{"product_id":"upstream-and-downstream-oxygen-o2-sensor-for-2008-2012-accord","title":"Upstream and Downstream Oxygen O2 Sensor for 2008-2012 Accord","description":"\u003cp\u003eIn this review the focus is on whether this pair of upstream and downstream \u003cstrong\u003eOxygen O2 sensors\u003c\/strong\u003e is a practical replacement for Honda Accord (2008-2012) and TSX (2009-2014) models with the 2.4L L4 engine. The bottom line: this kit is aimed at DIY owners and independent mechanics who want a direct-fit, OEM-referenced replacement that can restore emissions monitoring and improve fuel trim when it works correctly. It installs without modification and matches common OE part numbers, making it a straightforward option for those who need both sensors at once.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fitment:\u003c\/strong\u003e Packaged for Accord 2008-2012 and TSX 2009-2014 L4-2.4L, so buyers can expect straightforward compatibility when OE numbers match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpstream and downstream pair:\u003c\/strong\u003e Includes the upstream sensor with reference 2349091 and the downstream with reference 2344462, allowing full replacement of both monitoring positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE reference numbers provided:\u003c\/strong\u003e Lists multiple cross-reference part numbers, helping confirm fitment against factory and aftermarket catalogs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel and emissions benefit:\u003c\/strong\u003e A functioning sensor helps the engine management monitor exhaust oxygen and can improve fuel efficiency and emissions control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to install:\u003c\/strong\u003e Built to OEM-like dimensions and connectors so most owners or technicians can install without modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty support:\u003c\/strong\u003e Comes with a six-month warranty, offering limited reassurance against early failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis pair is best for Honda owners of Accord 2008-2012 and TSX 2009-2014 with the 2.4L L4 engine who need both upstream and downstream oxygen sensors replaced at once. It suits DIYers comfortable verifying OE numbers and performing an undercar repair or an independent shop that prefers a low-cost, direct-fit replacement option.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for buyers who expect premium branded sensors with extended warranties or for vehicles with different engine codes; always confirm OE numbers before purchasing. Drivers who repeatedly see a check engine light after replacement should consider professional diagnostics rather than repeated sensor swaps.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit design with listed reference numbers makes compatibility checks simple.\u003c\/li\u003e\n\u003cli\u003eReplacing faulty sensors can restore correct fuel trims and reduce emissions when the sensors operate properly.\u003c\/li\u003e\n\u003cli\u003eSold as a matched upstream\/downstream set, which is convenient when both are due for replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustomer feedback is mixed; some reported the check engine light returning, indicating occasional reliability variation.\u003c\/li\u003e\n\u003cli\u003eSix-month warranty is shorter than some OEM or premium aftermarket alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eAccord 2008-2012 L4-2.4L; TSX 2009-2014 L4-2.4L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpstream Part Number\u003c\/td\u003e\n\u003ctd\u003e2349091 (234-9091)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDownstream Part Number\u003c\/td\u003e\n\u003ctd\u003e2344462 (234-4462)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross Reference Numbers\u003c\/td\u003e\n\u003ctd\u003e36531-R40-A01, 36532-R40-A01, 211200-2758, 211200-2750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Items\u003c\/td\u003e\n\u003ctd\u003eUpstream sensor and downstream sensor (pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eSix-month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe upstream and downstream oxygen sensor pair is a practical, value-focused option for Honda Accord and TSX owners who need a direct replacement that matches common OE references. It offers easy installation and the chance to restore correct emissions monitoring and fuel economy, but buyers should accept that results can vary and the warranty is limited compared with premium parts.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these sensors fit my vehicle?\u003c\/strong\u003e\u003cbr\u003eConfirm your vehicle model year and OE part numbers against the listed references to ensure correct fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they come with a warranty?\u003c\/strong\u003e\u003cbr\u003eYes, the sensors include a six-month warranty covering early defects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill replacing sensors fix a check engine light?\u003c\/strong\u003e\u003cbr\u003eReplacing faulty oxygen sensors can clear codes tied to sensor failure, but persistent codes should be diagnosed to rule out wiring, exhaust leaks, or engine management issues.\u003c\/p\u003e","brand":"HTMXJA","offers":[{"title":"Default Title","offer_id":48156663840987,"sku":"B0DLFX4D7M","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61h3AjEe5QL._AC_SL1500.jpg?v=1768920906","url":"https:\/\/gearmusthave.com\/products\/upstream-and-downstream-oxygen-o2-sensor-for-2008-2012-accord","provider":"GearMustHave","version":"1.0","type":"link"}