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Mass Air Flow Meters

A Mass Air Flow sensor (MAF) is used to find out the mass flowrate of air entering a fuel-injected internal combustion engine.


The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature, altitude and the use of forced induction, which means that mass flow sensors are more appropriate than volumetric flow sensors for determining the quantity of intake air in each piston stroke.


Find the right Mass Air Flow Meter for Your Vehicle

Our site makes it easy to find a Mass Air Flow Meter or Sensor for your vehicle. Each of our product pages includes a handy compatibility table, allowing you to match up the right product with the make, model, spec, engine size and age of your vehicle.


Simply use the filter options to select the correct manufacturer and the select the item you need.


Alternatively, if you already know the O.E.M. or aftermarket part number of the product you need, our search box in the top right of every page makes it easy to find what you need.


To view our full Air Flow Meter range please click here.


Free Next Day Delivery

To ensure you receive your products as quickly as possible, we offer free next day UK delivery on all products.