{"product_id":"walker-250-54086-oxygen-sensor","title":"Walker 250-54086 Oxygen Sensor - Upstream or Upstream Right","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-54086\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-54086 is designed specifically for select Subaru and Toyota models, including the Legacy, Outback, and Sienna. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Subaru Legacy, Outback, and Toyota Sienna\u003c\/li\u003e\n\u003cli\u003e6.42-inch wiring harness length for proper 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\u003eOverall length of 9.96 inches for compatibility\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products OE is engineered to meet the exact specifications of your vehicle’s original equipment. The 4-wire heated sensor design allows for faster warm-up times, improving emissions control during cold starts. The 6.42-inch wiring harness length and radiused polygon male connector ensure a precise and secure fit, reducing the risk of electrical issues. With a threaded mounting type and an 18.0 mm thread diameter, installation aligns with factory standards. The sensor’s 20 gauge wires provide reliable signal transmission, supporting accurate engine management and fuel efficiency.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSubaru Legacy\u003c\/li\u003e\n\u003cli\u003eSubaru Outback\u003c\/li\u003e\n\u003cli\u003eToyota Sienna\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed for specific fitment, ensuring proper function and ease of installation on these vehicles.\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 part of that line, providing reliable emissions control components designed to maintain your vehicle’s performance and compliance with emissions standards.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or rough idling caused by sensor malfunction\u003c\/li\u003e\n\u003cli\u003eReduced engine performance and drivability issues\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 for threaded sensor removal and installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness (radiused polygon male connector)\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length (6.42 inches) for proper routing and fit\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if recommended by vehicle manufacturer\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 for durability and performance. The 250-54086 part number undergoes rigorous testing to ensure compatibility and reliability. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533632110773,"sku":"DKHD-250-54086","price":145.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054086_Fro.jpg?v=1774891831","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54086-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}