Engine Wiring Harnesses

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For Reference Only - Some Applications May Vary.


29 Items
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  1. Harness Wiring - Engine 4377400 - Cummins
    Price $213.85
    Ships Today
  2. Injector Wiring A9361500437 - Detroit Diesel
    Detroit Diesel Injector Wiring A9361500437
    Part# A9361500437 OLD# A9361500137
    Price $220.61
    Ships within 72 hours
  3. Injector Wire A9261500337 - Detroit Diesel
    Price $217.44
    Ships within 72 hours
  4. Injector Wir A9261500037 - Detroit Diesel
    Price $277.76
    Ships within 72 hours
  5. Wire Harness A4721504033 - Detroit Diesel
    Price $226.97
    Ships within 72 hours
  6. Elect Wiring A4721502133 - Detroit Diesel
    Price $206.33
    Ships within 72 hours
  7. Harness A4721501533 - Detroit Diesel
    Price $283.73
    Ships within 72 hours
  8. Eng. Harness A4601500233 - Detroit Diesel
    Price $296.66
    Ships within 72 hours
  9. Fuel Pressure Sensor A0111539328 - Detroit Diesel
    Price $251.26
    Ships within 72 hours
  10. Harness 23531078 - Detroit Diesel
    Price $246.01
    Ships within 72 hours
  11. M-Harness P 23530362 - Detroit Diesel
    Price $282.53
    Ships within 72 hours
  12. C-Hrns Asm (P) 23528727 - Detroit Diesel
    Price $266.66
    Ships within 72 hours
  13. Harness 23536019 - Detroit Diesel
    Price $209.51
    Ships within 72 hours
  14. Harness Assembly 313-4911 - CAT
    Price $239.95
    Ships within 72 hours
  15. Harness Assembly 313-4910 - CAT
    Price $289.18
    Ships within 72 hours
  16. Harness P 23532060 - Detroit Diesel
    Price $277.76
    Ships within 72 hours
  17. Harness - Engine W/Smart Wheel P92-4102-001 - Kenworth
    Price $225.01 Original price $238.29
    Ships within 72 hours
  18. Harness - Heater, Engine K068-5616-27-6 - Paccar
    Price $280.16
    Ships within 72 hours
  19. Engine Heater Harness K068-5616-22-8 - Paccar
    Price $293.83
    Ships within 72 hours
  20. Harness-Wiring 4377403 - Cummins
    Price $267.94
    Ships within 72 hours
  21. Harness Wiring 4973486 - Cummins
    Price $202.41
    Ships within 72 hours
  22. Harness Wiring - Engine 4969632 - Cummins
    Price $248.51
    Ships within 72 hours
  23. Wiring Harness - Engine 3686370 - Cummins
    Price $255.79
    Ships within 72 hours
  24. Injector Harness, 4-5-6 - Rear 2144945PE - Paccar Engine
    Price $216.01
    Ships within 72 hours
  25. Injector Harness, 1-2-3 - Front 2144944PE - Paccar Engine
    Price $216.01
    Ships within 72 hours
  26. Harness-Heater Engine W/O Thermostat K068-5616-23-5 - Paccar
    Price $288.34
    Ships within 72 hours
  27. Wiring Harness 4331306 - Cummins
    Price $234.16
    Ships within 72 hours
  28. Electronic Control Module Wiring Harness 2864516 - Cummins
    Price $254.63
    Ships within 3 to 6 weeks
  29. Wiring Harness 4331263 - Cummins
    Price $211.25
    Ships within 3 to 6 weeks
29 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.