Engine Wiring Harnesses

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For Reference Only - Some Applications May Vary.


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  1. Engine - Harness ISX15 2010 P92-5590-013 - Kenworth
    Price $1,157.43
    Ships Today
  2. Engine Harness K068-7168 - Kenworth
    Price $2,474.40
    Ships Today
  3. Harness - Engine Cat 3406E 16-09606-004 - Peterbilt
    Price $2,274.01
    Ships Today
  4. Harness - Module Control 5256656 - Cummins
    Price $1,032.40
    Ships Today
  5. Harness - Engine PX-8 335/3 P92-7254-0114 - Peterbilt
    Price $3,004.22
    Ships Today
  6. Harness - Engine CAT C15 P92-6283-1113 - Peterbilt
    Price $1,289.32
    Ships within 72 hours
  7. Harness - Engine X15 D92-6292-1000 - Peterbilt
    Price $1,384.40
    Ships within 72 hours
  8. Harness - Chassis, 1.9M PCI P92-9477-0094500 - Peterbilt
    Price $4,040.31
    Ships within 72 hours
  9. Harness - Engine Cat C15 P92-6393-11113 - Peterbilt
    Price $2,345.13
    Ships within 72 hours
  10. Engine Harness Cummins Engine ISX15 D92-6208-856700 - Paccar
    Price $3,027.21
    Ships within 72 hours
  11. Wiring Harness - Engine J3 2247543PE - Paccar Engine
    Price $2,556.45
    Ships within 72 hours
  12. Harness - Engine 16-06983-001 - Peterbilt
    Price $1,843.18
    Ships within 72 hours
  13. Harness- Engine Cummins P92-8202-1100 - Peterbilt
    Price $2,226.30
    Ships within 72 hours
  14. Harness - Engine, Cummins K068-6647 - Kenworth
    Price $2,343.06
    Ships within 72 hours
  15. Harness - Engine MX13 2021 D92-1237-4400020 - Paccar
    Paccar Harness - Engine MX13 2021 D92-1237-4400020
    Part# D92-1237-4400020 OLD# D92-1237-3400020
    Price $1,953.26
    Ships within 72 hours
  16. Wiring Harne A9261500733 - Detroit Diesel
    Price $1,623.36
    Ships within 72 hours
  17. Main Harness A9061503133 - Detroit Diesel
    Price $1,144.43
    Ships within 72 hours
  18. Harness A4601501833 - Detroit Diesel
    Price $1,069.43
    Ships within 72 hours
  19. Harness Asm 23534172 - Detroit Diesel
    Price $4,111.10
    Ships within 72 hours
  20. Harness 23528802 - Detroit Diesel
    Price $6,756.92
    Ships within 72 hours
  21. Harness 23525136 - Detroit Diesel
    Price $1,192.57
    Ships within 72 hours
  22. Harness 23519890 - Detroit Diesel
    Price $1,170.36
    Ships within 72 hours
  23. Harness - Allison GEN 4 Trans P92-3693 - Kenworth
    Price $1,037.86
    Ships within 72 hours
  24. Mx Engine Harness P92-8294-11001250 - Paccar
    Paccar Mx Engine Harness P92-8294-11001250
    Part# P92-8294-11001250 OLD# -
    Price $1,847.30
    Ships within 72 hours
  25. HARN, Engine, P4, 10/OBD16/GHG17 S80-00051-508 - Freightliner
    Price $3,152.95
    Ships within 72 hours
  26. Engine Harness Cat 3406E 16-09606-001 - Peterbilt
    Price $2,238.64
    Ships within 72 hours
  27. Harness - Engine PX-9 2017 1.9M D92-1046-1412 - Kenworth
    Price $1,986.44
    Ships within 72 hours
  28. Engine Harness K068-6306 - Paccar
    Price $5,126.90
    Ships within 72 hours
  29. Harness - Engine, Caterpillar P92-2414-1 - Kenworth
    Price $1,918.29
    Ships within 72 hours
  30. Harness - Engine CAT P92-1694-1 - Kenworth
    Price $2,360.81
    Ships within 72 hours
  31. Engine Harness C15, 387 P92-6625-010 - Peterbilt
    Peterbilt Engine Harness C15, 387 P92-6625-010
    Part# P92-6625-010 OLD# P92-6625-000
    Price $2,167.52
    Ships within 72 hours
  32. Harness A4601502333 - Detroit Diesel
    Price $1,092.76
    Ships within 72 hours
  33. Harness - Engine Cummins ISX15 P92-9347-1000 - Peterbilt
    Price $1,169.67
    Ships within 72 hours
  34. Harness -Engine, ISX15 2013 P92-4990-32422 - Kenworth
    Price $1,078.30
    Ships within 72 hours
  35. Harness - CAT 3406E Engine 16-07976-001 - Peterbilt
    Price $1,452.27
    Ships within 72 hours
  36. Harness I Engine Cummins IS P92-9202-1000 - Peterbilt
    Price $1,314.27
    Ships within 72 hours
1-36 of 99 Items
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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.