{"product_id":"walker-250-24440-oxygen-sensor","title":"Walker 250-24440 Oxygen Sensor - Center or Downstream","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-24440\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-24440 is designed for specific vehicle applications including Mazda, Saab, Scion, and Subaru models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fit and reliable performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda CX-5, CX-9, Subaru Forester, Impreza, Legacy, Outback, Saab 9-2X, Scion FR-S, and Subaru Baja\u003c\/li\u003e\n\u003cli\u003eThread diameter of 18.0 mm with threaded mounting for secure installation\u003c\/li\u003e\n\u003cli\u003eConnector features a radiused polygon shape with male gender\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 25.12 inches and overall length of 28.66 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\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 emission control components. This oxygen sensor 250-24440 is engineered to meet or exceed OEM specifications, providing a direct replacement that maintains factory performance and emissions standards for compatible vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is a heated type, which allows it to reach operating temperature quickly for improved fuel management and emissions control. The sensor includes four wires, supporting both the sensor signal and heater circuit. Its 18.0 mm threaded mounting ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a precise connection, reducing the risk of electrical issues. With a wiring harness length of 25.12 inches and an overall length of 28.66 inches, this sensor fits the specified vehicle models without modification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level 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 air-fuel mixture adjustments\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emissions testing requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the sensor thread diameter (18.0 mm) matches the vehicle’s exhaust port\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the sensor or connector\u003c\/li\u003e\n\u003cli\u003eVerify connector shape and gender (radiused polygon, male) for compatibility\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length (25.12 inches) to confirm fit without stretching\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. The 250-24440 part number undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the product supplier or manufacturer.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532191236277,"sku":"DKHD-250-24440","price":70.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024440_Fro.jpg?v=1774891669","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24440-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}