The Valve Cover Gasket Internal Wiring Harness is a high-quality replacement part for 1997-2003 7.3L Ford Powerstroke engines. This internal wiring harness is responsible for connecting the various electrical components in the valve cover to the engine's wiring harness. It is made of durable materials and is designed to withstand the high temperatures and pressures of the engine. This internal wiring harness is easy to install and is a direct replacement for the factory part. With a one year unlimited mileage warranty, you can trust that it's built to last. Replace your worn or damaged valve cover wiring harness with this high-quality replacement and keep your engine running smoothly.