Is your truck running hot, idling poorly, or throwing temp‑related codes? The Walker Engine Coolant Temperature Sensor restores accurate temperature feedback to your engine’s computer, enabling it to properly manage fuel delivery, ignition timing, and cooling system operation. When this sensor fails, your truck can suffer from poor fuel economy, rough running, and overheating warnings, but replacing it with this direct‑fit unit restores reliable temperature measurement to your engine, improving drivability and protecting your investment mile after mile.

Built to meet or exceed OEM specifications, this sensor uses high‑quality internal components and a rugged housing designed to withstand heat, vibration, and long‑term exposure to coolant and engine bay conditions. The OE‑style fit and connector make installation quick and straightforward, and the consistent, accurate signal output helps your ECM maintain efficient engine operation under all conditions. Engineered and tested for durability and reliability, this unit offers long service life and dependable performance even in demanding environments.