{"product_id":"tautoy-upstream-downstream-o2-oxygen-sensor-kit-for-honda-accord-2003-2007-2-4l-2-piece-oem-fit-stainless-steel","title":"TAUTOY Upstream \u0026 Downstream O2 Oxygen Sensor Kit for Honda Accord 2003-2007 2.4L — 2-Piece OEM Fit, Stainless-Steel","description":"\u003cp\u003e\u003cstrong\u003eTAUTOY supplies a matched pair of upstream and downstream oxygen (O2) sensors engineered to restore accurate air–fuel readings for Honda Accord 2003–2007 2.4L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese two sensors—one upstream (pre-catalyst) and one downstream (post-catalyst)—are built to match factory fit and function for many 2.4L Accord variants. They use a stainless-steel housing with robust welding and proven sensing elements to deliver stable voltage feedback to the engine control module (ECM). Included are common OEM reference numbers so you can confirm compatibility before installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Honda models and engines will these sensors fit?\u003c\/h3\u003e\n\u003cp\u003eThey are intended for Honda Accord models with the 2.4L L4 engine from model years 2003 through 2007, covering sedan and coupe trims listed below. Always verify the OEM part cross-reference or the vehicle’s existing sensor numbers to ensure exact fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible trims: DX, EX (Coupe \u0026amp; Sedan), LX (Coupe \u0026amp; Sedan), LX Special Edition, SE, Value Package.\u003c\/li\u003e\n  \u003cli\u003eEngine: L4 2.4L (K24 family) applications.\u003c\/li\u003e\n  \u003cli\u003eYears covered: 2003–2007 (specific trims noted in product specifications).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat OEM numbers and replacements do these sensors cover?\u003c\/h3\u003e\n\u003cp\u003eEach sensor in the set maps to widely used factory references, making them suitable replacements for a number of original part numbers. Check your current sensor or service manual to match references.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces: 234-4797 (downstream) and 234-9040 (upstream).\u003c\/li\u003e\n  \u003cli\u003eAlso cross-references: 13704, 2344363, 36531RAAA01, 36531RAAA02, 36532RAAA01, 36532RAAA02, 36532RAAA11, 36532RAD305, 36532RADL11, 36532RADL12.\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-piece kit to refresh both pre- and post-catalyst sensing for balanced readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these sensors affect engine performance and diagnostics?\u003c\/h3\u003e\n\u003cp\u003eOxygen sensors supply the ECM with precise measurements of exhaust oxygen content so the fuel trim can be adjusted. Replacing worn or faulty sensors helps return fuel control to the intended range and supports cleaner combustion and steadier engine behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores accurate air–fuel feedback to the ECM for better fuel trim control.\u003c\/li\u003e\n  \u003cli\u003eCan reduce rough idle, hesitations, or drivability issues caused by erratic sensor readings.\u003c\/li\u003e\n  \u003cli\u003eHelps pass emissions checks when sensors are the cause of elevated readings or diagnostic trouble codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and warranty details?\u003c\/h3\u003e\n\u003cp\u003eThese TAUTOY sensors feature a laser-welded stainless-steel housing and sensor elements designed for corrosion resistance and reliable signal output. The package includes a one-year limited warranty for manufacturing defects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstruction: double laser-welded stainless-steel body for durability.\u003c\/li\u003e\n  \u003cli\u003ePerformance: designed for precise oxygen partial-pressure sensing and consistent voltage output.\u003c\/li\u003e\n  \u003cli\u003eWarranty: 1 year against manufacturing defects (terms apply).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 2-piece TAUTOY O2 sensor kit is aimed at Honda Accord owners, DIY mechanics, and independent shops needing a direct-fit upstream and downstream replacement for 2.4L models from 2003–2007. If your vehicle shows OBD-II codes related to oxygen sensors, exhibits fuel economy loss, or you want to proactively replace aging sensors, this matched pair provides a cost-effective way to restore proper exhaust sensing and help your engine management system operate as designed.\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: Are these sensors plug-and-play for my 2004 Accord 2.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this matched pair is designed to directly replace the factory upstream and downstream sensors on 2003–2007 Accord 2.4L models without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty comes with the TAUTOY O2 sensor kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes a 1-year limited warranty covering manufacturing defects; check seller terms for exclusions and claim process.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TAUTOY","offers":[{"title":"Default Title","offer_id":48082975719582,"sku":"B0CXDZMC36","price":57.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tautoy-front-packaging-accord-2-4l.jpg?v=1785821313","url":"https:\/\/northtrailauto.ca\/products\/tautoy-upstream-downstream-o2-oxygen-sensor-kit-for-honda-accord-2003-2007-2-4l-2-piece-oem-fit-stainless-steel","provider":"North Trail Auto","version":"1.0","type":"link"}