Walker Intake Air Temperature Sensor 98.5-02 Ram 5.9L Cummins

Is your truck running rough, losing fuel efficiency, or throwing intake air temperature codes? The Walker Air Charge Temperature (ACT) Sensor restores the accurate air temp signal your engine depends on for proper fueling and performance. This sensor reads the temperature of incoming air and sends that data to the ECM so it can adjust fuel delivery, timing, and overall drivability. When it fails, you can experience rough idle, hesitation, hard starts, or reduced power. Replacing it with this direct-fit solution brings back smooth operation, consistent performance, and reliable efficiency, whether you're daily driving or towing. Built for durability in demanding engine environments, the Walker ACT Sensor is manufactured from high-quality, heat-resistant materials that withstand extreme temperature swings, vibration, and contamination from oil and debris. Its precision-engineered sensing element ensures accurate, stable readings over time, helping prevent erratic signals that can lead to drivability problems. Engineered to meet OE specifications and fully tested for fit, form, and function, this sensor delivers long-lasting reliability and consistent performance in diesel and gas applications.