{"product_id":"walker-250-25007-oxygen-sensor","title":"Walker 250-25007 Oxygen Sensor","description":"\u003ch2\u003eWalker OE Oxygen Sensor for Audi, Porsche, and Volkswagen\u003c\/h2\u003e\u003cp\u003eWalker Products OE 250-25007 is a heated, specific-fit oxygen sensor engineered as an OE-style replacement for select Audi, Porsche, and Volkswagen applications. It is built for upstream placement and provides the ECU with the feedback needed for accurate fuel control and emissions monitoring.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response\u003c\/li\u003e\n\u003cli\u003eSpecific fit for the listed vehicle applications\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e5-wire design with 20-gauge wiring\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for proper harness connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length: 31.02 in.; overall length: 34.57 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker Products OE 250-25007 is designed for upstream oxygen sensor locations on select 2002-2009 Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S4, TT Quattro, and A8 Quattro models, plus Porsche Cayenne and Volkswagen Passat, Phaeton, and Touareg applications. This part number is built for the specified position and engine-management feedback requirements, making it a direct replacement choice for vehicles that rely on precise air-fuel monitoring. Walker Products OE 250-25007 is part of the Walker Products OE line, which focuses on application-specific engine management components for modern import vehicles.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 15717 and Denso 234-9005 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light or malfunction indicator light related to oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003ePoor engine operation caused by incorrect air-fuel feedback\u003c\/li\u003e\n\u003cli\u003eIncreased fuel consumption from inaccurate exhaust readings\u003c\/li\u003e\n\u003cli\u003eHigher exhaust emissions from a failing upstream sensor\u003c\/li\u003e\n\u003cli\u003eStored ECU fault codes tied to the affected sensor circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConfirm the exact upstream position before installation: left, right, or front, depending on the vehicle.\u003c\/li\u003e\n\u003cli\u003eInspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion before replacement.\u003c\/li\u003e\n\u003cli\u003eVerify thread size and connector shape against the original sensor to ensure proper fitment.\u003c\/li\u003e\n\u003cli\u003eUse the vehicle’s fault codes and service information to confirm the failed sensor location before replacing parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products has produced engine management and fuel system components since 1946 and manufactures this sensor as an OE-style replacement for the listed applications. The company is ISO 9001\/TS 16949 certified, supporting consistent manufacturing and application-specific fitment.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870208688309,"sku":"DKHD-250-25007","price":104.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025007_Fro.jpg?v=1774891771","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25007-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}