{"product_id":"wpr-256-1001","title":"Walker Products Engine Oil Pressure Switch - 256-1001","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 Engine Oil Pressure Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Engine Oil Pressure Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 256-1001\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 Engine Oil Pressure Switches are OE Replacement components engineered to monitor oil pressure and alert the ECU or driver when levels fall below safe limits. These switches serve as critical warning devices that activate dashboard lights or feed signals to engine control systems when oil pressure drops, helping prevent severe internal damage due to lack of lubrication. Common symptoms of failure include oil light flickering, false warnings, or lack of signal under actual low-pressure conditions. Walker switches are manufactured to match OE specifications for pressure thresholds, thread size, terminal type, and electrical response. Each unit is built with high-temperature and oil-resistant materials to ensure consistent performance under prolonged engine exposure. Designed for exact OE fit, these switches thread directly into the factory location—typically the engine block or oil filter housing—and connect to existing wiring with no modifications. Whether used as part of a scheduled service, drivability repair, or engine rebuild, Walker Oil Pressure Switches provide dependable pressure monitoring and help extend engine life by maintaining early warning functionality within the lubrication system.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents Engine Damage: Helps protect vital components by alerting the driver or system to low oil pressure conditions.\u003c\/li\u003e\n\u003cli\u003eExact OE Fit: Installs directly in the factory location using original threads and connectors—no modifications required.\u003c\/li\u003e\n\u003cli\u003eOE Replacement Calibration: Matches original specs for pressure activation point, thread pitch, and electrical response.\u003c\/li\u003e\n\u003cli\u003eMonitors Oil Pressure Levels: Activates dashboard warning or ECU input when oil pressure falls below safe operating thresholds.\u003c\/li\u003e\n\u003cli\u003eEngineered for Harsh Conditions: Built to resist high temperatures, oil exposure, and vibration in demanding engine environments.\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\u003e2009 Pontiac G8\u003c\/li\u003e\n\u003cli\u003e2008 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2008 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2008 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2008 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Avalanche\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Trailblazer\u003c\/li\u003e\n\u003cli\u003e2008 GMC Envoy\u003c\/li\u003e\n\u003cli\u003e2008 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2008 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2008 GMC W3500 Forward\u003c\/li\u003e\n\u003cli\u003e2008 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2008 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2008 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2008 Isuzu NPR-HD\u003c\/li\u003e\n\u003cli\u003e2008 Pontiac G8\u003c\/li\u003e\n\u003cli\u003e2008 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2008 Saab 9-7x\u003c\/li\u003e\n\u003cli\u003e2007 Buick Rainier\u003c\/li\u003e\n\u003cli\u003e2007 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2007 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2007 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2007 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Avalanche\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 1500 Classic\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 1500 HD Classic\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 2500 HD Classic\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 3500 Classic\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Trailblazer\u003c\/li\u003e\n\u003cli\u003e2007 GMC Envoy\u003c\/li\u003e\n\u003cli\u003e2007 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 1500 Classic\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 1500 HD Classic\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 2500 HD Classic\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 3500 Classic\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2007 GMC W3500 Forward\u003c\/li\u003e\n\u003cli\u003e2007 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2007 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2007 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2007 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2007 Saab 9-7x\u003c\/li\u003e\n\u003cli\u003e2006 Buick Rainier\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Avalanche 1500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 1500 HD\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet SSR\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Trailblazer\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003e2006 GMC Envoy\u003c\/li\u003e\n\u003cli\u003e2006 GMC Envoy XL\u003c\/li\u003e\n\u003cli\u003e2006 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 1500 HD\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2006 GMC W3500 Forward\u003c\/li\u003e\n\u003cli\u003e2006 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2006 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2006 Isuzu Ascender\u003c\/li\u003e\n\u003cli\u003e2006 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2006 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2006 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2006 Saab 9-7x\u003c\/li\u003e\n\u003cli\u003e2005 Buick Rainier\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Avalanche 1500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 1500 HD\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet SSR\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003e2005 GMC Envoy\u003c\/li\u003e\n\u003cli\u003e2005 GMC Envoy XL\u003c\/li\u003e\n\u003cli\u003e2005 GMC Envoy XUV\u003c\/li\u003e\n\u003cli\u003e2005 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 1500 HD\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2005 GMC W3500 Forward\u003c\/li\u003e\n\u003cli\u003e2005 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2005 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2005 Isuzu Ascender\u003c\/li\u003e\n\u003cli\u003e2005 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2005 Saab 9-7x\u003c\/li\u003e\n\u003cli\u003e2004 Buick Rainier\u003c\/li\u003e\n\u003cli\u003e2004 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2004 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2004 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2004 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Avalanche 1500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet SSR\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003e2004 GMC Envoy XL\u003c\/li\u003e\n\u003cli\u003e2004 GMC Envoy XUV\u003c\/li\u003e\n\u003cli\u003e2004 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2004 GMC W3500 Forward\u003c\/li\u003e\n\u003cli\u003e2004 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2004 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2004 Isuzu Ascender\u003c\/li\u003e\n\u003cli\u003e2004 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2004 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2003 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2003 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2003 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Avalanche 1500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Express 1500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 1500 HD\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet SSR\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Suburban 1500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003e2003 GMC Envoy XL\u003c\/li\u003e\n\u003cli\u003e2003 GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 1500 HD\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2003 GMC Yukon XL 1500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003e2003 Isuzu Ascender\u003c\/li\u003e\n\u003cli\u003e2003 Isuzu NPR\u003c\/li\u003e\n\u003cli\u003e2002 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2002 Cadillac Escalade EXT\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1997 Chevrolet Corvette\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58454889955631,"sku":"WPR-256-1001","price":73.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/256-1001_1.jpg?v=1789168870","url":"https:\/\/partspioneer.ca\/products\/wpr-256-1001","provider":"Parts Pioneer","version":"1.0","type":"link"}