Is an Ultrasonic Cleaner Good for Car Parts?

There’s been tons of hype around Ultrasonic Cleaners and we wanted to know if they really can clean our car parts…


An ultrasonic cleaner is a container which you pour fluid into that’s agitated through the use of a transducer. The transducer uses ultrasound frequencies which creates cavitation bubbles that clean the submerged parts.

We have tons of car parts from our BMW e30 to our Datsun 510 with caked grease, dirt, and grime which would be a perfect candidate for an Ultrasonic Parts Cleaner. So we decided to pit a Digital Ultrasonic Cleaner 10 Liter that we got from Vevor verses some good old elbow grease.

Vevor Digital Ultrasonic cleaner and dirty car parts

BMW e30 Dirty Car Parts w/Vevor Ultrasonic Cleaner

The first set of parts included engine mounts and an a oil filter mount from our 1984 BMW 318i e30 restoration project car. All these car parts have a thick layer of oil, dirt, and grime. The engine mount aluminum webbing will also put the ultrasonic cleaner to the test as these parts will be very hard to clean by hand.

Simple Green Ultrasonic Cleaner

Simple Green Max (Safe for Aluminum Car Parts)

We decided to use some Simple Green Max Degrease Solution because it’s noted to be safe on aluminum car parts.

The engine and oil filter mounts went into the Ultrasonic Parts Cleaner with 1/10 of the Simple Green Max diluted with water. The other engine mount went into a small plastic tub which will be cleaned with a brush soaked in some Simple Green.

The Vevor Ultrasonic Cleaner also comes with a basket that keeps our car parts suspended above the bottom of the container to allow agitation to occur on the bottom of the part. We set the temperature on the Vevor to 40c (104F) and set the ultrasonic parts cleaner timer to run for 30 minutes.

Ultrasonic Cleaner Results (Left is hand scrubbed car part)

As the 30 minute timer started we scrubbed the extra engine mount by hand while the ultrasonic cleaner did its job. After 30 minutes, we compared our hand cleaned part with the parts from the Ultrasonic Cleaner.

Most of the grease and dirt was removed by the Ultrasonic Cleaner and the little bit of dirt left wiped right off. The hand cleaned part came out somewhat decent, but any extra dirt wouldn’t rub right off.

So I think its definitely safe to say that an Ultrasonic parts cleaner can clean your car parts. We also tested cleaning rusty car parts which has some interesting results. We have so many more parts to clean for our project cars and who knows, we may even save up enough to buy a larger unit big enough to clean valve covers one day :)

THE ULTRASONIC CLEANER PARTS LIST

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ULTRASONIC CLEANER CLEANING CART PARTS IN ACTION

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