap 
5. Cap 
6. Cap 
7. Cap 
8. Reservoir Cap 
9. Reservoir Cap 
10. Reservoir Cap 
11. Cap 
12. Cap 
13. Cap 
14. Cap 
15. Cap 
16. Cap 
17. Cap 
18. Cap 
19. Cap 
20. Cap 
21. Cap 
22. Cap 
23. Cap 
24. Cap 
25. Cap 
26. Cap 
27. Cap 
28. Cap 
29. Reservoir Cap 
30. Cap 
31. Cap 
32. Cap 
33. Cap 
34. Reservoir Cap 
35. Cap 
36. Reservoir Cap 
37. Reservoir Cap 
38. Reservoir Cap 
39. Reservoir Cap 
40. Reservoir Cap 
41. Cap 
42. Reservoir Cap 
43. Cap 
44. Cap 
45. Reservoir Cap 
46. Cap 
47. Cap 
48. Cap 
49. Reservoir Cap 
50. Reservoir Cap No.
Part # / Description / Price
N/A
Radiator Shutter Assembly 
GM
MSRP $154.56
GM Silverado 2500 HD. Lower. Sierra 2500 HD. Sierra 3500 HD. Silverado 3500 HD.
N/A
Radiator Shutter Assembly GM
MSRP $299.38
GM With active shutter. Silverado 2500 HD. Upper. Silverado 3500 HD.
N/A
Inlet Hose GM
MSRP $133.53
GM Hoses
Silverado, Sierra 2500 HD. Inlet. Silverado, Sierra 3500 HD. Auxiliary Radiator. Emission Reduction Fluid Injector Cooling. 6.6L diesel, fuel cooling, to 09/19/2024.
N/A
Outlet Hose GM
MSRP $197.46
GM Hoses
6.6L diesel, fuel cooling. Silverado, Sierra 2500 HD. Outlet. Silverado, Sierra 3500 HD. Auxiliary Radiator. Emission Reduction Fluid Injector Cooling.
N/A
Engine Auxiliary Radiator GM
MSRP $316.67
GM Auxiliary Radiator
6.6L diesel, fuel cooling. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
N/A
Radiator Drain Petcock GM
MSRP $24.48
GM Expansion Plug
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
N/A
By-Pass Pipe GM
MSRP $80.00
GM By-Pass Hose
6.6L diesel. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
1
Engine Radiator GM
MSRP $879.94
GM Radiator
Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Primary. 6.6L diesel, engine cooling.
2
Radiator Inlet Hose GM
MSRP $37.85
GM Upper Hose
Manufactured to GM OE specification for fit, form, and function
3
Radiator Coolant Hose GM
MSRP $175.56
GM Lower Hose
Primary Radiator. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, engine cooling.
5
6
Engine Coolant Thermostat GM
MSRP $16.72
GM Thermostat
Silverado, sierra. 6.6l. 185 degrees. 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185 degrees. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
6
Engine Coolant Thermostat GM
MSRP $17.12
GM Thermostat
6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180 degrees. 180 Degrees F.
7
Engine Coolant Thermostat O-Ring GM
MSRP $14.00
GM Thermostat Gasket
6.6L diesel, 185 deg therm. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, 180 deg therm. Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
Thermostat Housing GM
MSRP $209.30
GM 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
10
Engine Water Pump GM
MSRP $296.72
GM Water Pump
Silverado, sierra. 6.6l. 6.6L diesel. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Thoroughly tested for reliable, leak-resistant performance Uniform wall sections and smooth coolant-flow cavities for efficient operation Coated seals with a stainless steel spring for durability
11
Water Pump Cover Seal GM
MSRP $8.20
GM Gasket
Silverado, sierra. 6.6l. 6.6L diesel. Silverado, Sierra 2500 HD. O-ring. Silverado, Sierra 3500 HD. Made from some heat and chemical-resistant materials This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Water Pump Outlet Pipe Gasket GM
MSRP $0.88
GM Gasket
2017-19. 6.6L diesel. Silverado, Sierra 2500 HD. Gasket. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
12
12
Acdelco™ Fan Blade GM
GM ACDelcoâ„¢ Fan Blade
6.6L diesel. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
13
Engine Cooling Fan Clutch GM
MSRP $667.41
GM Fan Clutch
Silverado, Sierra 2500 HD. 4wd. Silverado, Sierra 3500 HD. 4wd. 6.6L diesel, 4wd.
13
14
14
Engine Cooling Fan Upper Shroud GM
MSRP $62.25
GM Fan Shroud
6.6L diesel. Silverado, Sierra 2500 HD. Front. Upper. Silverado, Sierra 3500 HD. Helps regulate engine temperature Houses cooling fans Helps optimize airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
14
Engine Coolant Fan Lower Shroud GM
MSRP $69.92
GM Fan Shroud
6.6L diesel. Silverado, Sierra 2500 HD. Front. Lower. Silverado, Sierra 3500 HD. Helps regulate engine temperature Houses cooling fans Helps optimize airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors