{"product_id":"belkebir-oxygen-sensor-pair-for-2007-2011-honda-civic-1-8l-upstream-downstream-o2-sensors-oem-fit","title":"BELKEBIR Oxygen Sensor Pair for 2007-2011 Honda Civic 1.8L — Upstream \u0026 Downstream O2 Sensors, OEM Fit","description":"\u003cb\u003eThese two BELKEBIR oxygen sensors replace the upstream and downstream O2 units on 2007–2011 Honda Civic 1.8L L4 models to restore accurate air–fuel monitoring and emissions control.\u003c\/b\u003e\n\n\u003cp\u003eIf your Civic is running rich or lean, triggering a check engine light or failing emissions checks, a worn oxygen sensor pair can be the root cause. This BELKEBIR 2-piece set includes both the upstream (front) and downstream (rear) sensors built to match the form, fit and electrical characteristics of the original equipment for 2007–2011 Honda Civic DX, EX, EX-L, LX and LX-S models with the 1.8L L4 engine.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these replacement O2 sensors fit my specific Civic?\u003c\/h3\u003e\n\u003cp\u003eEach sensor is manufactured to the OEM footprint and connector shape so installation is straightforward for the compatible model years listed. Confirm your vehicle’s chassis year and engine code before ordering to ensure correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Honda Civic 2007–2011 with 1.8L L4 (DX, EX, EX-L, LX, LX-S)\u003c\/li\u003e\n  \u003cli\u003eUpstream part numbers equivalent: 234-9124, 36531-RNA-J01 and related OE codes\u003c\/li\u003e\n  \u003cli\u003eDownstream equivalents: 234-4350, 36532-RNA-A01 and matching OE references\u003c\/li\u003e\n  \u003cli\u003eConnector and thread size designed to mirror factory sensor for drop-in replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance changes can I expect after installing these sensors?\u003c\/h3\u003e\n\u003cp\u003eReplacing faulty oxygen sensors helps your engine computer receive accurate exhaust oxygen data, allowing better air–fuel balancing. That can reduce rough idling, improve throttle response and restore fuel economy lost to sensor degradation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved fuel efficiency by enabling correct fuel trim adjustments\u003c\/li\u003e\n  \u003cli\u003eSmoother acceleration and reduced hesitation during throttle input\u003c\/li\u003e\n  \u003cli\u003eMore consistent combustion that can lower visible emissions\u003c\/li\u003e\n  \u003cli\u003eQuicker sensor response for more precise engine management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are these sensors made of and how durable are they?\u003c\/h3\u003e\n\u003cp\u003eBELKEBIR sensors use durable ceramic sensing elements and platinum wiring to withstand high exhaust temperatures and corrosive conditions. Built with long-life materials, they’re intended to deliver steady performance over many miles under normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCeramic sensing element for accurate oxygen voltage generation\u003c\/li\u003e\n  \u003cli\u003ePlatinum internal wiring resists oxidation at high temperatures\u003c\/li\u003e\n  \u003cli\u003eHeat-resistant housing and protective sleeve to endure exhaust exposure\u003c\/li\u003e\n  \u003cli\u003eSealed design to reduce moisture and contamination ingress\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is the installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is manageable for most DIYers with basic hand tools and safety precautions, though some vehicles may need brief vehicle lifting for access. If you’re not comfortable with automotive repair, a certified mechanic can complete the swap quickly using standard oxygen sensor tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical tools: O2 sensor socket, ratchet, penetrating oil and jack stands if needed\u003c\/li\u003e\n  \u003cli\u003eAllow engine and exhaust to cool before working to avoid burns\u003c\/li\u003e\n  \u003cli\u003eClear and secure electrical connectors to avoid wiring damage\u003c\/li\u003e\n  \u003cli\u003eReset engine codes after replacement or run readiness checks as required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This BELKEBIR sensor pair is intended for Honda Civic owners (2007–2011, 1.8L L4) who need a reliable upstream and downstream oxygen sensor replacement to restore engine efficiency and emissions performance. Choose this set if you want OE-compatible fitment, durable materials, and a simple route to resolving O2-related fault codes and drivability issues.\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: Will these sensors fit my 2009 Honda Civic EX 1.8L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this BELKEBIR two-pack is compatible with 2007–2011 Civic models 1.8L L4, including the 2009 EX, when matching your engine and chassis year.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to reprogram the ECU after installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No reprogramming is typically required; clear any stored codes and run the vehicle until readiness monitors complete.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BELKEBIR","offers":[{"title":"Default Title","offer_id":48086615523486,"sku":"B0F6K1PKVF","price":58.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/belkebir-front-packaging-civic-oxygen-sensors.jpg?v=1785901547","url":"https:\/\/northtrailauto.ca\/products\/belkebir-oxygen-sensor-pair-for-2007-2011-honda-civic-1-8l-upstream-downstream-o2-sensors-oem-fit","provider":"North Trail Auto","version":"1.0","type":"link"}