{"product_id":"wpr-242-91023","title":"Walker Products Ignition Knock Detonation Sensor - 242-91023","description":"\u003ch2\u003eProduct Information\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Walker Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e Ignition Knock Detonation Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Ignition Knock (Detonation) Sensor - Full Service Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 242-91023\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 1.0\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWalker Products Ignition Knock (Detonation) Sensors are OE Replacement components that monitor engine vibrations to detect knocking or detonation events. These sensors are a critical part of the engine control system, allowing the ECU to adjust ignition timing in real time to prevent spark knock—a condition that can cause internal engine damage, reduced fuel economy, and drivability issues. Walker Knock Sensors are engineered to match OE specifications for frequency range, sensitivity, and electrical output. Each unit is tuned to detect the specific resonant frequency of knock in a given engine platform, enabling precise spark retard when knock is detected. Built from high-quality, heat- and oil-resistant materials, these sensors are designed to endure the harsh conditions of the engine block and cylinder head. With exact OE fitment, Walker Knock Sensors install directly into the original threaded locations and connect using factory-style electrical terminals. Whether addressing a fault code (e.g., P0325, P0330), correcting timing issues, or replacing a failed sensor, Walker Knock Sensors restore proper knock detection, improve engine safety, and support optimal ignition performance across a wide range of gasoline applications.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDetects Engine Knock: Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.\u003c\/li\u003e\n\u003cli\u003eRestores Ignition Timing Accuracy: Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.\u003c\/li\u003e\n\u003cli\u003eExact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.\u003c\/li\u003e\n\u003cli\u003eBuilt for Harsh Environments: Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.\u003c\/li\u003e\n\u003cli\u003eOE Replacement Sensitivity: Calibrated to match factory frequency response and output for seamless ECU integration and spark control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003e1 years\u003c\/p\u003e\u003ch2\u003eCountry of Origin\u003c\/h2\u003e\u003cp\u003eChina\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eSee the fitment table for engine, trim and other application details.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1997 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1997 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1996 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1996 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1996 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1996 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C1500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C2500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet G20\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet K1500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet K2500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e1995 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1995 GMC C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 GMC C2500\u003c\/li\u003e\n\u003cli\u003e1995 GMC C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1995 GMC G2500\u003c\/li\u003e\n\u003cli\u003e1995 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1995 GMC K1500\u003c\/li\u003e\n\u003cli\u003e1995 GMC K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 GMC K2500\u003c\/li\u003e\n\u003cli\u003e1995 GMC K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1995 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1995 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1995 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet G10\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet G20\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1994 GMC C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 GMC C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1994 GMC G1500\u003c\/li\u003e\n\u003cli\u003e1994 GMC G2500\u003c\/li\u003e\n\u003cli\u003e1994 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1994 GMC K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 GMC K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1994 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1994 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1994 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e1993 Cadillac Fleetwood\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet C1500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet C2500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet G10\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet G20\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet K1500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet K2500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1993 GMC C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 GMC C2500\u003c\/li\u003e\n\u003cli\u003e1993 GMC C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1993 GMC G1500\u003c\/li\u003e\n\u003cli\u003e1993 GMC G2500\u003c\/li\u003e\n\u003cli\u003e1993 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1993 GMC K1500\u003c\/li\u003e\n\u003cli\u003e1993 GMC K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 GMC K2500\u003c\/li\u003e\n\u003cli\u003e1993 GMC K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1993 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1993 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1993 GMC Safari\u003c\/li\u003e\n\u003cli\u003e1993 GMC Typhoon\u003c\/li\u003e\n\u003cli\u003e1993 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet Astro\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet C1500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet C2500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet G10\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet G20\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet K1500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet K2500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1992 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1992 GMC C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 GMC C2500\u003c\/li\u003e\n\u003cli\u003e1992 GMC C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1992 GMC G1500\u003c\/li\u003e\n\u003cli\u003e1992 GMC G2500\u003c\/li\u003e\n\u003cli\u003e1992 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1992 GMC K1500\u003c\/li\u003e\n\u003cli\u003e1992 GMC K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 GMC K2500\u003c\/li\u003e\n\u003cli\u003e1992 GMC K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1992 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1992 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1992 GMC Safari\u003c\/li\u003e\n\u003cli\u003e1992 GMC Typhoon\u003c\/li\u003e\n\u003cli\u003e1992 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e1992 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet C1500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet C2500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet G10\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet G20\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet G30\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet K1500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet K2500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet R1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet R2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet R3500\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet V1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet V2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet V3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1991 GMC C2500\u003c\/li\u003e\n\u003cli\u003e1991 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC G1500\u003c\/li\u003e\n\u003cli\u003e1991 GMC G2500\u003c\/li\u003e\n\u003cli\u003e1991 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC Jimmy\u003c\/li\u003e\n\u003cli\u003e1991 GMC K1500\u003c\/li\u003e\n\u003cli\u003e1991 GMC K2500\u003c\/li\u003e\n\u003cli\u003e1991 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC R1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 GMC R2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 GMC R3500\u003c\/li\u003e\n\u003cli\u003e1991 GMC Syclone\u003c\/li\u003e\n\u003cli\u003e1991 GMC V1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 GMC V2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1991 GMC V3500\u003c\/li\u003e\n\u003cli\u003e1991 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1990 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1990 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1990 Chevrolet P30\u003c\/li\u003e\n\u003cli\u003e1990 GMC P3500\u003c\/li\u003e\n\u003cli\u003e1990 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58455149707567,"sku":"WPR-242-91023","price":66.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/242-91023_1.jpg?v=1789176475","url":"https:\/\/partspioneer.com\/products\/wpr-242-91023","provider":"Parts Pioneer","version":"1.0","type":"link"}