{"product_id":"234-4390-new-car-downstream-air-fuel-ratio-o2-oxygen-lambda-sensor-for-mazda-3-5-2004-2007-2344390-l3a1-18-861b-l3a1-18-861c","title":"O2 Sensor Downstream for Mazda3 and Mazda5 2004-2007","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your Mazda’s exhaust management with the O2 Sensor Downstream for Mazda3 and Mazda5 (2004-2007). This heated, piezoelectric downstream oxygen sensor from IWOKPHD is designed to monitor exhaust gas after the catalytic converter, helping your engine control unit maintain an accurate air-fuel ratio, improve emissions performance, and keep your vehicle running smoothly. Intended for Mazda3 models 2004-2005 and Mazda5 models 2006-2007, it serves as a direct replacement to restore proper sensor signaling.\u003c\/p\u003e \u003cp\u003eCompatibility and part numbers you may encounter include: 234-4390, L3A1-18-861A, L3A1-18-861B, L3A1-18-861C, L3A1-18-861C9U, L3K2-18-861, L3K2-18-861A, L3K2-18-861B, L3K2-18-861B9U, LF68-18-861A, LF68-18-861B, LF68-18-861B9U, LF68-18-861C, LF68-18-861D, LF68-18-861D9U. The only way to be 100% sure the part fits your vehicle is to check your original part or send the part number\/or photos to confirm before ordering. If you’re unsure which item fits, please contact us and we’ll check compatibility within 24 hours.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHelps the engine control unit optimize fuel trims and maintain catalytic converter efficiency by providing accurate downstream oxygen readings.\u003c\/li\u003e \u003cli\u003eActs as a reliable direct replacement for Mazda3 2004-2005 and Mazda5 2006-2007, supporting smooth idle, improved throttle response, and better emissions performance.\u003c\/li\u003e \u003cli\u003eTip: compare part numbers carefully with your original sensor and reference the provided list to confirm fit before purchase; for any doubt, reach out to our team for verification within 24 hours.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBrand: IWOKPHD\u003c\/li\u003e \u003cli\u003eSensor Type: Piezoelectric\u003c\/li\u003e \u003cli\u003eType: Heating (heated) O2 sensor\u003c\/li\u003e \u003cli\u003eApplication: FOR MAZDA 3 2004-2005; FOR MAZDA 5 2006-2007\u003c\/li\u003e \u003cli\u003ePart Numbers: 234-4390, L3A1-18-861A, L3A1-18-861B, L3A1-18-861C, L3A1-18-861C9U, L3K2-18-861, L3K2-18-861A, L3K2-18-861B, L3K2-18-861B9U, LF68-18-861A, LF68-18-861B, LF68-18-861B9U, LF68-18-861C, LF68-18-861D, LF68-18-861D9U\u003c\/li\u003e \u003cli\u003eOrigin: Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 piece O2 sensor downstream\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings \/ reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlease check the picture and the part number carefully to make sure that you bought the right part for your car.\u003c\/li\u003e \u003cli\u003eIf you cannot be sure which item fits your car, please send the Part Number or the original product photos to us to confirm before order.\u003c\/li\u003e \u003cli\u003eThe only way to be 100% sure that the part will fit your vehicle is to check your original part. We will check for you and reply within 24 hours.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eAt intercyprus.com since 2002 — trusted for quality and reliability.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":53999781478742,"sku":"1005012237467425-Default Title","price":38.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S916e720ba6344356bfc42e8d333e2e98O.webp?v=1779820809","url":"https:\/\/www.intercyprus.com\/fr\/products\/234-4390-new-car-downstream-air-fuel-ratio-o2-oxygen-lambda-sensor-for-mazda-3-5-2004-2007-2344390-l3a1-18-861b-l3a1-18-861c","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}