{"product_id":"walker-250-241143-oxygen-sensor","title":"Walker 250-241143 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker 250-241143 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE 250-241143 oxygen sensor is designed specifically for select Audi, Porsche, and Volkswagen models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi A4, A4 allroad, A4 Quattro, A5 Quattro, A5 Sportback, A6, A6 Quattro, Porsche Macan, Volkswagen Jetta, and Q7\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e14.29-inch wiring harness length and 17.83-inch overall length\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and signal integrity\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products OE Brand Line Details\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-241143 oxygen sensor is part of this line, providing a direct replacement solution engineered to maintain proper emission control and engine performance for the specified Audi, Porsche, and Volkswagen vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Features\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is a heated type, which allows it to reach operating temperature quickly for faster and more accurate air-fuel mixture readings. It includes four wires with 20 gauge measurement, supporting both sensor signal and heater circuit functions. The sensor’s 18.0 mm threaded mounting ensures compatibility with the exhaust system ports on the listed vehicle models. The connector features a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness. The wiring harness length of 14.29 inches and overall length of 17.83 inches provide sufficient reach for installation without excess slack.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light codes related to oxygen sensor failure\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by maintaining proper air-fuel ratio\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports proper operation of catalytic converters in Audi, Porsche, and Volkswagen models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector type matches the vehicle harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks. Inspect wiring for damage and secure the harness to prevent strain or disconnection.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 250-241143 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531738415285,"sku":"DKHD-250-241143","price":98.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_250241143_Fro_cbf44e24-7b4a-48fa-ab2f-a91b9d01ccdc.jpg?v=1774891579","url":"https:\/\/www.partcatalog.com\/products\/walker-250-241143-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}