{"product_id":"walker-350-33003-oxygen-sensor","title":"Walker 350-33003 Oxygen Sensor - Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker 350-33003 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-33003 oxygen sensor is a heated, threaded sensor designed specifically for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. This sensor ensures accurate emission control by monitoring oxygen levels in the exhaust system, helping maintain optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for multiple GM vehicles including Chevrolet Blazer and GMC Yukon\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e10.35-inch wiring harness length with 3 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 13.9 inches for proper installation depth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-33003) is engineered to meet the exact specifications of various GM vehicles such as the Chevrolet Astro, GMC Jimmy, and Pontiac Grand Prix. Featuring a heated sensor element, it reduces the time needed for the sensor to reach operating temperature, improving fuel efficiency and reducing emissions during cold starts. The sensor’s 3-wire design and 20 gauge wiring ensure reliable signal transmission, while the radiused polygon male connector provides a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with a range of Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Blazer, Astro, S10, and Corvette\u003c\/li\u003e\n\u003cli\u003eGMC Yukon, Jimmy, Safari, and C1500 Suburban\u003c\/li\u003e\n\u003cli\u003eBuick Regal and Oldsmobile Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix and Firebird\u003c\/li\u003e\n\u003c\/ul\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\u003eDelayed sensor response affecting engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-33003 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the connector type matches the vehicle harness before installation. The 10.35-inch wiring harness length provides flexibility for routing, but avoid sharp bends or contact with hot exhaust components. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 350-33003 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details are not provided here, Walker typically offers limited warranties on their aftermarket sensors to cover defects in materials and workmanship.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43537931665589,"sku":"DKHD-350-33003","price":42.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35033003_Fro.jpg?v=1774891915","url":"https:\/\/www.partcatalog.com\/products\/walker-350-33003-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}