Fuel Assemblies

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For Reference Only - Some Applications May Vary.


1-36 of 37 Items
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  1. Injector Asm - A0030100151 - Detroit Diesel
    Detroit Diesel Injector Asm
    Part# A0030100151 OLD# -
    Price $361.60
    Ships within 72 hours
  2. Injector Asm - A0020102751 - Detroit Diesel
    Detroit Diesel Injector Asm
    Part# A0020102751 OLD# RA0020102751
    Price $428.73
    Ships within 72 hours
  3. Inj Mbe 900 6.3L Epa98 - A0020102251 - Detroit Diesel
    Price $752.36
    Ships within 72 hours
  4. Fuel Cooler - A0000700879 - Detroit Diesel
    Detroit Diesel Fuel Cooler
    Part# A0000700879 OLD# -
    Price $260.51
    Ships within 72 hours
  5. Tube Asm - 23538465 - Detroit Diesel
    Detroit Diesel Tube Asm
    Part# 23538465 OLD# -
    Price $115.57
    Ships within 72 hours
  6. Tube Asm - 23538186 - Detroit Diesel
    Detroit Diesel Tube Asm
    Part# 23538186 OLD# -
    Price $111.99
    Ships within 72 hours
  7. Tube Asm - 23538185 - Detroit Diesel
    Detroit Diesel Tube Asm
    Part# 23538185 OLD# -
    Price $25.09
    Ships within 72 hours
  8. Supt Bridge - 23536833 - Detroit Diesel
    Detroit Diesel Supt Bridge
    Part# 23536833 OLD# -
    Price $14.56
    Ships within 72 hours
  9. Adapter - 23529282 - Detroit Diesel
    Detroit Diesel Adapter
    Part# 23529282 OLD# -
    Price $32.04
    Ships within 72 hours
  10. Regulator - 23528950 - Detroit Diesel
    Detroit Diesel Regulator
    Part# 23528950 OLD# -
    Price $589.11
    Ships within 72 hours
  11. M-Inj Sprng - 23528939 - Detroit Diesel
    Detroit Diesel M-Inj Sprng
    Part# 23528939 OLD# -
    Price $15.83
    Ships within 72 hours
  12. Sensor - 23528890 - Detroit Diesel
    Detroit Diesel Sensor
    Part# 23528890 OLD# -
    Price $434.63
    Ships within 72 hours
  13. Fuel Chk Vl - 23516993 - Detroit Diesel
    Detroit Diesel Fuel Chk Vl
    Part# 23516993 OLD# -
    Price $107.59
    Ships within 72 hours
  14. Plate - 23516935 - Detroit Diesel
    Detroit Diesel Plate
    Part# 23516935 OLD# -
    Price $480.55
    Ships within 72 hours
  15. Inj Harn Ind - 23513605 - Detroit Diesel
    Detroit Diesel Inj Harn Ind
    Part# 23513605 OLD# -
    Price $344.64
    Ships within 72 hours
  16. Valve - 23505047 - Detroit Diesel
    Detroit Diesel Valve
    Part# 23505047 OLD# -
    Price $151.65
    Ships within 72 hours
  17. Clamp - 08929088 - Detroit Diesel
    Detroit Diesel Clamp
    Part# 08929088 OLD# -
    Price $48.37
    Ships within 72 hours
  18. Pipe - Fuel, From Tank To Fuel Lift Pump - 1973417PE - Paccar Engine
    Price $34.20
    Ships within 72 hours
  19. Fuel Assembly - Unheated ESI 12V - K37-1027-310010 - Paccar
    Paccar Fuel Assembly - Unheated ESI 12V
    Part# K37-1027-310010 OLD# -
    Price $625.76
    Ships within 72 hours
  20. Fuel Blender Assembly - ESI - K37-1027-311000 - Paccar
    Paccar Fuel Blender Assembly - ESI
    Part# K37-1027-311000 OLD# -
    Price $607.83
    Ships within 72 hours
  21. Fuel Assembly - Unheated SSI - K37-1027-300000 - Paccar
    Paccar Fuel Assembly - Unheated SSI
    Part# K37-1027-300000 OLD# -
    Price $596.13
    Ships within 72 hours
  22. Sensor - A0061536528 - Detroit Diesel
    Detroit Diesel Sensor
    Part# A0061536528 OLD# -
    Price $252.32
    Ships within 3 to 6 weeks
  23. Nozzle Holder - A0030100451 - Detroit Diesel
    Detroit Diesel Nozzle Holder
    Part# A0030100451 OLD# -
    Price $721.17
    Ships within 3 to 6 weeks
  24. 472.907 Head - 23539782 - Detroit Diesel
    Detroit Diesel 472.907 Head
    Part# 23539782 OLD# -
    Price $1,178.73
    Ships within 3 to 6 weeks
  25. Isolator - 23536210 - Detroit Diesel
    Detroit Diesel Isolator
    Part# 23536210 OLD# -
    Price $32.80
    Ships within 3 to 6 weeks
  26. Module - Fuel Filter MX-13 ESI - 2184055PE - Paccar Engine
    Price $969.49
    Ships within 3 to 6 weeks
  27. Fuel Assembly- Unheated WIF ESI 12V - K37-1027-110001 - Kenworth
    Price $611.88
    Ships within 3 to 6 weeks
  28. Heated Fuel Assembly- WIF ESI 12V - K37-1027-110011 - Paccar
    Price $685.34
    Ships within 3 to 6 weeks
  29. Fuel Assembly Blender - WIF SSI 12V - K37-1027-101011 - Paccar
    Price $761.59
    Ships within 3 to 6 weeks
  30. Fuel Assembly Blender- WIF ESI - K37-1027-111011 - Paccar
    Paccar Fuel Assembly Blender- WIF ESI
    Part# K37-1027-111011 OLD# -
    Price $769.36
    Ships within 3 to 6 weeks
  31. Fuel Assembly- Unheated WIF ESI - K37-1027-310000 - Paccar
    Paccar Fuel Assembly- Unheated WIF ESI
    Part# K37-1027-310000 OLD# -
    Price $595.86
    Ships within 3 to 6 weeks
  32. Fuel Filter Assembly - Paccar Primary - K37-1027-301000 - Paccar
    Price $607.87
    Ships within 3 to 6 weeks
  33. Fuel Filter Assembly - K37-1027-311110 - Paccar
    Paccar Fuel Filter Assembly
    Part# K37-1027-311110 OLD# -
    Price $921.66
    Ships within 3 to 6 weeks
  34. Fuel Assembly- Unheated SSI 12V - K37-1027-300010 - Paccar
    Paccar Fuel Assembly- Unheated SSI 12V
    Part# K37-1027-300010 OLD# -
    Price $625.94
    Ships within 3 to 6 weeks
  35. Fuel Blender Assembly - ESI 12V - K37-1027-311010 - Paccar
    Paccar Fuel Blender Assembly - ESI 12V
    Part# K37-1027-311010 OLD# -
    Price $702.43
    Ships within 3 to 6 weeks
  36. Fuel Assembly - Unheated WIF SSI - K37-1027-100001 - Paccar
    Paccar Fuel Assembly - Unheated WIF SSI
    Part# K37-1027-100001 OLD# -
    Price $611.71
    Ships within 3 to 6 weeks
1-36 of 37 Items
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Fuel Assemblies and components for trucks and semis

