2003 Jeep Wrangler TJ Rubicon 4.0L Engine Wiring Harness | 56044124AD
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$599.99

 This genuine OEM Mopar engine bay injector wiring harness delivers factory-grade electrical reliability for your 4.0L powertrain. Pulled directly from a running and driving 2003 Jeep Wrangler TJ Rubicon, it features intact connectors and shielding, making it completely ready for a direct plug-and-play installation. Avoid fragile aftermarket alternatives and restore original voltage and signal performance to your engine electronics. 


 

 


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Don't settle for cheap, aftermarket wiring harnesses that use thin-gauge wires, brittle plastic connectors, or fail to deliver the proper voltage to vital engine sensors. This is a genuine OEM Mopar salvage engine bay injector wiring harness, guaranteeing the exact factory wire calibration, heavy-duty weather shielding, and flawless terminal fitment your Jeep Wrangler requires. Opting for authentic salvage components ensures all factory pinouts match your existing PCM and powertrain layout perfectly, preventing frustrating phantom electrical codes and saving you from tedious custom wire splicing.

Product Condition & Features

  • Fully Tested & Verified: Cleanly uninstalled from a running and driving donor vehicle with all vital circuit pathways fully functioning.
  • Complete Factory Loom: Houses the primary engine bay paths, fuel injector leads, and essential powertrain sensor connectors.
  • Intact Shielding: Retains high-quality factory heat shielding and original terminal clips to withstand high engine-bay temperatures.
  • Zero Splicing Needed: Standard factory configuration means a simple drop-in replacement that plugs straight into your factory electronics.

Fitment & Vehicle Compatibility

  • Year: 2003
  • Make/Model: Jeep Wrangler (TJ)
  • Trim: Rubicon (Can fit other TJ trims equipped with matching powertrain specs)
  • Engine: 4.0L Inline-6
  • Transmission: Automatic Transmission (AT)

OEM Interchange Part Numbers

  • Primary Mopar Part Number: 56044124AD
  • Interchangeable / Superseding Numbers: 56044073AD, 56047079AE
  • Internal SKU: 503955

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Year Name Description
2003-2003 Jeep Wrangler TJ

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