Hearing that annoying pinging or knocking sound from your engine? That's detonation happening, and it can seriously damage your motor over time. This Holstein Parts knock sensor is the exact replacement you need to protect your engine investment. It's precision-engineered to match OE specifications perfectly, so it fits right in without any modifications needed. The sensor listens for those dangerous knocking sounds and tells your vehicle's computer to adjust the timing before damage occurs. Made with premium materials that can handle the intense heat under your hood, this sensor is built to last through years of driving. Installation is straightforward with the exact OE connectors and mounting points - no wrestling with weird fittings or making things work. We've fully tested every sensor to ensure the voltage matches factory specs, so you get reliable performance from day one. Compatible with tons of Chrysler, Dodge, and Jeep vehicles from 2003-2022 including 200, 300, Pacifica, Challenger, Charger, Durango, Grand Cherokee, Ram trucks, and many more. Backed by a solid 3-year/36,000-mile warranty because we actually believe in our parts. Stop that engine knocking before it stops your engine - this sensor could save you from some seriously expensive repairs down the road.