Fiesta Mk8 Oxygen Sensor
Replacement oxygen sensor — fitment, symptoms & live UK prices.
Fits Fiesta Mk8 — check your reg/VIN to confirm
From £19.95 · 6 live listings on eBay
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FORD FIESTA MK8 1.1L OXYGEN O2 LAMBA SENSOR BEFORE CATALYTIC CONVERTER 2017-2022
£19.95View ›
FORD FIESTA MK8 1.0 O2 OXYGEN LAMBA SENSOR AFTER CATALYTIC CONVERTER 2017-2022
£19.95View ›
FORD FIESTA MK8 OXYGEN SENSOR AFTER CATALYTIC CONVERTER H1B1-9G444-AA 2017-2022
£19.95View ›
FORD FIESTA MK8 OXYGEN SENSOR AFTER CATALYTIC CONVERTER H1B1-9G444-AA 2017-2022
£19.95View ›
FORD FIESTA MK8 OXYGEN O2 SENSOR BEFORE CAT CATALYTIC CONVERTER 2017-2022
£20.00View ›
FORD FIESTA MK8 OXYGEN O2 SENSOR BEFORE CAT CATALYTIC CONVERTER 2017-2022
£20.00View ›
Will it fit my Fiesta Mk8?
Pre-cat (upstream) and post-cat (downstream) sensors are different parts — check which one your fault code points to, and how many your engine has.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Fiesta Mk8 oxygen sensor needs replacing
- Engine warning light (O2/lambda code)
- Poor fuel economy
- Rough idle or hesitation
- Failed emissions/MOT
Fitting it yourself
Usually a single plug and a thread into the exhaust — quick if it's not seized. Penetrating oil helps on an old sensor.
See Oxygen Sensor prices on eBayMore Fiesta Mk8 parts
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Live pricesFrom £19.95
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