{"product_id":"walker-250-25111-oxygen-sensor","title":"Walker 250-25111 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-25111 Oxygen Sensor for Audi A8 Quattro\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE 250-25111 oxygen sensor is designed specifically for the Audi A8 Quattro, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi A8 Quattro models\u003c\/li\u003e\n\u003cli\u003e33.07-inch wiring harness length for flexible placement\u003c\/li\u003e\n\u003cli\u003e20-gauge wire with 5-wire quantity for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 35.43 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker 250-25111 oxygen sensor is engineered with a heated sensor type to provide faster response times and improved fuel efficiency. The 33.07-inch wiring harness length allows for convenient routing within the engine bay, while the 20-gauge wire ensures durability and consistent electrical performance. Featuring five wires, this sensor supports comprehensive signal communication for accurate oxygen level readings. The radiused polygon male connector is designed to fit securely with the vehicle’s wiring harness, minimizing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal to prevent exhaust leaks.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line\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 from the Walker Products OE series is manufactured to provide reliable performance and durability, matching the standards expected by Audi for the A8 Quattro. Using parts from this line helps maintain the vehicle’s emission system integrity and overall engine management.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for proper air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining proper sensor function\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems caused by faulty sensor signals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-25111 oxygen sensor, ensure the threaded mounting hole is clean and free of debris to achieve a proper seal. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Verify the connector shape and gender match the vehicle’s wiring harness to avoid connection issues. Route the wiring harness carefully to prevent contact with hot or moving engine components.\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 operation and longevity. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports the proper functioning of the Audi A8 Quattro’s engine management system.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533326713013,"sku":"DKHD-250-25111","price":162.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025111_Fro.jpg?v=1774891798","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25111-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}