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Winter car care — antifreeze, de-icer and marten protection for classic cars

Classic cars and vintage vehicles need extra attention when the cold season arrives. Whether you're preparing your classic for winter driving or storing it safely until spring, Tomaxclassics has everything you need — antifreeze, de-icer, screen wash, marten repellent and more.

 

💡 Storing your classic for winter? Read this first.

Classic cars that sit unused for months face specific risks: battery drain, marten damage to wiring, moisture in the fuel system and corrosion on exposed metal surfaces. A little preparation in autumn saves costly repairs in spring. The products on this page help you address these risks before you close the garage door.

 

Products for winter

Antifreeze

Antifreeze protects your engine coolant from freezing and your cooling system from corrosion. Classic engines — especially those with aluminium components — are sensitive to the wrong coolant type. Always check compatibility with your engine before topping up. KROON Antifreeze is available in 1 L and 5 L, suitable for a wide range of engines.

• Check antifreeze concentration every autumn — protection should reach at least –20 °C

• Always use a coolant type compatible with your engine material (aluminium or cast iron)

• Flush the system if the coolant is more than two years old

 

Antifreeze tester

A Hella antifreeze tester lets you check coolant protection in seconds — no guesswork, no mixing errors. Essential for classics that have not been serviced recently or where the coolant history is unknown.

 

De-icer spray

Frozen windscreens and door seals are a common winter frustration. MOTIP and KROON de-icer sprays clear ice quickly and are safe for rubber seals and paintwork — important on classic bodywork where seals may already be aged. The MOTIP slot de-icer (75 mL) is specifically designed for frozen door and boot locks, common on older vehicles with mechanical lock cylinders.

• De-icer spray: clears windscreens and glass in seconds

• Slot de-icer (lock de-icer): for frozen door locks, boot locks and ignition cylinders

• Safe for rubber seals — important on classics with aged weatherstripping

 

Screen wash — winter formula

Standard screen wash freezes in cold weather, blocking your washers at the worst possible moment. BO winter screen wash (ready to use, 5 L) provides frost protection down to –15 °C and keeps your washer system running in cold conditions.

 

Marten repellent — protect your wiring

Martens (stone martens) are a serious threat to parked and stored vehicles. They chew through rubber hoses, wiring insulation and coolant pipes — causing damage that is expensive and time-consuming to trace. Classics stored in garages, barns or carports are especially at risk. We offer two solutions:

• Marten repellent device: ultrasonic or electronic deterrent, placed under the bonnet

• MOTIP Cable Protect spray: coats wiring and hoses with a bitter-tasting layer that martens avoid

For maximum protection, combine both — the repellent device keeps them away from the engine bay, the spray protects individual cables if they do get in.

 

Lighting — Osram H4 for classics

The H4 bulb is the most common headlight fitting on classic cars from the 1970s through the 1990s. The Osram H4 12V 60/55W OFF ROAD SUPER BRIGHT provides significantly more light output than a standard H4 — ideal for unlit country roads and winter night driving. Note: OFF ROAD specification, for use outside public roads. Check your local regulations before fitting.

 

🚚 Dispatched same day before 16:00.

Not sure which product is right for your classic? Send us your make, model and year — we'll help you find the right winter essentials.

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