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Home 2025 Chevrolet Silverado 2500 HD WT 6.6L V8 - Diesel Fuel System Components

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2025 Chevrolet Silverado 2500 HD

WT 6.6L V8 - Diesel

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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. Fuel Filter Diagram 3 3. Fuel Pump Assembly Diagram 4 4. Filler Pipe Diagram 5 5. Fuel Tank Diagram 6 6. Fuel Pump Assembly Diagram 7 7. Fuel Pump Assembly Seal Diagram 8 8. Fuel Pump Assembly Seal Diagram 9 9. Fuel Pump Seal Diagram 10 10. Fuel Pump Seal Diagram 11 11. Fuel Pump Seal Diagram 12 12. Fuel Pump Assembly Seal Diagram 13 13. Fuel Pump Assembly Seal Diagram 14 14. Fuel Pump Assembly Seal Diagram 15 15. Fuel Pump Assembly Seal Diagram 16 16. Fuel Pump 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 Seal Diagram 23 23. Fuel Pump Seal Diagram 24 24. Fuel Pump Seal Diagram 25 25. Fuel Pump Seal Diagram 26 26. Level Sensor Diagram 27 27. Level Sensor Diagram 28 28. Fuel Pump Assembly Seal Diagram 29 29. Fuel Pump Assembly Seal Diagram 30 30. Fuel Pump Assembly Seal Diagram 31 31. Fuel Pump Assembly 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 Seal Diagram 36 36. Fuel Pump Seal Diagram 37 37. Fuel Pump Seal Diagram 38 38. Fuel Pump Assembly Seal Diagram 39 39. Fuel Sender Unit Seal Diagram 40 40. Fuel Pump Assembly Seal Diagram 41 41. Fuel Pump Seal Diagram 42 42. Fuel Pump Seal Diagram 43 43. Seal Diagram 44 44. Fuel Sender Unit Seal Diagram 45 45. Fuel Pump Seal Diagram 46 46. Fuel Pump Seal Diagram 47 47. Fuel Pump Seal Diagram 48 48. Fuel Pump Seal Diagram 49 49. Fuel Pump Assembly Seal Diagram 50 50. Fuel Pump Assembly Seal Diagram 51 51. Module Seal Diagram 52 52. Fuel Pump Assembly Seal Diagram 53 53. Fuel Pump Assembly Seal Diagram 54 54. Fuel Pump Assembly Seal Diagram 55 55. Fuel Pump Assembly Seal Diagram 56 56. Fuel Pump Seal Diagram 57 57. Fuel Pump Assembly Seal Diagram 58 58. Fuel Sender Unit Seal Diagram 59 59. Control Module Diagram 60 60. Module Seal Diagram 61 61. Fuel Pump Seal Diagram 62 62. Fuel Pump Assembly Seal Diagram 63 63. Fuel Pump Assembly Seal Diagram 64 64. Fuel Pump Assembly Seal Diagram 65 65. Fuel Pump Assembly Seal Diagram 66 66. Fuel Pump Seal Diagram 67 67. Fuel Pump Assembly Seal Diagram 68 68. Seal 69. Injector O-Ring

