{"product_id":"234-4668-upstream-o2-oxygen-sensor-for-chevy-cadillac-gmc-buick-2pcs","title":"234-4668 Upstream O2 Oxygen Sensor for Chevy Cadillac GMC Buick 2pcs","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement oxygen sensor is an upstream O2 sensor supplied in a set of two and cross-references part number 234-4668. An oxygen sensor monitors oxygen content in the exhaust stream so the engine management system can adjust the air-fuel mixture. It is intended for the listed Chevy, Cadillac, GMC, and Buick applications.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUpstream oxygen sensor that monitors exhaust oxygen content for the engine management system\u003c\/li\u003e\n\u003cli\u003eSupports the air-fuel mixture feedback used by the engine control system\u003c\/li\u003e\n\u003cli\u003eCross-references part number 234-4668\u003c\/li\u003e\n\u003cli\u003eSupplied as a set of two sensors\u003c\/li\u003e\n\u003cli\u003eSuitable for replacement when the corresponding sensor is worn, damaged, or malfunctioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Chevy applications\u003c\/li\u003e\n\u003cli\u003efor Cadillac applications\u003c\/li\u003e\n\u003cli\u003efor GMC applications\u003c\/li\u003e\n\u003cli\u003efor Buick applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or malfunctioning upstream oxygen sensor\u003c\/li\u003e\n\u003cli\u003eRoutine exhaust and emissions system maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring normal oxygen sensor feedback to the engine management system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Upstream O2 Oxygen Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 234-4668\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Application(s):\u003c\/strong\u003e Chevy, Cadillac, GMC, Buick\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an upstream oxygen sensor do? \u003cstrong\u003eA:\u003c\/strong\u003e It monitors oxygen content in the exhaust stream before the catalytic converter, allowing the engine management system to adjust the air-fuel mixture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I verify fitment? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the complete existing part number and the complete vehicle model designation with the information supplied in this listing before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67607030825233,"sku":"ZZ3N01303","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_b7385ad8-09b1-42c7-a36e-dee96bf5a43f.jpg?v=1790795905","url":"https:\/\/www.duraforce.com\/products\/234-4668-upstream-o2-oxygen-sensor-for-chevy-cadillac-gmc-buick-2pcs","provider":"DURAFORCE","version":"1.0","type":"link"}