{"product_id":"walker-350-34939-oxygen-sensor","title":"Walker 350-34939 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34939\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34939 oxygen sensor is designed specifically for select Buick, Cadillac, Chevrolet, and GMC vehicles. 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 various Buick, Cadillac, Chevrolet, and GMC models\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 type 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 Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 350-34939) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 12.32-inch wiring harness made with 20 gauge wire, providing durability and reliable electrical connectivity. Its four-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The connector is a radiused polygon shape with a male gender, designed for a secure and specific fit. The sensor mounts via a threaded connection with an 18.0 mm diameter, and the overall length of 15.87 inches facilitates proper placement within the exhaust system.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket offers a range of emission control components engineered to meet or exceed OEM specifications. This oxygen sensor is part of their aftermarket line, providing a direct replacement solution tailored for specific vehicle applications. The focus on precise fitment and quality materials supports reliable emissions monitoring and compliance with environmental standards.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with a variety of Buick, Cadillac, Chevrolet, and GMC models, including but not limited to Acadia, ATS, Blazer, Camaro, Colorado, Corvette, Escalade, Impala, Malibu, Sierra, Silverado, Tahoe, and Yukon. It is designed to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eIncreased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine performance problems like rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eHeater circuit malfunctions affecting sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34939 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector matches the radiused polygon male type for proper electrical connection. It is recommended to inspect the wiring harness for any damage and replace if necessary. Proper torque specifications should be followed to secure the sensor without over-tightening.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34939 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure dependable operation throughout the sensor’s service life.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538424856757,"sku":"DKHD-350-34939","price":42.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034939_Fro_62b028d5-1486-4143-8c3a-8ff798e19c34.jpg?v=1774892164","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34939-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}