BTR Engine Wiring Harness for Ford (2003) 6.0L (3C3Z-12B637-AB) (pre 1/30/03)

Upgrade your 2003 (build date before 1/30/03) Ford 6.0L truck with the BTR Engine Wiring Harness, a high-quality replacement for the discontinued OEM Ford 3C3Z-12B637-AB part. As part of the BTR brand, which specializes in electrical components, this wiring harness ensures optimal performance and durability. Designed as a direct replacement, it offers the best solution to replace the original engine harness.

The BTR Engine Wiring Harness is crafted to meet or exceed OEM standards, guaranteeing a precise fit and reliable functionality. To further enhance your truck's electrical system, consider adding the FICM (Fuel Injection Control Module) harness in the add-on options. This additional harness is essential for trucks with integrated FICM harness and is recommended for all customers to replace alongside the main engine wiring harness.

Ensure your vehicle's electrical system is running smoothly with the BTR Engine Wiring Harness, providing you with the quality and reliability you need for optimal performance.

Cross Reference Part Numbers:
• 3C3Z-12B637-AB

• 3C3Z12B637AB

• 3C3Z-12B637-AA

• 3C3Z12B637AA

• 9D930

• 9C981

• 12B637

• 1847045C9

• 1844385C9

• 1843476C9