Focus Mk3 Catalytic Converter
Replacement catalytic converter — fitment, symptoms & live UK prices.
Fits Focus Mk3 — check your reg/VIN to confirm
From £83.90 · 6 live listings on eBay
View Catalytic Converter on eBay🛡️ eBay Money Back Guarantee🇬🇧 UK sellers↩️ Easy returns
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GENUINE FORD FOCUS MK3 1.0 ECOBOOST CATALYTIC CONVERTER CM51-5E211-CD 2011-2015
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Will it fit my Focus Mk3?
Must be the correct emissions-spec cat for your engine and year, or it'll fail MOT. Type-approved units only.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Focus Mk3 catalytic converter needs replacing
- P0420 / catalyst efficiency code
- Rattling inside (broken substrate)
- Failed emissions/MOT
- Sluggish, rotten-egg smell
Fitting it yourself
Bolt-on or welded depending on setup. Lambda sensors often transfer over.
See Catalytic Converter prices on eBayMore Focus Mk3 parts
HeadlightFocus Mk3ExhaustFocus Mk3TurboFocus Mk3Water PumpFocus Mk3Timing BeltFocus Mk3Timing ChainFocus Mk3
Live pricesFrom £83.90
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