Maximize uptime and minimize costly repairs with the HOLSTEIN 2KNC0081~4H knock sensor. Engine knock, or detonation, is a serious issue that can lead to catastrophic engine failure. This advanced sensor from HOLSTEIN provides precise and reliable detection of engine knock, allowing your vehicle's ECU to proactively adjust ignition timing, preventing damage before it occurs. This proactive approach translates directly into reduced maintenance costs, extended engine lifespan, and improved fuel efficiency. The HOLSTEIN 2KNC0081~4H is engineered for heavy-duty use, ensuring it can withstand the demanding conditions of your fleet operations. By investing in quality components like this knock sensor, you're investing in the longevity and reliability of your entire fleet. Don't risk expensive engine repairs; choose the HOLSTEIN 2KNC0081~4H and experience the peace of mind that comes with knowing your engines are protected. Our commitment to quality ensures you receive a high-performing part that meets the stringent demands of heavy-duty applications. Order yours today and experience the difference a reliable knock sensor makes. Improve your fleet's efficiency, lower maintenance costs, and protect your bottom line with the HOLSTEIN 2KNC0081~4H.