Is your truck’s outside temperature reading wrong, or is your HVAC logic acting inconsistently? The Walker Ambient Air Temperature Sensor restores accurate ambient temperature feedback to your vehicle’s computer and climate control system. Replacing it with this direct‑fit unit restores reliable outside‑air measurement, allowing your truck to adjust performance, climate, and emissions logic correctly.

Built to meet or exceed OEM standards, this ambient air temperature sensor features high‑quality internal sensing elements and a rugged housing that withstands heat, vibration, and the elements. It installs easily as a direct replacement and delivers consistent, accurate temperature signals to your ECM and climate system. Designed and tested for long life, it helps eliminate incorrect readings and restore dependable performance mile after mile.