Fuel assemblies refer to the combination of components that make up the fuel delivery system, responsible for storing, delivering, and managing the fuel supply to the engine. The fuel assembly ensures a consistent and adequate supply of fuel for efficient combustion and optimal performance. 

Some of the primary components of a fuel assembly in trucks and semis include the fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, and the fuel pressure regulator. Properly functioning and well-maintained fuel assemblies are essential for maintaining engine performance and fuel efficiency, as well as overall vehicle reliability.

Most important fuel assemblies to maintain

The fuel tank stores the fuel and is typically made of materials such as steel, aluminum, or high-density polyethylene to prevent corrosion and leakage. It also includes components like the fuel level sender, which measures the amount of fuel in the tank, and the fuel filler neck, through which fuel is added to the tank.

The fuel pump is responsible for pressurizing and delivering fuel from the fuel tank to the engine. There are two main types of fuel pumps used in trucks and semis: mechanical; and electric. Mechanical fuel pumps are driven by the engine’s camshaft, while electric pumps are powered by the vehicle’s electrical system.

Fuel lines are tubes and hoses made of durable materials that transport fuel from the fuel tank to the engine’s fuel system components. The fuel filter removes contaminants, such as dirt, rust, and debris, from the fuel before it reaches the engine. Fuel injectors are responsible for atomizing the fuel and injecting it into the engine’s combustion chamber in precise amounts and at the right time. The Fuel pressure regulator helps maintain the correct fuel pressure within the fuel system by regulating the amount of fuel returning to the tank.

For all your fuel assembly parts needs, check out our catalog at Big Rig World for high-quality replacement parts and more.