{"product_id":"weida-oxygen-sensor-o2-sensor-lambda-air-fuel-ratio-for-volvo-s40-v50-c30-ford-focus-c-max-fiesta-v-3m51-9f472-ab","title":"Heated Oxygen Sensor For Volvo S40 And Ford Focus Four-Wire Replacement Part 3M51-9F472-AB","description":"\u003cdiv\u003e\n\u003ch2\u003eMain Description\u003c\/h2\u003e\n\u003cp\u003eMeet the Volvo S40, Ford Focus Heated Oxygen Sensor 3M51-9F472-AB from WEIDA AUTO PARTS — a precise, four‑wire replacement designed to restore optimal exhaust sensing and engine management. This heated O2 sensor uses a reliable piezoelectric sensing element to deliver accurate readings quickly, even from a cold start, helping your ECU calibrate air–fuel mixtures efficiently. By speeding up warm-up and stabilizing sensor signals, it supports smoother idling, improved fuel economy, and lower emissions over time.\u003c\/p\u003e\n\u003cp\u003eDesigned for direct compatibility, this sensor covers Volvo S40, S40 V50, C30 and Ford models including Focus, C-Max, and Fiesta. OEM number 3M51-9F472-AB ensures a precise fit and seamless integration with your vehicle’s exhaust system. Originating in Mainland China, it’s manufactured to meet consistent quality standards so you can trust it to perform reliably mile after mile.\u003c\/p\u003e\n\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\n\u003cp\u003eAt intercyprus.com since 2002 — trusted for quality and reliability.\u003c\/p\u003e \u003ch2\u003eBenefits \u0026amp; Tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFast heating and stable readings reduce cold-start roughness and help the engine reach optimal efficiency sooner.\u003c\/li\u003e \u003cli\u003eAccurate oxygen measurements improve ECU fuel trimming, contributing to lower emissions and better fuel economy in daily driving.\u003c\/li\u003e \u003cli\u003eEasy direct-fit replacement for vehicles listed (Volvo S40, S40 V50, C30, Ford Focus, C-Max, Fiesta) with OEM reference 3M51-9F472-AB—no guesswork for installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e WEIDA AUTO PARTS\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeating Type:\u003c\/strong\u003e Heated (4-wire)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWire Count:\u003c\/strong\u003e 4 wires\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM \/ Part No.:\u003c\/strong\u003e 3M51-9F472-AB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMeasuring Range:\u003c\/strong\u003e Compatible with Volvo S40, S40 V50, C30, Ford Focus, C-Max, Fiesta\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRepeatability:\u003c\/strong\u003e 90\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e Oxygen Sensor\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHysteresis:\u003c\/strong\u003e 3M51-9F472-AB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage includes:\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e1 x Heated Oxygen Sensor (O2 sensor) – 3M51-9F472-AB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWarnings \/ Reminders\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDisconnect the battery and allow the exhaust system to cool before installation.\u003c\/li\u003e \u003cli\u003eEnsure proper torque and alignment during replacement to avoid exhaust leaks or sensor damage.\u003c\/li\u003e \u003cli\u003eThis part is intended as a direct replacement for compatible models listed; verify OEM number before purchase.\u003c\/li\u003e \u003cli\u003eProfessional installation is recommended if you are not experienced with exhaust-sensor replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProviding quality and trusted service since 2002 at intercyprus.com.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":52391928299862,"sku":"32901941945-Default Title","price":35.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/Hc204b08732bd4014b510ef43a91e247eH.webp?v=1768928312","url":"https:\/\/www.intercyprus.com\/fr\/products\/weida-oxygen-sensor-o2-sensor-lambda-air-fuel-ratio-for-volvo-s40-v50-c30-ford-focus-c-max-fiesta-v-3m51-9f472-ab","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}