FuelMarble S Size – Japanese Fuel Efficiency Booster | Cars & Delivery van

Enhance fuel efficiency, reduce emissions, and improve engine performance with FuelMarble’s compact S-Size hydrophilic core

£239.00

Made in Japan. Proven by real driving tests.
FuelMarble S Size is engineered to optimise your engine’s fuel combustion, helping your vehicle run smoother, cleaner, and more efficiently — without tools, wiring, or modifications.

If you’re looking for consistent fuel savings for daily driving, the FuelMarble S is designed for small to medium engines or trucks weighing less than 2 tons. This compact hydrophilic core improves coolant flow and enhances combustion efficiency, leading to improved mileage, lower emissions, and reduced fuel costs.

Key Performance Benefits

🔋 Increase Driving Distance — Average 20.8%*

Many drivers experience a noticeable improvement in fuel efficiency after 150–200 km of driving. Fuel goes further, and engines run more efficiently.

💸 Reduce Fuel Costs — Estimated 7–15% Savings*

By improving combustion efficiency, your engine requires less fuel to produce the same power, saving money every time you fill up.

🌱 Cut Exhaust Emissions — 5–100% Reduction*

Independent tests have shown significant reductions in NOx, CO, and CO₂ emissions, helping your vehicle run cleaner and greener.

🔧 No Tools. No Modifications. No Risk.

Install FuelMarble S Size in under 2 minutes. It’s a simple plug-and-play upgrade compatible with most cars, motorcycles, and small-engine vehicles. 

🚗 Recommended For

  • Sedans & compact cars

  • Motorcycles & scooters

  • Small petrol vehicles

  • Daily commuters

  • Any vehicles / trucks below 2-ton

  • Anyone wanting better mileage & cleaner emissions

🧪 Technology Inside

FuelMarble uses a Japanese-engineered hydrophilic, low-viscosity core to enhance coolant flow. This results in lower engine temperatures, smoother internal circulation, and more efficient fuel–air combustion.

When Will You Notice the Difference?

Most drivers experience improvements after 150–200 km, as the hydrophilic microstructure activates within the cooling system.

📦 Package Includes

  • 1 × FuelMarble S Size unit

  • Quick-start installation guide

⚠️ Notes

Actual performance may vary depending on vehicle type, driving conditions, and maintenance. Fuel savings and emission reductions are based on verified road and lab tests.

We accept returns only for FuelMarble products that arrive damaged or broken. If you receive an item in this condition, please contact us within the specified return window with supporting photos, and our team will assist you promptly. FuelMarble reserves the final right to evaluate and approve all return requests to ensure fairness and product integrity.