This genuine 2004 Ford Mustang Air & Fuel Delivery Module and Sensor assembly is the perfect solution for restoring your classic pony car's optimal performance and fuel efficiency. Designed specifically for the '04 Mustang's 3.8L V6 or 4.6L V8 engine, this OEM-quality component ensures precise air-fuel mixture monitoring and delivery, helping eliminate rough idling, poor acceleration, and check engine lights caused by faulty sensors. Whether you're maintaining a daily driver or restoring a weekend cruiser, this direct-fit replacement module will have your Mustang running smooth and strong, just like it did rolling off the Dearborn assembly line. Don't let aging fuel delivery components rob your Mustang of its legendary performance – invest in this reliable, tested component and experience the difference proper air-fuel management makes in throttle response, fuel economy, and overall engine health.