Walker Crankshaft Position Sensor (CKP) 01-04 GM 6.6L Duramax LB7

Is your truck struggling with hard starts, stalling, or random timing codes because your engine can’t read crank position accurately? The Walker Crankshaft Position Sensor restores precise crank signal feedback to your truck’s ECM so it can properly control fuel injection and ignition timing. When the CKP sensor starts to fail, your engine may hesitate, misfire, run rough, or not start at all, but swapping in this direct‑fit replacement brings dependable starting, smoother operation, and consistent performance you can rely on every time you turn the key. Built to meet or exceed OEM specs, this sensor uses high‑quality internal components and rugged construction designed to handle extreme heat, vibration, and long‑term engine service. It installs easily as a direct replacement and delivers a consistent, accurate signal output to help maintain precise timing and combustion control. Engineered and tested for reliability, it ensures long service life and dependable performance mile after mile in harsh diesel environments.