{"product_id":"fainwan-mass-air-flow-sensor-maf-br31-12b579-aa-for-2011-2018-ford-f-series-suvs-direct-fit-abs","title":"FainWan Mass Air Flow Sensor MAF BR31-12B579-AA for 2011–2018 Ford F-Series \u0026 SUVs — Direct Fit, ABS","description":"\u003cp\u003e\u003cstrong\u003eFainWan Mass Air Flow Sensor Meter BR31-12B579-AA is a direct-replacement MAF sensor designed to restore accurate air-measurement for compatible 2011–2018 Ford vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is showing drivability issues that point to incorrect airflow readings—or you want a durable replacement part for preventative maintenance—this FainWan MAF sensor matches the OE fitment and electrical connector for many Ford models. The unit is molded from high-quality ABS plastic and supplied as a ready-to-install one-piece assembly that replaces OEM part numbers BR31-12B579-AA, BR3Z-12B579-A, and BR3Z12B579A.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this MAF sensor affect my vehicle's performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing mass air flow sensor helps the engine control module get accurate air intake data, which improves fueling precision and throttle response. You may notice smoother idling, more consistent acceleration, and fewer diagnostic errors once the new sensor is installed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores accurate air-flow signals to the ECU\u003c\/li\u003e\n  \u003cli\u003eCan reduce rough idle and hesitation\u003c\/li\u003e\n  \u003cli\u003eHelps correct fuel trim and combustion balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich models and years is this FainWan MAF compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is made to fit a broad range of Ford vehicles from the 2011–2018 model years, including light trucks, vans, SUVs, and select passenger cars. Verify the OEM part number or vehicle compatibility chart for an exact match before buying.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits F-150, F-250\/F-350\/F-450\/F-550 Super Duty series (2011–2018)\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with Mustang, Fusion, Taurus, Explorer, Expedition, Transit series, and police interceptor variants\u003c\/li\u003e\n  \u003cli\u003eReplaces BR31-12B579-AA \/ BR3Z-12B579-A \/ BR3Z12B579A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the FainWan MAF sensor easy to install and reliable?\u003c\/h3\u003e\n\u003cp\u003eThe unit is built as a direct-replacement assembly that uses the factory mounting points and connector, so no special modification is required. The ABS housing is corrosion-resistant and engineered for long-term use under engine-bay conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design for straightforward swap-out\u003c\/li\u003e\n  \u003cli\u003eDurable ABS plastic resists heat and contaminants\u003c\/li\u003e\n  \u003cli\u003eShips as a single MAF meter with a one-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before ordering this sensor?\u003c\/h3\u003e\n\u003cp\u003eConfirm your vehicle’s year, make, model, and the existing sensor’s part number to ensure compatibility. If you have a check-engine light or diagnostic codes (e.g., related to mass air flow), save those details to compare after replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch your OEM part number to BR31-12B579-AA or listed equivalents\u003c\/li\u003e\n  \u003cli\u003eInspect the connector and mounting bracket on your vehicle\u003c\/li\u003e\n  \u003cli\u003eRecord any engine codes to verify resolution post-install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The FainWan BR31-12B579-AA MAF sensor is intended for DIY mechanics, independent shops, and fleet owners who need a reliable, cost-effective replacement for worn or malfunctioning mass air flow meters on compatible 2011–2018 Ford vehicles. It’s a practical option if you require an OE-style fitment, straightforward installation, and a 12-month warranty for peace of mind.\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: Does this MAF sensor fit my 2015 F-150?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the BR31-12B579-AA is compatible with many 2011–2018 F-150 models; verify your OEM part number to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty covers this FainWan sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: FainWan includes a 12-month warranty; contact the seller via the original sales channel for service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FainWan","offers":[{"title":"Default Title","offer_id":55167300370775,"sku":"B0BZ58BPZN","price":41.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/fainwan-maf-front-assembly.jpg?v=1790382187","url":"https:\/\/britishgarage.co.uk\/products\/fainwan-mass-air-flow-sensor-maf-br31-12b579-aa-for-2011-2018-ford-f-series-suvs-direct-fit-abs","provider":"British Garage","version":"1.0","type":"link"}