Fiat 500L Engine Mount: Specs, Fitment & Common Faults

On the 500L, a genuinely useful DIY test isolates whether the rear engine mount is responsible for a vibration.

Illustration for editorial purposes

Opens live listings in a new tab.

OEM Part Number: 55702833

Genuinely important to know: automatic and manual gearbox variants of the 500L 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.

2012+, 1.4 16V, genuine engine mount	Fiat OEM: 55702833 (also referenced as 519103720, 843A1000)
Transmission mount & rear torque strut	Genuinely separate part numbers to the mount shown above — sold individually, and worth inspecting together if chasing a vibration or clunk

A Genuinely Useful DIY Diagnostic Technique Worth Knowing — Fiat 500L Engine Mount

If you're trying to isolate whether the rear engine mount specifically is responsible for a vibration, this is genuinely worth trying: disconnecting the rear mount and instead supporting the engine on a trolley jack, with a block of wood and a rubber mat under the sump for protection, then running the engine to see if the vibration disappears, can help confirm whether this specific mount is genuinely the cause before committing to a replacement.

A genuinely specific, real technical detail worth knowing: the mount contains a plastic component internally that can break down and deteriorate with age and heat cycling, distinct from the more commonly expected rubber perishing — a genuine reason a mount can fail even when the visible rubber portions still look reasonably sound.

It's also genuinely worth knowing that related models in Fiat's range have had confirmed technical bulletins addressing excess engine mount vibration, with documented cases of mount failure at relatively low mileage — worth asking a dealer whether a similar bulletin applies to your specific engine.

Fiat 500L 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 500L 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.

Find Fiat 500L Engine Mount Here!

Opens live listings in a new tab.

Fiat 500L 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 Fiat Engine Mount

The same part, covered across other Fiat models.