Is your check engine light on with a knock sensor code? This Beck/Arnley 158-0821 knock sensor is a high-quality replacement designed to match the original equipment (OE) form, fit, and function exactly. That means it'll bolt right in and connect to your vehicle's wiring harness without modification. Built to withstand the harsh heat and vibrations of the engine bay, it features corrosion-resistant terminals and coatings for long-lasting reliability. The knock sensor is a critical part of your engine management system – it detects abnormal combustion (knocking) and helps the ECU adjust timing to protect your engine. Beck/Arnley sources parts globally to meet strict specifications, so you can install with confidence. Always verify this part number is correct for your specific vehicle make, model, and year before ordering. A trusted choice for DIY mechanics or professional technicians.
