Engine Wiring Harnesses

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For Reference Only - Some Applications May Vary.


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  1. EPA Harness 2013 ISX P92-5266-204104 - Paccar
    Price $961.60
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  2. Harness Assembly 132-5317 - CAT
    Price $629.65
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  3. Chassis Harness K068-6056-2200 - Kenworth
    Price $341.94
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  4. Harness - Cab/Electronic Engine 16-08788 - Peterbilt
    Price $581.00
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  5. Harness - Heater Engine W/O Thermostat P92-2832-0233-26 - Paccar
    Price $328.17
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  6. Harness Wiring - Engine 4377400 - Cummins
    Price $219.72
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  7. Engine Harness MX-13 2021 21M D92-1237-3L00201 - Paccar
    Price $879.99
    Ships within 72 hours
  8. Harness - Engine/Transmission K068-6055 - Kenworth
    Price $417.46
    Ships within 72 hours
  9. Wiring Harness 4377407 - Cummins
    Price $161.99
    Ships within 72 hours
  10. EPA / Harness - Canister 5417959 - Cummins
    Price $369.33
    Ships within 72 hours
  11. Harness - Engine CAT 3406E 16-06515 - Peterbilt
    Price $835.67
    Ships within 72 hours
  12. Harness Fiber Tape Wrap Cutting Tool DKI0CHA17002-13 - Detroit Diesel
    Price $35.54
    Ships within 72 hours
  13. Harness A9674403751 - Detroit Diesel
    Price $333.31
    Ships within 72 hours
  14. Harness, Ats A9645406336 - Detroit Diesel
    Price $337.29
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  15. Electrical Wiring Harness A9361506020 - Detroit Diesel
    Price $466.65
    Ships within 72 hours
  16. Electrical Wiring Harness A9361505920 - Detroit Diesel
    Price $433.32
    Ships within 72 hours
  17. Electrical Wiring Harness A9361504720 - Detroit Diesel
    Price $559.24
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  18. Electrical Wiring Harness A9361504620 - Detroit Diesel
    Price $570.36
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  19. Elctical Wiring Harness A9361502320 - Detroit Diesel
    Price $559.24
    Ships within 72 hours
  20. Injector Wiring A9361500437 - Detroit Diesel
    Detroit Diesel Injector Wiring A9361500437
    Part# A9361500437 OLD# A9361500137
    Price $220.61
    Ships within 72 hours
  21. Electrical Wiring Harness A9341505933 - Detroit Diesel
    Price $369.03
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  22. Wiring Harne A9261501533 - Detroit Diesel
    Price $976.09
    Ships within 72 hours
  23. Injector Wire A9261500337 - Detroit Diesel
    Price $217.44
    Ships within 72 hours
  24. Injector Wir A9261500037 - Detroit Diesel
    Price $277.76
    Ships within 72 hours
  25. Electr Cable A9061503733 - Detroit Diesel
    Price $944.43
    Ships within 72 hours
  26. Jumper Cable A9061500056 - Detroit Diesel
    Price $46.82
    Ships within 72 hours
  27. Tie Strap, Fram - Attaching Hoses, Lines A6845480095 - Detroit Diesel
    Price $9.95
    Ships within 72 hours
  28. Cover A6805420691 - Detroit Diesel
    Detroit Diesel Cover A6805420691
    Part# A6805420691 OLD# -
    Price $36.91
    Ships within 72 hours
  29. Electrical Wiring Harness A6805405005 - Detroit Diesel
    Price $466.65
    Ships within 72 hours
  30. Electrical Wiring Harness / Doc Dpf A6805404905 - Detroit Diesel
    Price $165.06
    Ships within 72 hours
  31. El.Wir.Harnss Scr A6805404505 - Detroit Diesel
    Price $109.46
    Ships within 72 hours
  32. Bracket A4721530140 - Detroit Diesel
    Price $24.43
    Ships within 72 hours
  33. Sensor A4721530028 - Detroit Diesel
    Detroit Diesel Sensor A4721530028
    Part# A4721530028 OLD# -
    Price $93.12
    Ships within 72 hours
  34. Wire Harness A4721509933 - Detroit Diesel
    Price $629.61
    Ships within 72 hours
  35. Wire Harness A4721509833 - Detroit Diesel
    Price $562.95
    Ships within 72 hours
  36. Harness A4721509733 - Detroit Diesel
    Price $570.36
    Ships within 72 hours
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Engine Wiring Harnesses - The Heartbeat of Your Truck

Navigating the maze of wires under the hood can be daunting. But among them, engine wiring harnesses stand out as crucial components. They ensure that power and data flow correctly, keeping the engine humming smoothly.

What's the Big Deal?

Engine wiring harnesses are like the nervous system of a truck. They transmit electrical signals from the engine control unit (ECU) to various engine components. This ensures:

  • Efficient Fuel Combustion: Proper signals lead to timely fuel injection.
  • Smooth Gear Shifts: Transitions between gears become seamless.
  • Optimal Performance: With accurate data transmission, engines run at peak efficiency.

Factors to Consider

When looking for an engine wiring harness, certain factors shouldn't be overlooked:

  • Quality: Harnesses endure a lot, from engine heat to vibrations. Quality materials ensure longevity.
  • Fit: Trucks vary, and so do their wiring needs. Always ensure the harness is suitable for the specific truck model.
  • Protection: A good harness comes with protective sheathing, preventing damage from engine heat or any potential abrasion.

Common Issues to Watch Out For

Engine wiring harnesses can experience wear and tear. Some signs of a faltering harness include:

  • Unexpected engine stalls
  • Reduced fuel efficiency
  • Misfiring or irregular engine behavior

If any of these issues are observed, it might be time for a thorough inspection or a replacement.

Find the Best at Big Rig Shop

For those serious about the health and performance of their truck, the Big Rig shop offers a wide assortment of engine wiring harnesses. These harnesses are designed to meet the demanding needs of modern trucks, ensuring they continue to perform at their best.

In conclusion, while wires and cables might seem like mere details, they play a massive role in the grand scheme of things. A truck's performance, efficiency, and overall health greatly depend on the integrity of its engine wiring harness. And when it's time to invest in a new one, there’s no better place than the Big Rig shop to find the perfect match.