{"product_id":"walker-250-54057-oxygen-sensor","title":"Walker 250-54057 Oxygen Sensor - Upstream Front or Upstream Rear","description":"\u003ch2\u003eOverview of Walker 250-54057 Oxygen Sensor for Lexus and Toyota\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54057 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, ES300, Sienna, and Solara. This heated oxygen sensor provides accurate emissions control data to optimize engine performance and fuel efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota vehicles\u003c\/li\u003e\n\u003cli\u003e10.35-inch wiring harness length for precise installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement with 4 wires for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eOverall length of 13.9 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products OE is engineered with a heated sensor element to ensure quicker warm-up and accurate oxygen level readings under various operating conditions. The 10.35-inch wiring harness length and 20 gauge wire size with four wires support stable electrical signals and compatibility with the vehicle’s engine control unit. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter provide a secure and precise fit, reducing the risk of leaks or sensor failure. The overall length of 13.9 inches is designed to match the OEM specifications for the listed Lexus and Toyota models.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This ensures that the 250-54057 oxygen sensor maintains the performance and durability standards expected by vehicle manufacturers. Using parts from the Walker Products OE line helps maintain proper emissions control and engine efficiency in compatible Lexus and Toyota vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel mixture readings for improved fuel economy\u003c\/li\u003e\n\u003cli\u003eResolves check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by providing precise feedback to the engine control module\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems caused by faulty sensor signals\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine idling and acceleration in Lexus Avalon, Toyota Camry, and other compatible models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removal of the old oxygen sensor and threading the Walker 250-54057 sensor into the exhaust manifold or pipe. Ensure the connector matches the radiused polygon male type for proper electrical connection. Use appropriate tools to avoid damaging the 18.0 mm threaded mounting. Verify wiring harness length and routing to prevent strain or interference with other components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports reliable vehicle operation.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533563887797,"sku":"DKHD-250-54057","price":172.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054057_Fro.jpg?v=1774891823","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54057-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}