Cooling System for 2021 Chevrolet Silverado 1500
1. Hoses 
2. Cap 
3. Cap 
4. Cap 
5. Cap 
6. Cap 
7. Cap 
8. Cap 
9. Cap 
10. Cap 
11. Reservoir Cap 
12. Reservoir Cap 
13. Reservoir Cap 
14. Reservoir 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. Cap 
30. Cap 
31. Reservoir Cap 
32. Cap 
33. Cap 
34. Cap 
35. Cap 
36. Reservoir Cap 
37. Reservoir Cap 
38. Reservoir Cap 
39. Cap 
40. Reservoir Cap 
41. Reservoir Cap 
42. Reservoir Cap 
43. Cap 
44. Cap 
45. Reservoir Cap 
46. Cap 
47. Cap 
48. Cap 
49. Reservoir Cap 
50. Reservoir Cap 
51. Reservoir Cap No.
Part # / Description / Price
Price
N/A
MSRP $9.30
$7.53
N/A
By-Pass Pipe 
GM
GM Description: Silverado, sierra. Valve to egr cooler. 2023-26. 3.0L diesel. By-pass pipe.
MSRP $27.57
$22.33
MSRP $27.57
$22.33
N/A
Exhaust Gas Recirculation Cooler Water Bypass Outlet Hose GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.53
$13.50
MSRP $17.53
$13.50
N/A
Thermal Bypass Hose GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
N/A
Thermostat Bypass Hose GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $70.22
$54.05
MSRP $70.22
$54.05
N/A
Water Pump Gasket GM
GM Description: 3.0L diesel. May be made from fiber or a rubberized composite material
MSRP $3.84
$2.59
MSRP $3.84
$2.59
N/A
$141.30
N/A
Acdelco™ Engine Water Pump Gasket GM
GM Description: 3.0L diesel. Silverado, sierra. 2023-25. Suburban. Tahoe. 2020-22. Escalade ESV. Yukon XL.
N/A
Inlet Hose GM
GM Description: Silverado, sierra. Thermostat bypass. 530mm. 3.0L diesel low pressure. Inlet hose.
N/A
By-Pass Hose Elbow GM
GM Description: Silverado, sierra. Thermostat bypass. 30 deg elbow. 3.0L diesel, 2023-26.
MSRP $10.25
$8.30
MSRP $10.25
$8.30
N/A
Radiator Surge Tank Cap GM
GM Description: GM Genuine Parts Radiator Surge Tank Caps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
MSRP $20.14
$13.59
MSRP $20.14
$13.59
N/A
Radiator Drain Petcock GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $24.48
$19.83
MSRP $24.48
$19.83
1
Engine Radiator GM
GM Description: Silverado, sierra. Main. With performance package. Suburban. Tahoe. Escalade ESV. 3.0L diesel. Yukon XL. Engine Cooling. 2023-26, with enhanced tow.
1
Engine Auxiliary Radiator GM
GM Description: Silverado, sierra. Auxiliary. 3.0L diesel. Lightweight; the radiators have a positive heat transfer to weight ratio
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
Manufactured to GM OE specification for fit, form, and function
2
Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. Escalade ESV. Yukon XL. 2023-26. Engine Cooling.
MSRP $98.31
$79.64
MSRP $98.31
$79.64
3
Radiator Outlet (Lower) Hose GM
GM Description: GM Original Equipment Radiator Coolant Hose is a GM-recommended replacement component for one or more of the following vehicle systems: cooling. This original equipment hose will provide the same performance, durability, and service life you expect from General Motors.
MSRP $85.60
$69.34
MSRP $85.60
$69.34
4
Heater,Eng Cool GM
GM Description: Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel, engine block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $93.55
$72.00
MSRP $93.55
$72.00
5
Radiator Surge Tank GM
GM Description: Designed to maintain optimal temperatures.
Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled.
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors.
Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled.
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors.
MSRP $38.57
$31.24
MSRP $38.57
$31.24
6
Engine Coolant Flow Control Valve GM
GM Description: GM Genuine Parts Engine Coolant Control Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors.
These valves control the coolant flow to the various systems in your vehicle's engine.
GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
MSRP $507.65
$390.64
MSRP $507.65
$390.64
7
Engine Coolant Thermostat Housing Gasket GM
GM Description: Silverado, sierra. 3.0L diesel. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
MSRP $1.72
$1.16
MSRP $1.72
$1.16
8
Water Pump Inlet Pipe GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $96.69
$78.31
MSRP $96.69
$78.31
9
Radiator Outlet Pipe Seal GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.67
$5.40
MSRP $6.67
$5.40
10
F (S)Hose GM
GM Description: 3.0L diesel. Silverado, sierra. 2020-22. Escalade ESV. Suburban. Tahoe. Yukon XL.
MSRP $106.32
$81.82
MSRP $106.32
$81.82
11
Engine Coolant Thermostat Housing Gasket GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1.26
$0.85
MSRP $1.26
$0.85
12
F (S)Pump Kit GM
GM Description: GM Genuine Parts Engine Water Pumps are designed, engineered, and tested to rigorous standards, and are backed by General Motors.
These pumps circulate coolant through your vehicle's radiator and engine system to help maintain proper engine temperature and performance.
GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
13
Fan & Motor GM
GM Notes: Includes Fan Blade.
Description: Silverado, sierra. Incl.Fan Blade. Suburban. Tahoe. Escalade. 3.0L diesel, upper, 1-piece design. Yukon. 6.2L supercharger, upper. Right. Labeled 86778037.
MSRP $292.80
$197.64
MSRP $292.80
$197.64
14
Engine Coolant Fan Rear Shroud GM
GM Description: Silverado, sierra. 3.0L diesel. 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
.
MSRP $139.24
$112.78
MSRP $139.24
$112.78