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Home 2025 Chevrolet Silverado 2500 HD LT 6.6L V8 - Flex Fuel System Components

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2025 Chevrolet Silverado 2500 HD

LT 6.6L V8 - Flex

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Fuel System
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Fuel System Components for 2025 Chevrolet Silverado 2500 HD

Diagram 1 1. Fuel Tank Diagram 2 2. Filler Pipe Diagram 3 3. Fuel Pump Assembly Diagram 4 4. Fuel Tank Diagram 5 5. Fuel Pump Assembly Diagram 6 6. Fuel Pump Assembly Seal Diagram 7 7. Fuel Pump Assembly Seal Diagram 8 8. Fuel Pump Seal Diagram 9 9. Fuel Pump Seal Diagram 10 10. Fuel Pump Seal Diagram 11 11. Fuel Pump Assembly Seal Diagram 12 12. Fuel Pump Assembly Seal Diagram 13 13. Fuel Pump Assembly Seal Diagram 14 14. Fuel Pump Seal Diagram 15 15. Fuel Pump Seal Diagram 16 16. Fuel Pump Assembly Seal Diagram 17 17. Fuel Pump Seal Diagram 18 18. Fuel Pump Seal Diagram 19 19. Fuel Pump Assembly Seal Diagram 20 20. Fuel Pump Seal Diagram 21 21. Fuel Pump Seal Diagram 22 22. Fuel Pump Assembly Seal Diagram 23 23. Fuel Pump Seal Diagram 24 24. Fuel Pump Seal Diagram 25 25. Fuel Pump Assembly Seal Diagram 26 26. Fuel Pump Seal Diagram 27 27. Fuel Pump Assembly Seal Diagram 28 28. Fuel Pump Assembly Seal Diagram 29 29. Fuel Pump Seal Diagram 30 30. Fuel Pump Seal Diagram 31 31. Fuel Pump Seal Diagram 32 32. Fuel Pump Seal Diagram 33 33. Fuel Pump Seal Diagram 34 34. Fuel Pump Assembly Seal Diagram 35 35. Fuel Pump Assembly Seal Diagram 36 36. Fuel Sender Unit Seal Diagram 37 37. Fuel Pump Assembly Seal Diagram 38 38. Fuel Sender Unit Seal Diagram 39 39. Fuel Pump Seal Diagram 40 40. Seal Diagram 41 41. Fuel Pump Seal Diagram 42 42. Fuel Pump Assembly Seal Diagram 43 43. Fuel Pump Seal Diagram 44 44. Fuel Pump Seal Diagram 45 45. Fuel Pump Seal Diagram 46 46. Fuel Pump Seal Diagram 47 47. Fuel Pump Assembly Seal Diagram 48 48. Module Seal Diagram 49 49. Fuel Pump Assembly Seal Diagram 50 50. Fuel Pump Assembly Seal Diagram 51 51. Fuel Pump Assembly Seal Diagram 52 52. Fuel Pump Seal Diagram 53 53. Fuel Pump Assembly Seal Diagram 54 54. Fuel Sender Unit Seal Diagram 55 55. Fuel Pump Assembly Seal Diagram 56 56. Module Seal Diagram 57 57. Fuel Pump Assembly Seal Diagram 58 58. Fuel Pump Assembly Seal Diagram 59 59. Fuel Pump Assembly Seal Diagram 60 60. Fuel Pump Seal Diagram 61 61. Fuel Pump Assembly Seal Diagram 62 62. Fuel Pump Seal Diagram 63 63. Fuel Pump Assembly Seal Diagram 64 64. Seal 65. Injection Pump

