Ford Fiesta Mk8 bulb types

Dipped: H7 · Main: H1 · Indicators: PY21W · Brake/tail: P21/5W

2017–2023. UK specification. Halogen base spec unless a row says otherwise — cars with factory xenon or LED headlamps use sealed units for those positions.

Ford Fiesta Mk8

2017–2023 · bulbsAll 10 verified

Dip beam (low)H7VerifiedHalogen trims; higher trims (Titanium+/ST-Line, 2020+) may have non-replaceable LED dip units
Main beam (high)H1Verified
Front fogH11VerifiedIf fitted; two generic catalogues list H8 — owner threads say H11
Sidelight / DRLW5WVerifiedSidelight bulb (501); DRL is a separate non-replaceable LED unit in the headlamp surround
Front indicatorPY21WVerifiedAmber bayonet, non-LED-indicator trims
Rear indicatorPY21WVerifiedAmber bayonet; tight access per owners
Brake / tailP21/5WVerifiedLower-spec models per handbook quote; higher trims LED tail
ReverseW16WVerifiedOften listed as P21W elsewhere — wedge (955)
Rear fogP21WVerifiedXenons Online Mk8 2018-2022 rear fog product is P21W (BA15s, UK 382); buycarparts Mk8 rear fog lamp units (Abakus/Alkar/Diederichs/Metzger) all spec P21W. Bumper-mounted lamp, drivers side.
Number plateW5WVerifiedStandard trims; LED plate lamps (not serviceable) on trims with camera-integrated plate lamp

Sources · last checked 5 Sept 2026

Source: fordownersclub.com Mk8 bulb change threads (Dip beam (low))
Two independent sources agree: fordownersclub.com Mk8 bulb change thread; autobeam.co.uk Fiesta Mk8 (Main beam (high))
Two independent sources agree: fordownersclub.com Mk8 fog thread; activemotorparts.com (Front fog)
Two independent sources agree: fordownersclub.com W5W sidelight thread; autobeam.co.uk DRL module listing (Sidelight / DRL)
Two independent sources agree: autobeam.co.uk Fiesta Mk8; micksgarage.com Fiesta 2017+ (Front indicator)
Two independent sources agree: autobeam.co.uk Fiesta Mk8; fordownersclub.com rear indicator thread (Rear indicator)
Two independent sources agree: fordownersclub.com rear bulb thread (handbook quote); autobeam.co.uk Fiesta Mk8 (Brake / tail)
Two independent sources agree: autobeam.co.uk Fiesta Mk8 OEM table; micksgarage.com Fiesta 2017+ (Reverse)
Two independent sources agree: xenonsonline.com Fiesta MK8 rear fog P21W product page; buycarparts.co.uk Fiesta 2017+ rear fog lamp unit specs (xenonsonline.com ↗) (Rear fog)
Two independent sources agree: autobeam.co.uk Fiesta Mk8; fordownersclub.com ST number plate thread (Number plate)

Checked by FitsMyCar against the sources above · how we check

Ford's handbooks ↗

Can you fit LED bulbs to the Fiesta Mk8?

Most trims of this car have halogen headlamps. In the UK, a halogen headlamp unit on a car first used on or after 1 April 1986 must not be converted to LED or HID bulbs: the MOT inspection manual (§4.1.4) treats a converted unit as a fail, however bright or well aimed it is. “Retrofit LED H7” bulbs sold for these cars are for off-road use. Halogen upgrade bulbs (+150% and similar) are legal because the unit is unchanged. Sidelights, indicators and number-plate LEDs are a separate question — E-marked LED versions of those are road legal.

Source: MOT inspection manual, section 4 — lamps ↗. Headlamp technology recorded as halogen on most trims, xenon or LED on some — how we check.

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