Toyota Yaris Engine Mount: Specs, Fitment & Common Faults

On the Yaris, hybrid and non-hybrid models genuinely use different mount part numbers — worth verifying before ordering.

Illustration for editorial purposes

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OEM Part Number: 12372-21150

Genuinely important to know: the engine code (not just the model name) is the reliable way to identify the correct Yaris mount, since the same model was often sold with several different engines across its production run, and mounts are rarely interchangeable between them.

2006-2018, 1.5L (1NZ-FE), genuine left engine mount	Toyota OEM: 12372-21150 (also referenced as 12372-21131)
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 Important Compatibility Warning Worth Knowing — Toyota Yaris Engine Mount

If your car has both hybrid and non-hybrid variants, this is genuinely worth knowing: hybrid and non-hybrid models commonly use different engine mount part numbers, despite looking broadly similar. Always verify your exact engine type before ordering a replacement mount, since fitting the wrong variant is a genuine, documented mistake worth avoiding.

Worth knowing if your car is a hybrid specifically: a worn mount can make the engine's frequent automatic starting and stopping (a normal characteristic of how the hybrid system operates) feel considerably harsher and more noticeable than it should — if this transition has started feeling like a jolt rather than a smooth changeover, a worn mount is genuinely worth investigating.

It's also worth knowing that excessive vibration at idle, particularly noticeable when stopped in Drive or Reverse and lessening in Park or Neutral, is the most common documented symptom of a failing mount — worth checking this specific pattern before assuming a more complex engine fault.

Toyota Yaris Engine Mount reference plate

Toyota Yaris 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 Yaris 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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Toyota Yaris 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 Toyota Engine Mount

The same part, covered across other Toyota models.