{"product_id":"wpr-242-1020","title":"Walker Products Ignition Knock Detonation Sensor - 242-1020","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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 242-1020\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\u003eBuilt for Harsh Environments: Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.\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\u003eOE Replacement Sensitivity: Calibrated to match factory frequency response and output for seamless ECU integration and spark control.\u003c\/li\u003e\n\u003cli\u003eDetects Engine Knock: Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.\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\u003c\/ul\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003e1 years\u003c\/p\u003e\u003ch2\u003eCountry of Origin\u003c\/h2\u003e\u003cp\u003eTaiwan\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\u003e2009 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2008 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2008 Buick Lucerne\u003c\/li\u003e\n\u003cli\u003e2008 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2007 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2007 Buick Lucerne\u003c\/li\u003e\n\u003cli\u003e2007 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2006 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2006 Buick Lucerne\u003c\/li\u003e\n\u003cli\u003e2006 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2005 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2005 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2005 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2004 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2004 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2004 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2004 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2004 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2003 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2003 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2003 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2003 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2003 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2002 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2002 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2002 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2001 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2001 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2001 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2000 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e2000 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e2000 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1999 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e1999 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e1999 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1999 Buick Riviera\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Lumina\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1998 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e1998 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e1998 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1998 Buick Riviera\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Lumina\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1998 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e1998 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1998 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1997 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e1997 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e1997 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1997 Buick Riviera\u003c\/li\u003e\n\u003cli\u003e1997 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1997 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e1997 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1997 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1996 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e1996 Buick Park Avenue\u003c\/li\u003e\n\u003cli\u003e1996 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1996 Buick Riviera\u003c\/li\u003e\n\u003cli\u003e1996 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1996 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e1996 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58455114678575,"sku":"WPR-242-1020","price":183.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/242-1020_1.jpg?v=1789175697","url":"https:\/\/partspioneer.com\/products\/wpr-242-1020","provider":"Parts Pioneer","version":"1.0","type":"link"}