{"product_id":"wpr-242-1052","title":"Walker Products Ignition Knock Detonation Sensor - 242-1052","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 242-1052\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\u003eOE Replacement Sensitivity: Calibrated to match factory frequency response and output for seamless ECU integration and spark control.\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\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\u003eBuilt for Harsh Environments: Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.\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\u003eMexico\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\u003e2011 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2010 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2010 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2010 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2010 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2010 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2009 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2009 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2009 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2009 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2009 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2009 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2008 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2008 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2008 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2008 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2008 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2008 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2007 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2007 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2007 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2007 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2007 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2007 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2006 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2006 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2006 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2006 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2006 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2005 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2005 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2005 Ford Mustang\u003c\/li\u003e\n\u003cli\u003e2005 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2005 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2005 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2004 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2004 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2004 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2004 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2004 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2003 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2003 Ford Explorer Sport\u003c\/li\u003e\n\u003cli\u003e2003 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2003 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2003 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2003 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2002 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2002 Ford Explorer Sport\u003c\/li\u003e\n\u003cli\u003e2002 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2002 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2002 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2002 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2001 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2001 Ford Explorer Sport\u003c\/li\u003e\n\u003cli\u003e2001 Ford Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003e2001 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2001 Mazda B4000\u003c\/li\u003e\n\u003cli\u003e2001 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e2000 Ford E-150 Econoline\u003c\/li\u003e\n\u003cli\u003e2000 Ford E-150 Econoline Club Wagon\u003c\/li\u003e\n\u003cli\u003e2000 Ford E-250 Econoline\u003c\/li\u003e\n\u003cli\u003e2000 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e2000 Ford Ranger\u003c\/li\u003e\n\u003cli\u003e2000 Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003e1999 Ford E-150 Econoline\u003c\/li\u003e\n\u003cli\u003e1999 Ford E-150 Econoline Club Wagon\u003c\/li\u003e\n\u003cli\u003e1999 Ford E-250 Econoline\u003c\/li\u003e\n\u003cli\u003e1999 Ford Explorer\u003c\/li\u003e\n\u003cli\u003e1999 Mercury Mountaineer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58455117889839,"sku":"WPR-242-1052","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/242-1052_1.jpg?v=1789175804","url":"https:\/\/partspioneer.com\/products\/wpr-242-1052","provider":"Parts Pioneer","version":"1.0","type":"link"}