
The Story
Nulon 300ml Radiator Stop Leak is designed to seal leaks in radiators and heater cores, providing a temporary solution for cooling system issues.
The Nulon 300ml Radiator Stop Leak is a formulated solution that effectively seals leaks in various components of the cooling system, including radiator and heater cores, weeping cylinder head gaskets, and corroded welsh plugs. This product is safe to leave in the cooling system and is compatible with all types of coolant. For optimal results, it is recommended to add one bottle for every 10 litres of water or coolant. The formulation is designed to be safe for seals and hoses, ensuring no adverse effects on metals. It is important to note that this product should only be used as a temporary repair.
Features
- Stops leaks quickly
- Safe for use in the cooling system
- Compatible with all coolant types
- Recommended dosage: one bottle per 10 litres of water/coolant
- Non-damaging to seals, hoses, and metals
Specifications
| Dimensions (W x H x D) | 90mm x 230mm x 40mm |
| Weight | 0.28kg |
| Volume/Size | 300ml |
Nulon 300ml Radiator Stop Leak provides a reliable temporary solution for radiator leaks.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Nulon 300ml Radiator Stop Leak is designed to seal leaks in radiators and heater cores, providing a temporary solution for cooling system issues.
The Nulon 300ml Radiator Stop Leak is a formulated solution that effectively seals leaks in various components of the cooling system, including radiator and heater cores, weeping cylinder head gaskets, and corroded welsh plugs. This product is safe to leave in the cooling system and is compatible with all types of coolant. For optimal results, it is recommended to add one bottle for every 10 litres of water or coolant. The formulation is designed to be safe for seals and hoses, ensuring no adverse effects on metals. It is important to note that this product should only be used as a temporary repair.
Features
- Stops leaks quickly
- Safe for use in the cooling system
- Compatible with all coolant types
- Recommended dosage: one bottle per 10 litres of water/coolant
- Non-damaging to seals, hoses, and metals
Specifications
| Dimensions (W x H x D) | 90mm x 230mm x 40mm |
| Weight | 0.28kg |
| Volume/Size | 300ml |
Nulon 300ml Radiator Stop Leak provides a reliable temporary solution for radiator leaks.













