Focus ST Mass Air Flow Sensor
Replacement mass air flow sensor — fitment, symptoms & live UK prices.
Fits Focus ST — check your reg/VIN to confirm
From £14.95 · 6 live listings on eBay
View Mass Air Flow Sensor on eBay🛡️ eBay Money Back Guarantee🇬🇧 UK sellers↩️ Easy returns
Ford Focus Mk3 Air Flow Mass Meter Sensor Unit 7M51-12B579-BB
£14.95View ›
MAF MASS AIR FLOW SENSOR METER AFM FOR FORD FOCUS MK2 2.5 ST PETROL (2005-2011)
£16.48View ›
Mass Air Flow Meter Sensor For Ford Focus Mk2 Mk3 S C-max Kuga 7M51-12B579-BB UK
£19.80View ›
FOR FORD FOCUS MK2 2.5 ST PETROL (2005-2011) MAF MASS AIR FLOW SENSOR METER AFM
£20.05View ›
FORD FOCUS ST 2.5 2005-2012 MAF MASS AIR FLOW METER SENSOR
£22.95View ›
FOR FORD FOCUS MK2 2.5 ST MAF MASS AIR FLOW SENSOR METER AFM UK
£24.59View ›
Will it fit my Focus ST?
Match the part to your exact engine code and trim — confirm against your registration before buying.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Focus ST mass air flow sensor needs replacing
- Worn, failed, or fault-code flagged
- Noise, leak, or warning light
- MOT advisory or failure
Fitting it yourself
Difficulty varies — check a model-specific guide before starting.
See Mass Air Flow Sensor prices on eBayMore Focus ST parts
Engine MountFocus STWheel BearingFocus STExhaustFocus STTurboFocus STIntercoolerFocus STDrive ShaftFocus ST
Live pricesFrom £14.95
View on eBay