{"product_id":"acauto-oxygen-o2-sensor-pair-for-honda-civic-accord-upstream-downstream-set-heated-oem-fit-234-4092-234-4123","title":"ACAUTO Oxygen O2 Sensor Pair for Honda Civic \u0026 Accord — Upstream\/Downstream Set, Heated OEM-Fit 234-4092\/234-4123","description":"\u003cp\u003e\u003cstrong\u003eACAUTO Oxygen O2 Sensor 234-4092\/234-4123 is a direct-fit upstream and downstream replacement designed to restore accurate air-fuel monitoring on compatible Honda and related models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis pair of oxygen sensors from ACAUTO includes both upstream and downstream units built to match OEM fitment and electrical connections for a range of late-1990s and early-2000s Honda vehicles. Each sensor uses robust materials and an integrated heater so the module reaches operating temperature quickly, giving the engine control unit reliable oxygen readings. The set replaces several OE part numbers to simplify sourcing and comes pre-treated on the threads for easier installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will these ACAUTO sensors fit?\u003c\/h3\u003e\n\n\u003cp\u003eThese sensors are intended for specific Honda platforms and model years with listed engine codes—check the vehicle application before purchasing. Compatible cars include Civic, Accord, Prelude, Odyssey, CL, TL, NSX and Oasis across various years and engine sizes noted in the compatibility list. Use the OE numbers and engine code to confirm match with your vehicle.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCivic L4 1.7 (D17A7) — 2001–2005\u003c\/li\u003e\n  \u003cli\u003eCL V6 3.2, TL V6 3.2 — select years 1997–2003 (see fitment specifics)\u003c\/li\u003e\n  \u003cli\u003eAccord V6 3.0, Prelude L4 2.2, Odyssey L4 2.2\/2.3 — select late‑90s to early‑2000s models\u003c\/li\u003e\n  \u003cli\u003eNSX V6 3.2 and Isuzu Oasis variants — verify year\/engine before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the ACAUTO sensor ensure accurate readings and durability?\u003c\/h3\u003e\n\n\u003cp\u003ePrecision materials and construction are chosen to provide consistent oxygen measurement and long service life. The sensing element uses platinum and ceramic substrates, while the housing employs stainless steel for corrosion resistance. Those choices help the sensor tolerate exhaust conditions and maintain consistent output for the vehicle’s engine control system.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePlatinum-coated sensing element for dependable signal generation\u003c\/li\u003e\n  \u003cli\u003eCeramic substrate for stable sensing characteristics\u003c\/li\u003e\n  \u003cli\u003e310S stainless steel housing for corrosion and heat resistance\u003c\/li\u003e\n  \u003cli\u003eQuality-controlled assembly to reduce premature failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat advantages does the fast-acting heater deliver in everyday driving?\u003c\/h3\u003e\n\n\u003cp\u003eThe integrated heater shortens the time the sensor needs to reach its working temperature, so the engine control unit receives valid oxygen data sooner after startup. Faster warm-up improves closed-loop fuel control during the initial minutes of driving and can reduce rough idle or rich conditions that occur while a cold sensor is warming up. This feature is especially helpful in colder climates or frequent short trips.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHeater brings sensor to operating temperature within seconds\u003c\/li\u003e\n  \u003cli\u003eImproves fuel trim stability during warm-up phases\u003c\/li\u003e\n  \u003cli\u003eSupports emissions control by reducing cold-start enrichment\u003c\/li\u003e\n  \u003cli\u003eApplies to both planar and wire-thimble sensor types\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation straightforward for a home mechanic or shop?\u003c\/h3\u003e\n\n\u003cp\u003eACAUTO sensors are built as direct-replacement parts with OE-style connectors and threads designed to match factory specifications. Each unit arrives with threads pre-coated with anti-seize to simplify removal later, and the harness plugs match factory sockets to avoid splicing or adapter requirements. Basic hand tools and an oxygen-sensor socket are usually all that’s needed for installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-fit OE-style electrical connections—no splicing required\u003c\/li\u003e\n  \u003cli\u003ePre-applied anti-seize on sensor threads for easier future removal\u003c\/li\u003e\n  \u003cli\u003eCompatible thread pitch and mounting flange for straightforward fit\u003c\/li\u003e\n  \u003cli\u003eSold as a set for upstream (pre-catalyst) and downstream (post-catalyst) replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This ACAUTO 234-4092\/234-4123 O2 sensor pair is aimed at owners and technicians working on compatible Honda and related models who need a reliable, direct-fit replacement that restores proper oxygen sensing without wiring changes. It suits drivers experiencing fuel-trim trouble codes, poor fuel economy, or those performing preventative maintenance on emissions components. Confirm vehicle year, engine code, and OE cross-reference before purchase to ensure correct application.\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 2002 Honda Civic 1.7L D17A7?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the ACAUTO 234-4092\/234-4123 pair is listed compatible with Civic L4 1.7 D17A7 for 2001–2005 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these sensors require wiring or adapter modifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — they are direct-fit with OE-style connectors and do not typically require splices or adapters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACAUTO","offers":[{"title":"Default Title","offer_id":48086675030174,"sku":"B0CQYK719H","price":64.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/acauto-front-sensor-overview.jpg?v=1785902003","url":"https:\/\/northtrailauto.ca\/products\/acauto-oxygen-o2-sensor-pair-for-honda-civic-accord-upstream-downstream-set-heated-oem-fit-234-4092-234-4123","provider":"North Trail Auto","version":"1.0","type":"link"}