{"product_id":"sangyue-2x-o2-sensor-upstream-downstream-for-2004-2005-trailblazer-4-2l","title":"Sangyue 2X O2 Sensor Upstream \u0026 Downstream for 2004-2005 Trailblazer 4.2L","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Sangyue 2X Oxygen Sensor kit delivers a complete upstream and downstream sensor solution designed for 2004–2005 GM 4.2L models. Built as a direct-fit replacement, this pair is engineered to endure under-hood heat and road vibrations while delivering dependable sensor data that supports your vehicle’s exhaust management.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo sensors included: upstream and downstream\u003c\/li\u003e\n  \u003cli\u003eOne Year Unlimited Mileage Quality Guarantee\u003c\/li\u003e\n  \u003cli\u003eBroad compatibility with 2004–2005 Buick Rainier, Chevrolet Trailblazer, Colorado, Envoy, Canyon, and more in the 4.2L family\u003c\/li\u003e\n  \u003cli\u003eOEM-style fit and straightforward installation for a confident replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore buying, use the Select Your Vehicle option (Make, model, year, engine, notes) at the top of the product page to confirm compatibility. The kit covers models such as 2004–2005 Buick Rainier 4.2L, 2004–2005 Chevrolet Trailblazer 4.2L, and related GMC and Isuzu configurations in the same engine family.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, drivers may notice more precise readings from the exhaust sensors and a steadier idle when these sensors are installed. Results can vary, but this kit is positioned as a potential step toward improved engine management and emissions monitoring.\u003c\/p\u003e\n\u003ch3\u003eWhy choose Sangyue\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuality guarantee and durable construction\u003c\/li\u003e\n  \u003cli\u003eTwo-sensor set for complete exhaust monitoring\u003c\/li\u003e\n  \u003cli\u003eWide model coverage within the 2004–2005 GM 4.2L family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTips: Handle with care during installation, follow OEM torque guidelines, and verify the vehicle is listed in the compatibility note above.\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: Which vehicles and engines is the Sangyue 2X O2 Sensor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 2004-2005 GM 4.2L models, including Trailblazer, Rainier, Envoy, Canyon, Ascender, and Saab 9-7X; includes both upstream and downstream sensors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the kit include and what warranty is offered?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes two sensors (upstream and downstream) with a one-year unlimited mileage quality guarantee.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sangyue","offers":[{"title":"Default Title","offer_id":42470186123349,"sku":"B08DTQJMYS","price":44.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/sangyue-2x-oxygen-sensor-upstream-downstream-trailblazer-4-2l.jpg?v=1778122740","url":"https:\/\/plentytorque.co.uk\/products\/sangyue-2x-o2-sensor-upstream-downstream-for-2004-2005-trailblazer-4-2l","provider":"PlentyTorque","version":"1.0","type":"link"}