Related Parts

Part # / Description / Price
Price
12686813 - Fuel System: 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
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
12721111 - Fuel System: Fuel Rail for GM Image
Fuel Rail
12721111
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Right. Silverado, Sierra 3500 HD.
MSRP $228.72
$133.80
MSRP $228.72
$133.80
12721112 - Fuel System: Pressure Sensor for GM Image
Pressure Sensor
12721112
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Fuel rail sensor. Silverado, Sierra 3500 HD.
MSRP $85.32
$49.91
MSRP $85.32
$49.91
12731370 - Fuel System: Fuel Rail for GM Image
Fuel Rail
12731370
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Left. Silverado, Sierra 3500 HD.
MSRP $327.64
$191.67
MSRP $327.64
$191.67
12731731 - Fuel System: Injector for GM Image
Fuel Injector
12731731
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $372.72
$218.04
MSRP $372.72
$218.04
13516495 - Fuel System: Pressure Sensor for GM Image
Fuel Pressure Sensor
13516495
GM GM
Description: Silverado, Sierra 2500 HD. Diesel. Rear fuel pipe sensor. Silverado, Sierra 3500 HD. Signals the PCM to monitor fuel supplied to the engine Designed to accurately monitor fuel tank pressure
MSRP $72.80
$42.59
MSRP $72.80
$42.59
13554821 - Fuel System: Fuel Pump Controller for GM Image
Fuel Pump Controller
13554821
GM GM
Description: Express 2500. 6.6l. Savana 2500. 6.6l. Express 3500. 4.3l. Savana 3500. 4.3l. Express 2500. 4.3l. Savana 2500. 4.3l. Express 3500. 6.6l. Savana 3500. 6.6l.
MSRP $45.62
$26.69
MSRP $45.62
$26.69
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
23288713 - Fuel System: Cap for GM Image
Cap
23288713
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel. Incl.Tether. 1.6L, type 2. Dual Fuel Tanks.
MSRP $51.18
$29.94
MSRP $51.18
$29.94
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
85794983 - Fuel System: Line for GM Image
Pipe
85794983
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Diesel. Double cab. Long box. Front. Silverado, Sierra 3500 HD. Regular cab. Crew cab. Short box.
MSRP $94.26
$55.14
MSRP $94.26
$55.14
84515688 - Fuel System: Line for GM Image
Fuel Feed Rear Pipe
84515688
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 $69.20
$40.48
MSRP $69.20
$40.48
84515689 - Fuel System: Line for GM Image
Fuel Feed Rear Pipe
84515689
GM GM
Notes: Order By Vehicle Application.
Description: Directs fuel flow to optimize performance This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $70.54
$41.27
MSRP $70.54
$41.27
84559746 - Fuel System: Line for GM Image
Fuel Feed Rear Pipe
84559746
GM GM
Notes: Order By Vehicle Application.
Description: Directs fuel flow to optimize performance This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $48.60
$28.43
MSRP $48.60
$28.43
85585193 - Fuel System: Filler Neck for GM Image
Fuel Tank Filler Neck
85585193
GM GM
Description: Silverado, Sierra 2500 HD. Short box. 6.6L diesel, filler pipe, 6.9 ft box, double cab. Silverado, Sierra 3500 HD. Exc.Pick Up Bed Delete. Capless Filler Valve. Incl.Fuel Tank Filler Neck. Assembly. Incl.Upper Pipe and Lower Hose.
MSRP $310.40
$217.90
MSRP $310.40
$217.90
86534214 - Fuel System: Fuel Pump for GM Image
Fuel Pump
86534214
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. In fuel tank. Silverado, Sierra 3500 HD. Single tank. 6.6L diesel, tank & mounting, 8 ft box, regular cab. In Tank Assy.. Incl.Fuel Tank Sending Unit.
MSRP $252.58
$147.76
MSRP $252.58
$147.76
86534337 - Fuel System: Fuel Pump for GM Image
Fuel Pump
86534337
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Diesel. In fuel tank. Double cab. Short box. Silverado, Sierra 3500 HD. Single tank.
MSRP $253.64
$148.38
MSRP $253.64
$148.38
85023773 - Fuel System: Fuel Tank for GM Image
Fuel Tank
85023773
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 3500 HD. Diesel. Single tank. Double cab. Long box. Silverado, Sierra 2500 HD. Crew cab.
MSRP $1,131.71
$767.28
MSRP $1,131.71
$767.28
85546685 - Fuel System: Line for GM Image
Fuel Feed Pipe
85546685
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Diesel. Crew cab. Short box. Rear. Silverado, Sierra 3500 HD.
MSRP $141.66
$82.87
MSRP $141.66
$82.87
85546688 - Fuel System: Line for GM Image
Fuel Feed Pipe
85546688
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Diesel. Double cab. Long box. Rear. Silverado, Sierra 3500 HD. Crew cab.
MSRP $139.06
$81.35
MSRP $139.06
$81.35
85546689 - Fuel System: Line for GM Image
Fuel Feed Pipe
85546689
GM GM
Notes: Order By Vehicle Application.
Description: Silverado, Sierra 2500 HD. Diesel. Regular cab. Rear. Silverado, Sierra 3500 HD.
MSRP $121.56
$71.11
MSRP $121.56
$71.11
GT366 - Fuel System: ACDelcoâ„¢ Cap for GM Image
Acdelco™ Fuel Tank Cap
GT366
GM GM
Description: Incl.Tether. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel. Pick Up Bed Delete. Single Fuel Tank. Dual Fuel Tanks. 1.6L, type 2.
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