Ford B-Max Engine Mount: Specs, Fitment & Common Faults

The passenger-side hydraulic mount is a well-documented weak point on this platform — and cheap aftermarket replacements can make things worse.

Illustration for editorial purposes

OEM Part Numbers

Main engine mount	Ford OEM part, specific to engine — confirm via VIN
Transmission mount & rear torque strut	Genuinely separate part numbers to the main engine mount — sold individually or as a kit, and worth inspecting together if chasing a vibration or clunk

Accuracy note: genuinely worth knowing: automatic and manual gearbox variants of the B-Max sometimes use different transmission-side mounts, since the two gearbox types differ in weight and mounting points — confirm your transmission type as well as engine code before ordering.

The Passenger-Side Hydraulic Mount Is a Well-Documented Weak Point

Across several Ford models sharing similar engine mount architecture to the Focus, the passenger-side mount is consistently the first and most common to fail. Unlike the simpler solid rubber mounts elsewhere on the car, this one is fluid-filled to provide better vibration damping — but that design means the internal rubber can tear and let hydraulic fluid leak out, at which point the mount collapses. Once it does, engine vibration transmits directly into the cabin: a strong shake through the steering wheel and pedals (particularly noticeable stopped in Drive), dashboard rattles, and a distinct clunk when accelerating, braking, or shifting between Drive and Reverse.

A genuine, checkable visual test: the passenger-side mount is easy to inspect directly — when healthy, there's a clear, visible gap between the rubber portion and the metal bracket beneath it. On a failed mount, the rubber has collapsed enough to be touching or nearly touching the bracket, sometimes with visible dark hydraulic fluid staining. Worth checking before paying for a diagnosis.

Worth knowing before buying a replacement: independent mechanics and owners consistently report that budget aftermarket brands can actually cause more vibration than the worn-out original mount, and frequently fail again within months rather than years. Paying the premium for a genuine Motorcraft (Ford's own parts brand) or a well-reviewed mid-tier hydraulic mount is generally worth it given how often owners report doing the job twice after trying to save money the first time.

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 B-Max 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.

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 Ford Engine Mount

The same part, covered across other Ford models.

Ford B-Max Engine Mount: Specs, Fitment & Common Faults

OEM Part Numbers

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