Liqui Moly Cera Tec: the anti-wear protection that extends your engine’s life

There’s a product we talk about almost fondly in the workshop: Liqui Moly Cera Tec. It’s not smoke or salesman’s promises; it’s precision chemistry in a small bottle. Here’s what it does and why, when the car calls for it, we recommend it without hesitation.

What Cera Tec actually is

Cera Tec is an anti-wear additive based on hexagonal boron nitride ceramic micro-particles suspended in oil. It sounds like a lab, and it is: those particles are under half a micron, so they pass through the oil filter without clogging it.

It mixes with any motor oil on the market — and with gearbox oils too — so there’s no need to change your usual lubricant. You just add it.

How it protects your engine from the inside

However polished it looks, engine metal has microscopic irregularities. Cera Tec fills them and forms a ceramic layer that reduces direct metal-to-metal contact — exactly what causes wear.

That barrier also withstands extreme pressure and temperature, those moments when ordinary oil starts to lose its film. It’s a life insurance policy for the parts that suffer most.

What you feel: less wear, less fuel, a smoother ride

Less friction means three very concrete things: the engine wears less, burns slightly less fuel and runs smoother and quieter. It’s not magic, it’s physics: if parts rub less, everything costs less.

And the effect lasts. One application protects for a long time — up to around 50,000 km — so it’s usually added during an engine oil change and forgotten for several services.

Not just for the engine: for the gearbox too

Because it’s compatible with transmission oils, Cera Tec also protects manual gearboxes, where gear-on-gear contact is constant.

If you want to look after that expensive part of the car, check our article on gearbox oil: you’ll see why protecting it in time saves huge bills.

Is it right for my car?

Cera Tec shines above all in cars with mileage, in hard-working engines, or when you want to extend the vehicle’s life to the maximum. On a new car under warranty, we assess it with you case by case.

At Fast Cambio we offer it with no pressure: we tell you whether it’s worth it for your car and add it in the same oil change, no appointment and a fixed price before we start.

Frequently asked questions