{"product_id":"sangyue-4x-oxygen-o2-sensor-kit-2008-2014-gm-fitment-upstream-downstream-sensors-oe-style-connectors","title":"Sangyue 4X Oxygen O2 Sensor Kit — 2008–2014 GM Fitment, Upstream \u0026 Downstream Sensors, OE-Style Connectors","description":"\u003cp\u003e\u003cstrong\u003eThe Sangyue 4X Oxygen O2 Sensor kit is a four-piece upstream and downstream replacement set engineered to restore accurate air-fuel readings for compatible 2008–2014 GM vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your check engine light, fuel economy, or emissions diagnostics point to worn oxygen sensors, this Sangyue kit supplies both upstream and downstream sensors to match a wide range of Chevrolet, GMC, Cadillac, Pontiac and Saturn engines from model years 2008–2014. Each sensor is manufactured to meet OE-style fit and function so you can replace all four affected sensors at once, avoid mismatched readings and return your vehicle to reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines does this Sangyue sensor kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is intended for many GM full‑size trucks and SUVs and selected sedans within the 2008–2014 model years. Always verify fit by using the \"Select Your Vehicle\" selector with exact make, model, year and engine to ensure compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet Avalanche 2008–2013 — 5.3L, 6.0L\u003c\/li\u003e\n  \u003cli\u003eChevrolet Silverado 1500 2008–2013 — 4.8L, 5.3L, 6.0L, 6.2L\u003c\/li\u003e\n  \u003cli\u003eChevrolet Tahoe\/Suburban 2008–2014 — 4.8L, 5.3L, 6.0L, 6.2L\u003c\/li\u003e\n  \u003cli\u003eCadillac Escalade (incl. ESV\/EXT) 2008–2014 — 6.0L, 6.2L\u003c\/li\u003e\n  \u003cli\u003eGMC Sierra\/Yukon\/Yukon XL 2008–2014 — multiple 4.8L–6.2L options; plus Yukon XL 2500 6.0L\u003c\/li\u003e\n  \u003cli\u003ePontiac 2008–2010 — selected 3.5L\/3.9L; Saturn Aura 2008 3.5L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing all four oxygen sensors help performance and diagnostics?\u003c\/h3\u003e\n\u003cp\u003eChanging both upstream and downstream sensors at the same time prevents inconsistent sensor feedback and helps the engine control module recalibrate more quickly. New sensors return oxygen readings to expected ranges, improving fuel trim accuracy and reducing erroneous diagnostic trouble codes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpstream sensors monitor exhaust oxygen for fuel‑trim control.\u003c\/li\u003e\n  \u003cli\u003eDownstream sensors confirm catalytic converter efficiency.\u003c\/li\u003e\n  \u003cli\u003eReplacing all four avoids mixed old\/new sensor signals that confuse diagnostics.\u003c\/li\u003e\n  \u003cli\u003eCan help resolve persistent O2 sensor-related check engine lights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect from fitment, installation and warranty?\u003c\/h3\u003e\n\u003cp\u003eSensors arrive as a four‑piece set (two upstream, two downstream) designed to match OEM mounting and connector styles for the listed GM vehicles. Installation typically requires basic tools and sensor sockets; depending on vehicle age and exhaust condition, anti-seize and some penetrating oil may be helpful. Sangyue backs this kit with a one-year unlimited-mileage quality guarantee.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes four sensors: upstream + downstream for both banks.\u003c\/li\u003e\n  \u003cli\u003eOE-style connectors for plug-and-play replacement on compatible models.\u003c\/li\u003e\n  \u003cli\u003eOne-year unlimited-mileage quality guarantee from Sangyue.\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle selector (make, model, year, engine, notes) before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace oxygen sensors, and what symptoms indicate failure?\u003c\/h3\u003e\n\u003cp\u003eOxygen sensors commonly degrade over time from heat and deposits; symptoms include decreased fuel economy, rough idling, failed emissions tests, or persistent OBD-II codes referencing O2 sensors or catalytic efficiency. Replacing worn sensors with a matched four-piece kit addresses both control and verification sensors to restore normal engine management behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLook for OBD-II codes like P0130–P0167 indicating O2 or circuit faults.\u003c\/li\u003e\n  \u003cli\u003eNotable drop in MPG or rough running under load are signs.\u003c\/li\u003e\n  \u003cli\u003eFailed emissions testing often traced to downstream sensor readings.\u003c\/li\u003e\n  \u003cli\u003eReplacing all sensors reduces repeat diagnostics and ensures consistent readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Sangyue 4X Oxygen O2 Sensor kit is for owners and mechanics of 2008–2014 GM full‑size trucks, SUVs and the few listed sedans who need a full-bank replacement of both upstream and downstream sensors. If you want OE‑style fit, a complete four‑sensor swap, and a one‑year guarantee, this kit is intended to make diagnosis simpler and installation straightforward—just confirm exact vehicle and engine fitment before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include both upstream and downstream oxygen sensors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Sangyue kit contains four sensors: two upstream and two downstream for a full-bank replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm this kit fits my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the \"Select Your Vehicle\" tool on the product page with exact make, model, year and engine before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sangyue","offers":[{"title":"Default Title","offer_id":55168530973015,"sku":"B08NX2MPZD","price":56.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/sangyue-front-packaging_751dc8b4-3488-41fb-b526-ffd6846a94e2.jpg?v=1790406977","url":"https:\/\/britishgarage.co.uk\/products\/sangyue-4x-oxygen-o2-sensor-kit-2008-2014-gm-fitment-upstream-downstream-sensors-oe-style-connectors","provider":"British Garage","version":"1.0","type":"link"}