Focus ST Spark Plugs
Replacement spark plugs — fitment, symptoms & live UK prices.
Fits Focus ST — check your reg/VIN to confirm
From £38.95 · 6 live listings on eBay
View Spark Plugs on eBay🛡️ eBay Money Back Guarantee🇬🇧 UK sellers↩️ Easy returns
Genuine Ford MK3 Focus ST ST250 2.0 Ecoboost Spark Plugs - Set of 4
£38.95View ›
Spark Plugs Set 4x fits FORD FOCUS Mk3 ST 2.0 12 to 20 Bosch CB5E12405AA Quality
£39.39View ›
Genuine Ford Focus ST250 Mk3 Spark Plugs x 4 2.0 Ecoboost
£39.99View ›
Ford Focus ST170 2.0 02on NGK PLATINUM SPARK PLUGS x4
£40.50View ›
NGK Iridium IX Spark Plugs LTR7IX-11 (6510) fit Ford Focus ST MK3 Ecoboost
£42.99View ›
NGK Iridium Spark Plugs LTR7IX-11 Fit Ford Fiesta ST180 / Focus RS MK3 / ST250
£42.99View ›
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 spark plugs 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 Spark Plugs prices on eBayMore Focus ST parts
Engine MountFocus STWheel BearingFocus STExhaustFocus STTurboFocus STIntercoolerFocus STDrive ShaftFocus ST
Live pricesFrom £38.95
View on eBay