Hardware, Fasteners & Fittings for 2026 Chevrolet Silverado 1500
1. Radiator 
2. Shutter 
3. Front 
4. Water Pump 
5. Under Cover Bolt 
6. Reservoir Cap 
7. Radiator Support Panel Bolt 
8. Front Panel Bolt 
9. Fan Shroud Bolt 
10. Upper 
11. Inter-cooler Bolt 
12. Serpentine Belt 13. Radiator Shutter Assembly Bolt 
14. Cap 
15. Front 
16. Front 
17. Rear 
18. Upper Baffle 
19. Oil Cooler 
20. Reservoir Cap 
21. Radiator Support Air Deflector Bolt 
22. Engine Coolant Reservoir Cap 
23. Radiator Support 
24. Cap 
25. Cap 
26. Reservoir Cap 
27. Reservoir Cap 
28. Reservoir Cap 
29. Front inner 
30. Cap 
31. Retainer Bolt 
32. Air Deflector Bolt 
33. Reservoir Cap 
34. Reservoir Cap 
35. Cap 
36. Engine Coolant Reservoir Cap 
37. Shutter Bolt 
38. Reservoir Cap 
39. Radiator Support Splash Shield Bolt 
40. Shutter Bolt 
41. Engine Coolant Reservoir Cap 
42. Engine Coolant Reservoir Cap 
43. Engine Coolant Reservoir Cap 
44. Reservoir Cap 
45. Reservoir Cap 
46. Front lower inner 
47. Reservoir Cap 
48. Engine Coolant Reservoir Cap 
49. Reservoir Cap 
50. Center 
51. Reservoir Cap 
52. Bumper Cover Bolt 
53. Reservoir Cap 
54. Reservoir Cap 
55. Reservoir Cap 
56. Reservoir Cap 
57. Reservoir Cap 
58. Reservoir Cap 
59. Radiator Support Air Deflector Bolt 
60. Reservoir Cap 
61. Reservoir Cap 
62. Radiator Support Air Deflector Bolt 
63. Reservoir Cap 
64. Bumper Cover Bolt 
65. Radiator Support Air Deflector Bolt 66. Radiator Support Panel Reinforcement Bolt No.
Part # / Description / Price
Price
1
Radiator 
GM
GM Description: Main. Without performance package. Silverado, sierra. 2023-26, without enhanced tow. 2.7L turbo. 3.0L diesel.
MSRP $392.24
$275.26
MSRP $392.24
$275.26
3
Radiator Lower Insulator GM
GM Positions: Left
Notes: PARTS: Part included with radiator.
Description: 6.6L gas. 2.7L turbo. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.02
$6.76
MSRP $9.02
$6.76
4
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: Genuine GM Radiator Drain Petcock, part number 22790134. This GM OEM radiator drain petcock transfers heat from the engine coolant to the outside air, keeping the engine at proper operating temperature. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 22790134 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $25.52
$19.10
MSRP $25.52
$19.10
5
Engine Coolant Temperature Sensor GM
GM Notes: PARTS: Part included with radiator.
Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $13.54
$8.56
MSRP $13.54
$8.56
6
Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. Escalade ESV. Yukon XL. 2023-26. Engine Cooling.
MSRP $102.48
$72.16
MSRP $102.48
$72.16
6
Air Outlet Tube GM
GM Positions: Upper
Description: 3.0L diesel. 2023-26. Charge Air Cooling.
MSRP $145.68
$86.68
MSRP $145.68
$86.68
8
Radiator Hose Clamp GM
GM Description: 5.3, 6.2L, front. Main, front, with hd cooling. 3.0L twin-turbo, main radiator. 3.0L diesel, rear. 2.7L turbo, front. 4.3L, front. Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.87
$3.64
MSRP $4.87
$3.64
9
Lower Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. 2023-26. Tahoe. Escalade ESV. Yukon XL. Engine Cooling.
MSRP $93.70
$65.97
MSRP $93.70
$65.97
9
MSRP $82.76
$58.64
11
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 $39.11
$27.71
MSRP $39.11
$27.71
12
20 P.S.I. Radiator Surge Tank Cap GM
GM Description: Genuine GM 20 P.S.I. Radiator Surge Tank Cap, part number 13545896. This GM OEM 20 P.S.I. radiator surge tank cap holds fluid for its system and allows for expansion and easy level checks. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 13545896 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $20.70
$13.09
MSRP $20.70
$13.09
13
Vent Hose GM
GM Description: 3.0L diesel. upper. 2020-22 3.0L diesel. #1. 2023-26 3.0L diesel. #1.
MSRP $48.90
$35.13
MSRP $48.90
$35.13
14
MSRP $64.30
$43.91
15
Multi-Purpose Clamp GM
GM Description: Genuine GM Multi-Purpose Clamp, part number 90530642. This GM OEM multi-purpose clamp is factory fastening hardware matched to the original application. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 90530642 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $12.88
$8.15
MSRP $12.88
$8.15
16
MSRP $56.14
$40.33
19
Multi-Purpose Clamp GM
GM Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.82
$2.11
MSRP $2.82
$2.11
20
Engine Block Heater GM
GM Description: Genuine GM Engine Block Heater, part number 12586687. This GM OEM engine block heater is an internal engine component built to factory specifications for proper fit, balance and durability. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 12586687 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $96.16
$65.24
MSRP $96.16
$65.24
22
Engine Coolant Heater Extension Cable GM
GM Description: Genuine GM Engine Coolant Heater Extension Cable, part number 84564686. This GM OEM engine coolant heater extension cable is a factory replacement component designed to fit and function exactly like the original part on your GM vehicle. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 84564686 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $96.09
$65.18
MSRP $96.09
$65.18