This Glow Plug Harness is a must - have for your 2004 - 2007 Ford F - Series and E - Series with a 6.0L Powerstroke engine (built after 01/15/04). The Motorcraft P - 5C3Z - 12A690 - A is a genuine Ford replacement part. It is designed to replace your old, cracked harness on the driver's (left) side. With its high - quality OEM construction, it ensures reliable performance for your vehicle. OEM Part Number: 1854497c93, Ford Part Number: P - 5C3Z - 12A690 - A.

Using this glow plug harness is easy. First, make sure your vehicle's engine is cool. Then, locate the old, cracked harness on the driver's side of the engine. Disconnect the old harness carefully and connect the new P - 5C3Z - 12A690 - A harness in its place. Ensure all connections are secure. When it comes to maintenance, it's a good idea to check the harness periodically for any signs of wear or damage. If you notice any issues, replace it promptly. Remember, always follow your vehicle's maintenance schedule for the best performance.