Citroen C4 Engine Mount: Specs, Fitment & Common Faults

On the C4, two genuinely free tests confirm a worn mount: watch the engine surge when switching off the ignition, plus a specific gear-change clunk pattern.

Generation covered: this guide is for the current C4 (launched 2021, facelifted 2024), with particular focus on 2021–2023 registered examples now old enough for parts to be a common search. Check your logbook or VIN if you're unsure which generation you have.

Illustration for editorial purposes

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Two Genuinely Useful, Free Tests to Confirm a Worn Mount

A genuinely simple, visual test worth trying before assuming anything else: switch off the ignition and watch the engine bay closely — on a car with a worn lower or rear engine mount, you can often physically see the engine surge or lurch forward as it comes to rest, rather than settling smoothly. This visual confirmation, combined with a distinctive clunk specifically when pulling away in first gear and changing into second, is a genuinely reliable pattern pointing toward this specific mount rather than other suspension or drivetrain components.

A genuinely useful distinguishing detail: a worn lower/rear mount typically produces the clunk specifically during the transition of pulling away and changing gear, or under acceleration and deceleration while in gear — but stays quiet if you simply rev the engine while sitting in neutral. If your clunk only appears during that specific gear-change moment and not while revving stationary in neutral, this pattern points toward the mount specifically rather than a more generic engine or suspension noise.

Genuinely good news on cost: this specific mount has been quoted at around £30 for the part alone, and is a straightforward job — with the car correctly jacked and supported on axle stands, replacement typically takes around ten minutes once you can access the two mounting bolts underneath the car.

Citroen C4 Engine Mount: Watch: Replacing It

🎬 Watch: Citroen C4 Engine MountReplacement Off Side

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This video is of an earlier generation of the same model; the job is similar but the mount positions and fixings can differ slightly.

OEM Part Number: confirm via VIN — engine mount (aftermarket) Febi 180535 / Corteco 49219172

Accuracy note: Covers the Citroen C4 (C4 III 2021-) as listed in the UK aftermarket catalogues. Engine mounts are sold by position (left, right, front, rear, upper, lower), and the right one depends on the engine, the gearbox (manual, automatic or dual-clutch) and the trim. The references below are examples from the UK aftermarket catalogue for the engines checked on this generation, so match your own engine code and gearbox before ordering; the carmaker's own numbers are not quoted in those listings, so check the genuine mount against your VIN if you want a guaranteed match.

Engine Mount — Right upper (aftermarket)	Febi 180535, Swag 33107740
Engine Mount — Rear (aftermarket)	Febi 181341, Swag 33108198
Engine Mount — Right (aftermarket)	Original Imperium 610761, Corteco 49219172 (auto)
Genuine (OE) number	Not quoted in the catalogue listings — mounts differ by engine and gearbox, so order the genuine ones against your VIN
Fitment notes	The listing above shows examples for the engines checked; petrol, diesel, manual and automatic versions often use different mounts, and cars usually have more than one mount.

As with most cars, several separate mounts (main engine mount, transmission mount, and torque strut) are fitted, each with its own part number that varies by engine and transmission type. The fully electric ë-C4 uses different mount points entirely given its motor and battery layout.

Citroen C4 Engine Mount: What It Does

Engine mounts secure the engine and transmission to the chassis while absorbing vibration and movement, preventing that vibration from transferring directly into the cabin. Most versions of the C4 use several mounts working together — typically at least one on each side of the engine plus a torque mount — and a single failed mount can throw off the whole assembly's balance.

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Citroen C4 Engine Mount: Symptoms, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Engine Mount Guide for warning signs to watch for (including some genuinely make-specific quirks in how they show up), confirming fitment against your VIN, and which aftermarket approach is worth trusting.

More Citroen Engine Mount

The same part, covered across other Citroen models.