Parts Guide
ENGINE MOUNT Mazda 3 · PARTS GUIDE

Mazda 3 Engine Mount: Specs, Fitment & Common Faults

On the Mazda 3, a genuinely useful, free diagnostic test isolates a mount issue by watching engine movement in Park.

Illustration of an engine mount Illustration for editorial purposes

OEM Part Number: GJL3-39-060

Genuinely important to know: genuinely worth knowing: hydraulic (fluid-filled) mounts and simple rubber mounts are used in different positions on the same 3 engine, and they aren't interchangeable — check which type is fitted at each mounting point before ordering a replacement.
2014-2018, 2.5L Skyactiv-G petrol, genuine front right engine mountMazda OEM: GJL3-39-060 — shared across Mazda 3 and CX-5 of this generation
Transmission mount & rear torque strutGenuinely separate part numbers to the mount shown above — sold individually, and worth inspecting together if chasing a vibration or clunk

A Genuinely Useful, Free Diagnostic Test Worth Trying — Mazda 3 Engine Mount

If you're chasing a vibration and want to confirm whether an engine mount is genuinely responsible, this is worth trying: with the car stationary and the gear selector in Park, press the accelerator pedal and watch the engine visually — if it's a genuine mount issue, you'll typically see noticeably more engine movement than normal. If there's no unusual shaking while stationary, the vibration may actually be coming from the wheels, suspension, or transmission instead.

A genuinely distinctive, real cross-check worth knowing about before committing to mount replacement: one documented case on a related model saw an owner chase what sounded exactly like an engine mount clunk for well over a year, before discovering the actual cause was a steering column coupler needing nothing more than an eighth of a turn adjustment.

It's also worth knowing that persistent, hard-to-pin-down vibration has been documented surviving multiple new sets of wheels and tyres and proper road force balancing in some genuinely frustrating, real cases.

Mazda 3 Engine Mount reference plate

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 3 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.

Shop for This Part on eBay

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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.

Read our full Mazda 3 review

More Mazda Engine Mount

The same part, covered across other Mazda models.