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GM OEM L5P Engine Wiring Harness (2020-2021 & Early 2022)

Fits: 2020-2021 & Early 2022 GM/Duramax
Pricing: $284.59


GM OEM L5P Engine Wiring Harness

GM OEM Engine Wiring Harness L5P. Harness includes connector leads to the following: Injectors, Glow Plugs, Glow Plug Module, Turbo Sensor, FPR, Fuel Rail Sensor, Cam Sensor, Crank Sensor, Fuel Temp Sensor, Y-Bridge Sensor, Fuel filter Housing Sensor(2), Bail Connectors(2), Coolant Temp Sensor, Passenger block ground. (Harness connections Vary)

No Returns on Electrical Harness if Packaging is open.

It is always advisable to Call with your Vin number to check fitment and the Build date (located in the Drivers Side Door Jamb)


  • 12723783
  • 12723783
  • GM
  • New


Shipping Information

  • Item Requires Shipping
  • 6.0 lbs.
  • W13.0000” x H6.0000” x L24.0000”

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