{"product_id":"walker-250-24950-oxygen-sensor","title":"Walker 250-24950 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-24950\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-24950 is designed specifically for select Buick, Chevrolet, GMC, Isuzu, and Saab models. 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 sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for models including Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and more\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with 20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 11.34 inches and overall length of 14.88 inches\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 various GM and Isuzu vehicles, including the Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, and Saab 9-7x. The heated sensor element allows for quicker activation and improved fuel efficiency by providing accurate oxygen level readings to the engine control unit. The four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under different driving conditions. The radiused polygon male connector and threaded mounting type with an 18.0 mm diameter provide a secure and precise fit, reducing the risk of leaks or electrical issues.\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 designed to match or exceed factory specifications. This oxygen sensor is part of that line, offering a direct replacement solution that maintains the integrity of the vehicle’s emissions system. Using a Walker Products OE sensor helps ensure compatibility and durability consistent with the original sensor installed by the manufacturer.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel mixture readings for improved engine performance\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light codes related to oxygen sensor failure\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing accurate exhaust gas data\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of the vehicle’s catalytic converter system\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 sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate oxygen sensor socket for threaded removal and installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle’s wiring harness (radiused polygon male)\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; torque to manufacturer specifications for the 18.0 mm thread\u003c\/li\u003e\n\u003cli\u003eInspect wiring for damage before installation to prevent electrical faults\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 performance and durability. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Using part number 250-24950 guarantees a sensor designed for precise fitment and function in Buick, Chevrolet, GMC, Isuzu, and Saab vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532972982453,"sku":"DKHD-250-24950","price":79.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024950_Fro.jpg?v=1774891762","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24950-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}