Is your truck lacking power, struggling under load, or throwing boost-related codes? The Walker  Manifold Absolute Pressure (MAP) Sensor is designed to restore accurate boost and intake pressure readings so your engine can perform the way it was meant to. By sending precise data to your ECM, this sensor helps maintain proper fuel delivery, turbocharger performance, and overall efficiency. Whether you rely on your truck for towing, daily driving, or hard work, a properly functioning MAP sensor keeps your throttle response sharp, power consistent, and engine running smoothly.

Built for durability and long-term reliability, the Walker is constructed from high-quality, heat-resistant materials that can handle the harsh conditions of the engine bay. Its rugged design resists vibration, pressure changes, and contamination, ensuring consistent and accurate readings over time. Manufactured to meet or exceed OE specifications, this sensor is fully tested for fit, form, and function, providing a dependable direct-fit replacement that installs easily and performs reliably in demanding diesel applications.