{"product_id":"denso-oxygen-sensor-for-honda-acura-234-9005-direct-fit-replacement-oe-equivalent-accuracy","title":"Denso Oxygen Sensor for Honda \u0026 Acura — 234-9005 Direct-Fit Replacement, OE-Equivalent Accuracy","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-9005 is a direct-fit air\/fuel ratio (oxygen) sensor designed to restore accurate fuel mixture readings for compatible Honda and Acura models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement sensor is engineered to match original equipment specifications so your engine control module receives precise combustion data. Built and tested to demanding OE standards, the 234-9005 helps the engine maintain proper air-to-fuel balance, supporting efficient fuel use and stable performance while fitting the listed makes and years without modification.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does the 234-9005 replace, and how reliable is the fit?\u003c\/h3\u003e\n\u003cp\u003eThe 234-9005 is made for a direct swap into specified Honda and Acura models, minimizing installation hassle and the need for adaptors. Denso designs these sensors to meet or exceed factory tolerances so they line up with original mounting points and connectors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFitment: Honda Civic 2001–2005\u003c\/li\u003e\n  \u003cli\u003eFitment: Honda CR-V 2002–2004\u003c\/li\u003e\n  \u003cli\u003eFitment: Acura RSX 2002–2004\u003c\/li\u003e\n  \u003cli\u003eConnector and threads match the OE layout for first-time fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this sensor impact fuel economy and emissions?\u003c\/h3\u003e\n\u003cp\u003eBy relaying accurate oxygen and air\/fuel ratio information to the engine control unit, the sensor helps the ECU adjust fuel delivery more precisely. That tighter control can reduce wasted fuel and helps the catalytic converter operate under optimal conditions, which supports lower exhaust emissions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves fuel metering across RPM ranges\u003c\/li\u003e\n  \u003cli\u003eSupports efficient combustion to reduce fuel consumption\u003c\/li\u003e\n  \u003cli\u003eHelps maintain catalytic converter life through proper mixture control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and durability features does Denso include?\u003c\/h3\u003e\n\u003cp\u003eDenso engineers these sensors for consistency and longevity using materials and manufacturing processes aligned with OE expectations. Each unit undergoes testing for output accuracy and environmental resistance to deliver dependable service life under typical driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-built for consistent voltage and ratio readings\u003c\/li\u003e\n  \u003cli\u003eDurable construction to withstand heat and exhaust exposure\u003c\/li\u003e\n  \u003cli\u003eTested to meet strict OE performance criteria\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for someone familiar with under-hood or underbody sensor replacement; the part is intended as a plug-and-play substitute. Basic hand tools and anti-seize on the threads (if recommended) are typically all that’s needed to complete the swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for direct replacement—no extra adapters required\u003c\/li\u003e\n  \u003cli\u003eCompatible electrical connector for OEM harnesses\u003c\/li\u003e\n  \u003cli\u003eSimple removal of the old sensor and torque to manufacturer spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 234-9005 is aimed at owners and mechanics working on 2001–2005 Honda Civics, 2002–2004 CR-Vs, and 2002–2004 Acura RSX models who need a reliable, OE-quality air\/fuel ratio sensor. It suits DIY installers looking for a direct-fit replacement and professional shops that require a tested, consistent sensor for repair and maintenance jobs. If your vehicle shows symptoms of a failing oxygen\/air-fuel sensor or your diagnostics indicate out-of-range readings, this Denso unit offers an OE-level replacement option to restore proper fuel management and emissions behavior.\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: Is the Denso 234-9005 a direct fit for my 2003 Honda Civic?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 234-9005 is a direct replacement for 2001–2005 Honda Civic models and fits the OEM connector and threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will installing this sensor improve fuel economy immediately?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A correctly working sensor helps the ECU optimize fuel trim, which can improve fuel use, though results vary with vehicle condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":55170402517335,"sku":"B000C5UFVM","price":185.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/denso-234-9005-front-view.jpg?v=1790429019","url":"https:\/\/britishgarage.co.uk\/products\/denso-oxygen-sensor-for-honda-acura-234-9005-direct-fit-replacement-oe-equivalent-accuracy","provider":"British Garage","version":"1.0","type":"link"}