Walker Oil Pressure Switch 11-16 GM 6.6L Duramax LML

Is your truck’s dashboard showing false oil pressure warnings? The Walker Oil Pressure Switch restores accurate oil pressure feedback to your engine management system, enabling it to monitor and report real-time engine health properly. A failing oil pressure switch can trigger warning lights, erratic gauges, and even put your truck into limp mode, but installing this direct‑fit replacement restores confidence in your oil system monitoring, helping you know your engine is truly protected.

Built to meet or exceed OEM standards, this pressure switch features a durable housing and quality internal contacts designed to withstand engine bay heat, vibration, and daily service conditions. It installs easily into the factory port, delivers consistent and accurate pressure signals, and helps eliminate false warnings and miscommunication between sensors and your vehicle’s computer. Engineered for long‑term reliability, it provides dependable performance mile after mile.