{"product_id":"a-premium-downstream-heated-o2-oxygen-sensor-for-honda-acura-4-wire-threaded-direct-fit-boxed","title":"A-Premium Downstream Heated O2 Oxygen Sensor for Honda \u0026 Acura — 4-Wire Threaded Direct-Fit (Boxed)","description":"\u003cb\u003eA-Premium downstream heated oxygen sensor provides a direct-fit replacement for specific Honda and Acura exhaust systems, restoring accurate post-catalyst oxygen readings.\u003c\/b\u003e\n\n\u003cp\u003eIf an illuminated check engine light or poor fuel trim readings point to a failing downstream O2 sensor, this A-Premium replacement is built to match factory fit and function for a wide range of Honda and Acura vehicles. It’s a threaded, 4-wire heated sensor supplied in a box and cross-referenced to multiple OEM numbers for confident installation. The description below explains fitment, wiring, and what to expect during installation and operation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does this downstream oxygen sensor fit?\u003c\/h3\u003e\n\u003cp\u003eThis sensor covers many late-model Honda and Acura cars and SUVs in both 4-cylinder and V6 applications. Fitment is split by downstream location and vehicle engine to ensure you order the correct unit for your exhaust layout.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHonda Civic: 2012–2015 L4 1.5L\/1.8L and 2014–2015 L4 1.8L\u003c\/li\u003e\n  \u003cli\u003eCR-V: 2010–2016 L4 2.4L; Accord: 2013–2017 L4 2.4L and 2014–2015 L4 2.0L\u003c\/li\u003e\n  \u003cli\u003eHR-V: 2016–2022 L4 1.8L; Crosstour: 2012–2015 L4 2.4L\u003c\/li\u003e\n  \u003cli\u003eAcura ILX, TLX, MDX, RDX, RLX and select Honda Pilot, Ridgeline and NSX applications (see fitment details)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this sensor specified and wired?\u003c\/h3\u003e\n\u003cp\u003eThe A-Premium downstream O2 is a heated, 4-wire sensor with a threaded mounting and a female connector. It uses four conductors to supply the heater circuit and transmit the oxygen voltage signal to the vehicle’s ECU.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWire quantity: 4 — two heater wires and two signal\/ground wires\u003c\/li\u003e\n  \u003cli\u003eSensor type: Heated oxygen sensor for faster warm-up and stable readings\u003c\/li\u003e\n  \u003cli\u003eMounting: Threaded for direct replacement into factory bung\u003c\/li\u003e\n  \u003cli\u003eConnector: Female, designed to mate with OEM harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat reference numbers and quality cues should I check?\u003c\/h3\u003e\n\u003cp\u003eCross-referencing helps confirm compatibility with your vehicle; this sensor lists several OEM and aftermarket reference numbers. A boxed package and clear part numbers reduce the chance of ordering the wrong item.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-reference numbers: 250-24917, 234-4442, 25024917, 2344442\u003c\/li\u003e\n  \u003cli\u003eAdditional references: 18050, 24113, 36532REZA01 for verification\u003c\/li\u003e\n  \u003cli\u003ePackaging: Single sensor per box for protection during shipping and storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there fitment caveats or special notes I should know?\u003c\/h3\u003e\n\u003cp\u003eSome models and emission specifications require attention when selecting the downstream sensor. Check engine configuration and emissions designation (California vs Federal) to ensure a correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecial note: For 2013–2017 Honda Accord EX-L and Touring V6 3.5L, fits both California and Federal emissions versions\u003c\/li\u003e\n  \u003cli\u003eDownstream location variants exist (front\/left) for specific V6 or performance models like NSX\u003c\/li\u003e\n  \u003cli\u003eAlways verify engine code and model year before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you’re servicing a Honda or Acura with a downstream O2 fault code, monitoring poor fuel trim, or replacing a sensor after exhaust work, the A-Premium downstream heated oxygen sensor is made for DIY mechanics and professional technicians who need a direct-fit, 4-wire replacement. It’s especially suited to owners of Civics, Accords, CR-Vs, HR-Vs, Crosstour, and compatible Acura models who require a reliable post-catalyst reading and an easy plug-and-play swap.\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: Can this sensor replace the OEM downstream O2 on my 2015 Honda Accord?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this A-Premium downstream heated sensor fits 2013–2017 Accord models; confirm engine and emission spec before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the sensor include a connector and how many wires does it have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It arrives as a boxed unit with a female connector and four wires (two for heater, two for signal\/ground).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48085914255518,"sku":"B08VS7TMZS","price":43.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-downstream-front-view_05afdedb-ba6b-4ca0-84f2-c9324bc91c26.jpg?v=1785880581","url":"https:\/\/northtrailauto.ca\/products\/a-premium-downstream-heated-o2-oxygen-sensor-for-honda-acura-4-wire-threaded-direct-fit-boxed","provider":"North Trail Auto","version":"1.0","type":"link"}