{"product_id":"walker-250-24698-oxygen-sensor","title":"Walker 250-24698 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-24698\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-24698 is designed for precise emission control in select Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Saab vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.\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 LaCrosse, Chevrolet Impala, GMC Canyon, and Saab 9-5\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e17.24-inch wiring harness length with 4 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 20.79 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire configuration supports both sensor heating and signal transmission. With a 17.24-inch wiring harness and a radiused polygon female connector, the sensor ensures a reliable and secure connection to the vehicle’s wiring system. The threaded mounting type with an 18.0 mm diameter thread provides a secure fit in the exhaust system. The overall length of 20.79 inches is engineered to match the specific fitment requirements of various models.\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 OEM specifications. This oxygen sensor from the Walker Products OE line is engineered to provide consistent performance and durability, making it suitable for emission control systems in specific vehicle makes and models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick LaCrosse, Regal\u003c\/li\u003e\n\u003cli\u003eCadillac STS\u003c\/li\u003e\n\u003cli\u003eChevrolet Impala, Malibu, Express 3500\u003c\/li\u003e\n\u003cli\u003eGMC Canyon, Envoy, Envoy XL, Savana 3500, Sierra\u003c\/li\u003e\n\u003cli\u003eHummer H3, H3T\u003c\/li\u003e\n\u003cli\u003eIsuzu i-280, i-290, i-350, i-370\u003c\/li\u003e\n\u003cli\u003eSaab 9-5, 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the new one with the 18.0 mm threaded mounting. Verify the connector matches the radiused polygon female design for proper electrical connection. Avoid damaging the wiring harness during installation and confirm the sensor is securely threaded to prevent exhaust leaks.\u003c\/p\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. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532555550901,"sku":"DKHD-250-24698","price":53.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024698_Fro_ac576fdb-88b2-4419-ae93-60b00ac004ca.jpg?v=1774891716","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24698-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}