{"product_id":"walker-250-24953-oxygen-sensor","title":"Walker 250-24953 Oxygen Sensor - Center, Downstream Left or Upstream","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-24953\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-24953 is designed specifically for select Audi and Volkswagen models, including the A4, A4 Quattro, A6, A6 Quattro, Bora, and Polo. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi and Volkswagen vehicles\u003c\/li\u003e\n\u003cli\u003e21.18-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eOverall length of 24.72 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products OE features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings. The wiring harness length of 21.18 inches provides sufficient reach for installation in the exhaust system of compatible Audi and Volkswagen models. The sensor mounts via a threaded connection with an 18.0 mm diameter, a common size for these vehicles. The radiused polygon male connector ensures a secure and precise fit, reducing the risk of connection issues. With a wire gauge of 20, the sensor maintains signal integrity under various operating conditions.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is engineered to match the exact fit and function required by Audi and Volkswagen vehicles, supporting proper emissions control and engine management systems. Choosing a Walker Products OE sensor helps maintain vehicle performance and compliance with emissions standards.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter operation\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003ePrevents drivability problems linked to incorrect sensor data\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removing the old oxygen sensor and threading the new sensor into the exhaust manifold or pipe. The 18.0 mm threaded mounting type is compatible with factory sensor ports on the specified Audi and Volkswagen models. Ensure the radiused polygon male connector is securely attached to the vehicle wiring harness. Avoid damaging the wiring harness during installation and verify the sensor wiring matches the vehicle’s connector configuration. It is recommended to use anti-seize compound on the threads to facilitate future removal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-24953 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Audi and Volkswagen vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532981141685,"sku":"DKHD-250-24953","price":86.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024953_Fro.jpg?v=1774891762","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24953-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}