{"product_id":"walker-350-34259-oxygen-sensor","title":"Walker 350-34259 Oxygen Sensor - Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker 350-34259 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34259 oxygen sensor is designed specifically for select Chevrolet and GMC models, including trucks and SUVs like the Silverado 2500 and Yukon XL 2500. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Chevrolet and GMC trucks and SUVs\u003c\/li\u003e\n\u003cli\u003e12.32-inch wiring harness length with 20 gauge wire\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration with radiused polygon male connector\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eOverall length of 15.87 inches for precise installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34259 oxygen sensor is a heated sensor designed to provide reliable and accurate readings of oxygen levels in the exhaust system. Its four-wire design includes a 12.32-inch wiring harness made with 20 gauge wire, ensuring durability and proper electrical conductivity. The sensor features a radiused polygon male connector that matches the factory wiring harness for a secure connection. With a threaded mounting type and an 18.0 mm thread diameter, this sensor installs directly into the exhaust manifold or pipe, maintaining proper fitment and sealing.\u003c\/p\u003e\u003cp\u003eThis oxygen sensor is engineered for specific fitment on Chevrolet and GMC vehicles such as the C1500, C2500, Silverado 2500, Suburban 2500, Tahoe, Yukon, and various Express and Savana models. The overall length of 15.87 inches allows for proper positioning within the exhaust system to accurately monitor emissions and support engine control systems.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable sensors and parts that maintain vehicle emissions compliance and engine efficiency. The 350-34259 oxygen sensor is part of this line, providing a direct replacement solution for specific Chevrolet and GMC models to ensure proper emissions system function.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or failing oxygen sensors in Chevrolet and GMC trucks and SUVs\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues related to incorrect air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers caused by sensor malfunctions\u003c\/li\u003e\n\u003cli\u003eSupports emissions system compliance and reduces harmful exhaust emissions\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing accurate oxygen level data to the engine control unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Chevrolet and GMC models listed before installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to remove the old sensor and avoid damaging the threaded mounting area\u003c\/li\u003e\n\u003cli\u003eVerify the connector shape and gender match the factory harness for a secure fit\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness length and routing to prevent strain or damage\u003c\/li\u003e\n\u003cli\u003eFollow torque specifications for the 18.0 mm threaded sensor to ensure proper sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-34259 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in emission control applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538106253493,"sku":"DKHD-350-34259","price":43.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034259_Fro.jpg?v=1774892030","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34259-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}