{"product_id":"walker-250-241178-oxygen-sensor","title":"Walker 250-241178 Oxygen Sensor - Downstream Rear","description":"\u003ch2\u003eOverview of Walker 250-241178 Oxygen Sensor for Lexus and Toyota\u003c\/h2\u003e\u003cp\u003eThe Walker 250-241178 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Highlander, RX350, RX350L, RX450h, and RX450hL. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration for precise readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota models listed\u003c\/li\u003e\n\u003cli\u003e23.15 inches wiring harness length for convenient installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and signal integrity\u003c\/li\u003e\n\u003cli\u003e18mm thread diameter compatible with OEM specifications\u003c\/li\u003e\n\u003cli\u003eFemale connector for direct plug-and-play replacement\u003c\/li\u003e\n\u003cli\u003eOverall length of 26.69 inches to fit factory mounting locations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Attributes\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-241178) features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The sensor includes a 4-wire design, which supports both the sensor signal and the heating element, ensuring reliable operation under various driving conditions. The wiring harness length of 23.15 inches provides sufficient reach for installation in the exhaust system of compatible Lexus and Toyota vehicles. With a wire gauge measurement of 20, the sensor wiring maintains signal quality and durability. The 18mm thread diameter matches OEM specifications, allowing for a secure and proper fit. The female connector design facilitates straightforward replacement without the need for splicing or modifications.\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 or exceed original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Walker Products OE parts are engineered to provide reliable operation and maintain vehicle emissions compliance, making them suitable for professional repairs and maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing correct exhaust gas readings\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-241178 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the connector type matches the vehicle harness to avoid compatibility issues. Avoid damaging the wiring harness during installation and confirm the sensor is threaded in securely without cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.\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 are tested for durability and performance. This part number 250-241178 comes with a limited warranty that covers defects in materials and workmanship, providing confidence in its reliability for Lexus and Toyota emission control systems.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531773837493,"sku":"DKHD-250-241178","price":71.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_250241178_Fro.jpg?v=1774891585","url":"https:\/\/www.partcatalog.com\/products\/walker-250-241178-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}