{"product_id":"oxygen-sensor-lambda-air-fuel-ratio-o2-sensor-for-ford-c-max-fiesta-focus-volvo-c30-s40-v50-3m51-9f472-ac-0258006573-0258006574","title":"Oxygen Sensor Lambda 4-Wire Air-Fuel Ratio Sensor for Ford C-Max Fiesta Focus Volvo C30\/S40\/V50","description":"\u003cdiv\u003e\n\u003ch2\u003eMain description\u003c\/h2\u003e\n\u003cp\u003eMeet the Ford C-Max Oxygen Sensor Lambda 4-Wire Air-Fuel Ratio Sensor from WEIDA AUTO PARTS. This direct-fit sensor is designed to match the OEM reference 3M51-9F472-AC, ensuring compatibility with Ford C-Max, Fiesta, Focus, and Volvo C30\/S40\/V50 models. Its 4-wire heated design accelerates warm-up, delivering stable, accurate oxygen readings from the moment you start the engine. By helping the engine control unit precisely balance the air and fuel mixture, this sensor supports smoother idling, quicker throttle response, and reduced emissions. A reliable replacement that maintains engine efficiency without guesswork, built for durability in challenging driving conditions. Origin: Mainland China.\u003c\/p\u003e \u003cp\u003eWith the Ford C-Max Oxygen Sensor Lambda 4-Wire, you’ll experience a more consistent fuel mixture, cleaner exhaust, and improved overall drivability—especially during cold starts and city driving where sensor accuracy matters most. This sensor is engineered to slot right into your existing system, making maintenance simpler and keeping your vehicle performing at its best.\u003c\/p\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\u003eSince 2002, intercyprus.com has stood for reliability and quality in automotive parts, giving you peace of mind with every purchase.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFast response after startup: the 4-wire heated design reaches operating temperature quickly, delivering reliable readings sooner for optimal fuel trimming.\u003c\/li\u003e \u003cli\u003eBetter fuel economy and lower emissions: accurate oxygen readings help the engine run closer to the ideal air-fuel ratio across driving conditions.\u003c\/li\u003e \u003cli\u003eEasy, direct-fit replacement: matches the OEM specification (3M51-9F472-AC) for Ford C-Max, Fiesta, Focus, and Volvo C30\/S40\/V50—minimizing installation guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e WEIDA AUTO PARTS\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM No.:\u003c\/strong\u003e 3M51-9F472-AC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWires:\u003c\/strong\u003e 4-wire heated configuration\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMeasuring Range:\u003c\/strong\u003e for Ford C-Max, Fiesta, Focus, Volvo C30, S40, V50 (OEM 3M51-9F472-AC)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e Oxygen Sensor\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes:\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x Oxygen Sensor Lambda 4-Wire Air-Fuel Ratio Sensor (OEM 3M51-9F472-AC) for Ford C-Max, Fiesta, Focus, Volvo C30\/S40\/V50\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings\/Reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCompatibility confirmation: ensure this sensor matches your vehicle models and OEM number (3M51-9F472-AC) before installation.\u003c\/li\u003e \u003cli\u003eHandle with care: avoid touching the sensing element and keep the connector clean and dry during replacement.\u003c\/li\u003e \u003cli\u003eInstallation cautions: disconnect the battery and follow your vehicle’s service manual for proper torque and sealing to prevent exhaust leaks.\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\u003eSince 2002, intercyprus.com has stood for reliability and quality in automotive parts, giving you peace of mind with every purchase.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":52391927251286,"sku":"32974849490-Default Title","price":36.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/H0033180be4e64ca8836b6004ab5ae439l.webp?v=1768928306","url":"https:\/\/www.intercyprus.com\/fr\/products\/oxygen-sensor-lambda-air-fuel-ratio-o2-sensor-for-ford-c-max-fiesta-focus-volvo-c30-s40-v50-3m51-9f472-ac-0258006573-0258006574","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}