Radiator & Components for 2021 GMC Sierra 1500
1. Radiator 
2. Cap 
3. Lower Baffle Bolt 
4. Lower Baffle Bolt 
5. Radiator Shutter Assembly 
6. Radiator Shutter Assembly 
7. Radiator Shutter Assembly 
8. Reservoir Cap 
9. Reservoir Cap 
10. Cap 
11. Cap 
12. Reservoir Cap 
13. Reservoir Cap 
14. 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. Shutter Bolt 
24. Shutter Bolt 
25. Reservoir Cap 
26. Reservoir Cap 
27. Lower Shutter Bolt 
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. Lower Baffle Bolt No.
Part # / Description / Price
Price
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
$17.19
MSRP $24.48
$17.19
N/A
MSRP $9.30
$6.53
N/A
By-Pass Hose Elbow GM
GM Description: Silverado, sierra. Thermostat bypass. 30 deg elbow. 3.0L diesel, 2023-26.
MSRP $10.25
$7.20
MSRP $10.25
$7.20
N/A
Inlet Hose GM
GM Description: Silverado, sierra. Thermostat bypass. 530mm. 3.0L diesel low pressure. Inlet hose.
MSRP $55.11
$38.68
MSRP $55.11
$38.68
N/A
Water Pump Gasket GM
GM Description: 3.0L diesel. May be made from fiber or a rubberized composite material
MSRP $3.84
$2.25
MSRP $3.84
$2.25
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
$46.85
MSRP $70.22
$46.85
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
MSRP $17.13
$12.03
MSRP $17.13
$12.03
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
$11.70
MSRP $17.53
$11.70
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
$19.35
MSRP $27.57
$19.35
N/A
$122.46
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.
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
MSRP $515.86
$362.13
MSRP $515.86
$362.13
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.
MSRP $477.84
$335.44
MSRP $477.84
$335.44
2
Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. Escalade ESV. Yukon XL. 2023-26. Engine Cooling.
MSRP $98.31
$69.02
MSRP $98.31
$69.02
3
Lower Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. 2023-26. Tahoe. Escalade ESV. Yukon XL. Engine Cooling.
MSRP $85.60
$60.09
MSRP $85.60
$60.09
4
Engine Block Heater 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 Motor ...
MSRP $93.55
$62.40
MSRP $93.55
$62.40
5
Radiator Surge Tank GM
GM Description: Silverado, sierra. 3.0L diesel. 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
MSRP $38.57
$27.07
MSRP $38.57
$27.07
6
Valve GM
GM Description: 3.0L diesel. Silverado, sierra. Control Valve. Incl.Gasket. 2020-22. Suburban. Tahoe. Escalade ESV. Yukon XL.
MSRP $507.65
$338.55
MSRP $507.65
$338.55
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
$1.01
MSRP $1.72
$1.01
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
$67.87
MSRP $96.69
$67.87
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
$4.68
MSRP $6.67
$4.68
10
F (S)Hose GM
GM Description: 3.0L diesel. Silverado, sierra. 2020-22. Escalade ESV. Suburban. Tahoe. Yukon XL.
MSRP $106.32
$70.91
MSRP $106.32
$70.91
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
$0.74
MSRP $1.26
$0.74
12
MSRP $149.08
$87.21
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
$171.29
MSRP $292.80
$171.29
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
$97.74
MSRP $139.24
$97.74