Related Parts

Part # / Description / Price
Price
12731367 - Fuel System: Injection Pump for GM Image
Fuel Injection Pump
12731367
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, fuel pump.Fuel Injection Pump - GM (12731367): Precision Engineering for Optimal Performance Ensure your vehicle’s fuel system operates at peak efficiency with the Fuel Injection Pump - G ...
MSRP $1,129.60
$638.22
MSRP $1,129.60
$638.22
12708493 - Fuel System: Pressure Sensor for GM Image
Fuel Injection Fuel Rail Fuel Pressure Sensor
12708493
GM GM
Description: Genuine OEM GM 2017-2023 GM Fuel Injection Fuel Rail Fuel Pressure Sensor - 12708493The Genuine OEM GM 2017-2023 GM Fuel Injection Fuel Rail Fuel Pressure Sensor - 12708493 is a critical component that ensures accurate monitoring and control of fuel pressu ...
MSRP $44.12
$25.81
MSRP $44.12
$25.81
12719352 - Fuel System: Fuel Rail for GM Image
Fuel Rail
12719352
GM GM
MSRP $241.14
$141.07
MSRP $241.14
$141.07
12719353 - Fuel System: Fuel Rail for GM Image
Fuel Rail
12719353
GM GM
MSRP $235.06
$137.98
MSRP $235.06
$137.98
12726902 - Fuel System: Injector Seal Kit for GM Image
Injector Seal Kit
12726902
GM GM
MSRP $88.64
$51.85
MSRP $88.64
$51.85
12732623 - Fuel System: Injector for GM Image
Fuel Injector
12732623
GM GM
MSRP $208.20
$121.80
MSRP $208.20
$121.80
12735882 - Fuel System: Fuel Pump for GM Image
Fuel Pump
12735882
GM GM
Notes: Order By Vehicle Application.
Description: Direct Injection Fuel Pump. Silverado, Sierra 2500 HD. Gas. On engine. Silverado, Sierra 3500 HD. Express 2500. 6.6l. Engine (high pressure). Express 3500. 6.6l. Savana 2500. 6.6l. Savana 3500. 6.6l.
MSRP $330.77
$193.51
MSRP $330.77
$193.51
13553578 - Fuel System: Fuel Pump Controller for GM Image
Fuel Pump Driver Module
13553578
GM GM
Description: Silverado, Sierra 2500 HD. Dual tank. Silverado, Sierra 3500 HD.
MSRP $166.50
$94.85
MSRP $166.50
$94.85
37183424 - Fuel System: Line for GM Image
Rear Fuel Feed Pipe
37183424
GM GM
Notes: Order By Vehicle Application.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $21.56
$12.61
MSRP $21.56
$12.61
37183425 - Fuel System: Line for GM Image
Rear Fuel Feed Pipe
37183425
GM GM
Notes: Order By Vehicle Application.
Description: Manufactured to GM OE specification for fit, form, and function
MSRP $18.70
$10.94
MSRP $18.70
$10.94
37183426 - Fuel System: Line for GM Image
Rear Fuel Feed Pipe
37183426
GM GM
Notes: Order By Vehicle Application.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.52
$20.19
MSRP $34.52
$20.19
37183427 - Fuel System: Line for GM Image
Rear Fuel Feed Pipe
37183427
GM GM
Notes: Order By Vehicle Application.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $37.16
$21.74
MSRP $37.16
$21.74
84024307 - Fuel System: Pedal Travel Sensor for GM Image
Accelerator Pedal
84024307
GM GM
Notes: Includes: Accelerator Pedal.
Description: Silverado, sierra. 6l80 trans. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Incl.Pedal Assy. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $58.36
$34.14
MSRP $58.36
$34.14
84125247 - Fuel System: Cooler for GM Image
Fuel Cooler
84125247
GM GM
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $116.93
$77.97
MSRP $116.93
$77.97
84877554 - Fuel System: Line for GM Image
Line
84877554
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 3500 HD. Gas. Double cab. Short box. Rear. Silverado, Sierra 2500 HD. Crew cab.
MSRP $93.84
$54.90
MSRP $93.84
$54.90
84877560 - Fuel System: Line for GM Image
Line
84877560
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Gas. Double cab. Long box. Rear. Crew cab. Silverado, Sierra 3500 HD. Regular cab chassis. Single tank.
MSRP $152.44
$89.18
MSRP $152.44
$89.18
85843539 - Fuel System: Fuel Pump for GM Image
Fuel Pump
85843539
GM GM
Notes: Order By Vehicle Application.
Description: 6.6L gas, tank & mounting, 8 ft box.
MSRP $284.98
$166.71
MSRP $284.98
$166.71
85556372 - Fuel System: Fuel Pump for GM Image
Fuel Pump
85556372
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Gas. In fuel tank. Double cab. Short box. Silverado, Sierra 3500 HD. Dual tank. Single tank. 6.6L diesel, tank & mounting, 6.9 ft box.
MSRP $289.54
$169.38
MSRP $289.54
$169.38
86514975 - Fuel System: Filler Neck for GM Image
Filler Pipe
86514975
GM GM
Description: Silverado, Sierra 2500 HD. Gas. Short box. Silverado, Sierra 3500 HD.
MSRP $234.96
$164.95
MSRP $234.96
$164.95
87837666 - Fuel System: Line for GM Image
Fuel Feed Front Pipe
87837666
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Gas. Crew cab. Short box. Front. Double cab. Long box. Silverado, Sierra 3500 HD. Regular cab chassis. Dual tank.
MSRP $68.44
$40.04
MSRP $68.44
$40.04
12686813 - Fuel System: Fuel Injector O-Ring for GM Image
Fuel Injector O-Ring
12686813
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $6.27
$3.66
MSRP $6.27
$3.66
12735881 - Fuel System: Mechanical Fuel Pump for GM Image
Fuel Pump
12735881
GM GM
Description: Express 2500. 6.6l. Engine (high pressure). Savana 2500. 6.6l. Express 3500. 6.6l. Savana 3500. 6.6l. Direct Injection Fuel Pump. Vendor:acdelco. Vendor #12692704. Vendor #12719159.
MSRP $407.75
$238.53
MSRP $407.75
$238.53
13502903 - Fuel System: Fuel Tank Pressure Sensor for GM Image
Fuel Tank Pressure Sensor
13502903
GM GM
Description: Help measure pressure changes within fuel tank Help alert engine management computer if a leak occurs in fuel system.Genuine OEM GM 2007-2024 GM Fuel Tank Pressure Sensor - 13502903  Ensure the longevity and reliability of your vehicle's performance w ...
MSRP $102.67
$60.06
MSRP $102.67
$60.06
13516496 - Fuel System: Fuel Pressure Sensor for GM Image
Fuel Pressure Sensor
13516496
GM GM
Description: Signals the PCM to monitor fuel supplied to the engine Designed to accurately monitor fuel tank pressureGenuine OEM GM 2013-2023 GM Fuel Pressure Sensor - 13516496 Ensure precise fuel delivery and optimize engine performance with the Genuine OEM GM Fuel Pr ...
MSRP $101.20
$59.20
MSRP $101.20
$59.20