This OEM fuel pressure regulator for your 2004 Ford Mustang is an essential component that ensures your engine receives the precise fuel pressure needed for optimal performance. Designed specifically for the Air & Fuel Delivery system, this regulator maintains consistent fuel flow to your injectors, preventing both lean and rich running conditions that can damage your engine or rob you of power. Whether you're experiencing rough idle, poor acceleration, or failed emissions tests, a properly functioning fuel pressure regulator is critical for restoring your Mustang's reliability and performance. Built to Ford's exact specifications, this direct-fit replacement part offers the durability and precision engineering your classic pony car deserves, helping you maintain that smooth, responsive drive that makes every trip behind the wheel a pleasure.