{"product_id":"walker-250-54068-oxygen-sensor","title":"Walker 250-54068 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-54068 Oxygen Sensor for Subaru Legacy\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54068 oxygen sensor is designed specifically for Subaru Legacy models, 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 with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Subaru Legacy vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e21.18 inches wiring harness length and 24.72 inches overall length\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for reliable connection\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54068 oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality components tailored to exact vehicle specifications. This sensor is a heated type, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s 4-wire design supports both the heating element and signal transmission, ensuring consistent performance. Its specific fitment for Subaru Legacy models guarantees compatibility and ease of installation.\u003c\/p\u003e\u003cp\u003eThe sensor features a threaded mounting type with an 18.0 mm thread diameter, providing a secure and leak-free fit. The connector is a radiused polygon male type, designed to match the vehicle’s wiring harness precisely. With a wiring harness length of 21.18 inches and an overall length of 24.72 inches, this sensor fits well within the engine bay layout of the Subaru Legacy.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate oxygen level data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty sensors\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers caused by oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by enabling precise engine management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before removing the old sensor to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the threaded mounting\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if recommended by manufacturer\u003c\/li\u003e\n\u003cli\u003eCheck for proper sensor wiring and secure connections after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE parts are manufactured to meet or exceed original equipment standards. The 250-54068 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in Subaru Legacy vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533594591413,"sku":"DKHD-250-54068","price":133.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054068_Fro.jpg?v=1774891826","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54068-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}