{"product_id":"wpr-256-1131","title":"Walker Products Engine Oil Pressure Switch - 256-1131","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 256-1131\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\u003eExact OE Fit: Installs directly in the factory location using original threads and connectors—no modifications required.\u003c\/li\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\u003eMonitors Oil Pressure Levels: Activates dashboard warning or ECU input when oil pressure falls below safe operating thresholds.\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\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\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\u003e2021 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2021 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2021 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2020 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2020 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2020 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2019 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2019 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2019 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2018 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2018 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2018 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2017 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2017 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2017 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2016 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2016 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2016 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2015 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2015 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2015 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2014 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2014 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2014 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2013 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2013 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2013 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2012 Nissan NV1500\u003c\/li\u003e\n\u003cli\u003e2012 Nissan NV2500\u003c\/li\u003e\n\u003cli\u003e2012 Nissan NV3500\u003c\/li\u003e\n\u003cli\u003e2009 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2008 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2008 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2007 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2007 Nissan Murano\u003c\/li\u003e\n\u003cli\u003e2007 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2006 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2006 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2006 Nissan Murano\u003c\/li\u003e\n\u003cli\u003e2006 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2005 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2005 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2005 Nissan Murano\u003c\/li\u003e\n\u003cli\u003e2005 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2004 INFINITI I35\u003c\/li\u003e\n\u003cli\u003e2004 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2004 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2004 Nissan Murano\u003c\/li\u003e\n\u003cli\u003e2004 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2003 INFINITI I35\u003c\/li\u003e\n\u003cli\u003e2003 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2003 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2003 Nissan Murano\u003c\/li\u003e\n\u003cli\u003e2002 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2002 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2002 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2001 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e2001 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e2001 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e2001 INFINITI QX4\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Frontier\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e2001 Nissan Xterra\u003c\/li\u003e\n\u003cli\u003e2000 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e2000 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e2000 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e2000 INFINITI QX4\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Frontier\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e2000 Nissan Xterra\u003c\/li\u003e\n\u003cli\u003e1999 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1999 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e1999 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1999 INFINITI QX4\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Frontier\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1999 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1998 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e1998 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1998 INFINITI QX4\u003c\/li\u003e\n\u003cli\u003e1998 Nissan 200SX\u003c\/li\u003e\n\u003cli\u003e1998 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Frontier\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1998 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1997 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e1997 INFINITI J30\u003c\/li\u003e\n\u003cli\u003e1997 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1997 INFINITI QX4\u003c\/li\u003e\n\u003cli\u003e1997 Nissan 200SX\u003c\/li\u003e\n\u003cli\u003e1997 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Pickup\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1997 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1996 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1996 INFINITI I30\u003c\/li\u003e\n\u003cli\u003e1996 INFINITI J30\u003c\/li\u003e\n\u003cli\u003e1996 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1996 Nissan 200SX\u003c\/li\u003e\n\u003cli\u003e1996 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Pathfinder\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Pickup\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1996 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1995 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1995 INFINITI J30\u003c\/li\u003e\n\u003cli\u003e1995 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1995 Nissan 200SX\u003c\/li\u003e\n\u003cli\u003e1995 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1995 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1995 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1995 Nissan Pickup\u003c\/li\u003e\n\u003cli\u003e1995 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1995 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1994 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1994 INFINITI J30\u003c\/li\u003e\n\u003cli\u003e1994 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1994 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1994 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1994 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1994 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1994 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1994 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1993 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1993 INFINITI J30\u003c\/li\u003e\n\u003cli\u003e1993 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1993 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1993 Nissan Altima\u003c\/li\u003e\n\u003cli\u003e1993 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1993 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1993 Nissan NX\u003c\/li\u003e\n\u003cli\u003e1993 Nissan Quest\u003c\/li\u003e\n\u003cli\u003e1993 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1992 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1992 INFINITI M30\u003c\/li\u003e\n\u003cli\u003e1992 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1992 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1992 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1992 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1992 Nissan NX\u003c\/li\u003e\n\u003cli\u003e1992 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1992 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1991 INFINITI G20\u003c\/li\u003e\n\u003cli\u003e1991 INFINITI M30\u003c\/li\u003e\n\u003cli\u003e1991 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1991 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1991 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1991 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1991 Nissan NX\u003c\/li\u003e\n\u003cli\u003e1991 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1991 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1990 INFINITI M30\u003c\/li\u003e\n\u003cli\u003e1990 INFINITI Q45\u003c\/li\u003e\n\u003cli\u003e1990 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1990 Nissan Axxess\u003c\/li\u003e\n\u003cli\u003e1990 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1990 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1990 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1990 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1990 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1989 Nissan 240SX\u003c\/li\u003e\n\u003cli\u003e1989 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1989 Nissan Maxima\u003c\/li\u003e\n\u003cli\u003e1989 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1989 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1989 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1988 Nissan D21\u003c\/li\u003e\n\u003cli\u003e1988 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1988 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1988 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1988 Nissan Van\u003c\/li\u003e\n\u003cli\u003e1987 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1987 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1987 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1987 Nissan Van\u003c\/li\u003e\n\u003cli\u003e1986 Nissan 720\u003c\/li\u003e\n\u003cli\u003e1986 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1986 Nissan Sentra\u003c\/li\u003e\n\u003cli\u003e1986 Nissan Stanza\u003c\/li\u003e\n\u003cli\u003e1985 Nissan 720\u003c\/li\u003e\n\u003cli\u003e1985 Nissan Pulsar NX\u003c\/li\u003e\n\u003cli\u003e1985 Nissan Sentra\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58454894969135,"sku":"WPR-256-1131","price":42.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/256-1131_1.jpg?v=1789169083","url":"https:\/\/partspioneer.com\/products\/wpr-256-1131","provider":"Parts Pioneer","version":"1.0","type":"link"}