{"product_id":"walker-350-84002-oxygen-sensor-set","title":"Walker 350-84002 Oxygen Sensor Set","description":"\u003ch2\u003eOE Replacement Oxygen Sensor Set\u003c\/h2\u003e\u003cp\u003eWalker OE Replacement Oxygen Sensor Set 350-84002 is a direct-fit emission control solution for vehicles that need accurate air-fuel feedback and stable engine management. This heated, narrow-band sensor set is built for specific applications and uses an M18 x 1.5 threaded mount with a 22 mm wrench size.\u003c\/p\u003e\u003cp\u003eWalker Products designs these O2 sensor kits to meet or exceed original equipment specifications for gas and diesel engines. The OE Replacement line focuses on standard replacement fitment for domestic and import vehicles, making 350-84002 a practical choice for routine emissions service on Ford, Mazda, Lincoln, and Mercury applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Walker OE Replacement\u003c\/li\u003e\n\u003cli\u003ePart number: 350-84002\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor design\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for listed applications\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type\u003c\/li\u003e\n\u003cli\u003eM18 - 1.5 thread size\u003c\/li\u003e\n\u003cli\u003e22 mm wrench size\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor set is engineered for vehicles that rely on precise exhaust feedback to manage fuel delivery and emissions performance. By replacing the oxygen sensors in the vehicle’s emission system, 350-84002 helps restore proper sensor response for drivability and fuel control. The Walker OE Replacement line is built for broad coverage across domestic platforms, including Ford E-150 Econoline, Ford F-150, Ford Windstar, Mazda B4000, and related applications listed below.\u003c\/p\u003e\u003cp\u003eThis part number, 350-84002, is a fitment-based replacement for vehicles such as the 1997-2001 Ford E-150 Econoline, 1999-2000 Ford F-150, and 2000-2003 Mazda B4000. It is also listed for 1996-1999 Ford Taurus and 1996-1999 Mercury Sable applications, along with additional Ford, Lincoln, and Mercury models in the same coverage range.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel ratio readings from aging oxygen sensors\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to O2 sensor performance\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy caused by slow or inaccurate sensor response\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust emissions from worn emission control sensors\u003c\/li\u003e\n\u003cli\u003eRough engine operation tied to degraded feedback signals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle’s year, make, model, and emission configuration before ordering. This is a specific-fit oxygen sensor set with threaded mounting, so the correct application match is important for proper installation. Use the listed thread size, M18 - 1.5, and wrench size, 22 mm, when verifying service access and removal tools. Fits 1997-2001 Ford E-150 Econoline, N\/A; Fits 1999-2000 Ford F-150, N\/A; Fits 2000-2003 Mazda B4000, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products states that its oxygen sensor kits are tested to meet or exceed original equipment specifications. The OE Replacement line is intended to provide dependable emissions-system service for gas and diesel applications across domestic and import vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52985194938549,"sku":"DKHD-350-84002","price":120.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35084002_Fro.jpg?v=1787122473","url":"https:\/\/www.partcatalog.com\/products\/walker-350-84002-oxygen-sensor-set","provider":"PartCatalog","version":"1.0","type":"link"}