{"product_id":"walker-350-34343-oxygen-sensor","title":"Walker 350-34343 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker 350-34343 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34343 oxygen sensor 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 Buick, Chevrolet, GMC, Isuzu, and Saab vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e11.34 inches wiring harness length with 4 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 14.88 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-34343) is engineered to meet the exact specifications required by your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a dedicated heater circuit, ensuring consistent sensor performance under various driving conditions. The radiused polygon male connector provides a reliable electrical connection, while the threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust manifold or pipe.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with specific models including Buick 9-7x, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, and Rainier, Isuzu Ascender, Saab 9-7x, Chevrolet Express 1500 and SSR, and GMC Savana 1500. Using the correct sensor like the Walker 350-34343 helps maintain proper air-fuel mixture and supports emission compliance.\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 proper tools to avoid damaging the 18.0 mm threaded mounting\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the radiused polygon male connector for a secure fit\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length (11.34 inches) to confirm compatibility with your vehicle’s harness routing\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications when installing the sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34343 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538198986933,"sku":"DKHD-350-34343","price":52.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034343_Fro.jpg?v=1774892054","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34343-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}