Engine Wiring Harness for 2002-2003 Ford Super Duty and Excursion, F81Z-12B637-FA

Packing List: - 1x Engine Wiring Harness 7.3L Diesel, Including engine and transmission sensor connectors. - Condition: New - Compatible with: - 2002-2003 Ford Super Duty F250 V8 7.3L Diesel Automatic Transmission Engine Wiring Harness - 2002-2003 Ford Super Duty F350 V8 7.3L Diesel Automatic Transmission Engine Wiring Harness - 2002-2003 Ford F450 V8 7.3L Diesel Automatic Transmission Engine Wiring Harness - 2002-2003 Ford F550 V8 7.3L Diesel Automatic Transmission Engine Wiring Harness - 2002-2003 Ford Excursion V8 7.3L Diesel Engine Wiring Harness - Precise Fit Part Numbers: F81Z12B637FA, F81Z-12B637-FA, 12b637, 1837761C91, P659932, SWF-12B637

How To Install/Repair/Replace Wiring Harness: - Step 1: Label the wires connections using masking tapes to aid in quick installation, especially if wire colors have faded. - Step 2: Disconnect and remove the car battery from the vehicle using a socket wrench. - Step 3: Disconnect the primary connection of the engine body wire harness. - Step 4: Jack up the vehicle, disconnect all wires from underneath. - Step 5: Install the new engine wiring harness, ensuring wires are routed away from hot engine parts. Reconnect the battery to complete installation.

OEM DESIGN: - The engine wire harness is manufactured by an ISO-certified supplier to meet original manufacturer specifications, ensuring easy and confusion-free installation.

Premium Quality: - Our diesel engine wiring harness features high-quality copper core wires for efficient power transmission. The harness is resistant to corrosion, wear, and deformation, with plastic surfaces designed to withstand high temperatures, chemicals, impacts, and pressure.

Fits for: - Compatible with 2002-2003 Ford F-250, F-350, F-450, F-550 Super Duty, and Excursion with the 7.3L Diesel Engine and Automatic Transmission (California Emissions excluded). Replaces OE Part Numbers: F81Z12B637FA, F81Z-12B637-FA, 12b637, 1837761C91, P659932, SWF-12B637.

Complete Accessories: - Brand new OEM Ford Parts engine wiring harness assembly with connectors. Professional installation recommended, no instructions included. Includes new glow plug and intake heater relays. Integrated power wire and charge harness have been thoroughly inspected and upgraded for efficient transmission and enhanced drive performance.

24-Month Warranty: - Purchase with confidence, backed by a 2-year warranty. If any issues occur with the engine fuel injector complete wire harness, contact us via Amazon message for immediate assistance. Satisfaction guaranteed.

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