Free UK delivery on orders above £75
Use CART5 for 5% off orders over £100
Order by 12:00 for same day dispatch
BAR’S Radiator Stop Leak Powder – Cooling System Leak Sealer – 25g
£8.95
Bar’s Radiator Stop Leak Powder 25g is a compact cooling-system leak treatment designed to seal suitable minor internal and external leaks up to approximately 0.9mm. The powder circulates through the cooling system to reach suitable leak points and can be used with plastic, aluminium and metal radiators.
- Seals Minor Leaks – Designed for suitable cooling-system leaks up to approximately 0.9mm
- Wide Radiator Compatibility – Suitable for plastic, aluminium and metal radiators
- Multiple Cooling-System Applications – Suitable for appropriate leaks in radiators, heater cores, cooling jackets, gaskets and freeze/core plugs
- Non-Clogging Formula – Designed to seal suitable minor leaks without clogging the cooling system when used correctly
- Compact 25g Treatment – Convenient for workshop, garage or vehicle storage
Ideal for suitable minor cooling-system leaks where a quick and convenient powder treatment is required.
Description
Bar’s Radiator Stop Leak Powder – Cooling System Leak Sealer – 25g
Bar’s Radiator Stop Leak Powder 25g is a compact cooling-system leak treatment formulated to seal suitable minor internal and external leaks up to approximately 0.9mm. Designed to circulate through the cooling system and reach suitable leak points, it can be used with plastic, aluminium and metal radiators as well as other compatible areas of the vehicle cooling system.
Key Benefits
- Seals Minor Leaks up to 0.9mm – Formulated for suitable minor internal and external cooling-system leaks.
- Plastic, Aluminium & Metal Radiators – Suitable for use with common radiator constructions.
- Multiple Cooling-System Applications – Suitable for appropriate leaks in radiators, heater cores, engine cooling jackets, gaskets and freeze/core plugs.
- Non-Clogging Formula – Designed to seal suitable minor leaks without clogging the cooling system when used correctly.
- Non-Corrosive Formula – Designed for use within compatible vehicle cooling systems.
- Compact 25g Treatment – Convenient size for workshop, garage, toolbox or vehicle storage.
Designed for Minor Cooling-System Leaks
Bar’s Radiator Stop Leak Powder is designed to circulate with the coolant and reach suitable minor leak paths throughout compatible areas of the cooling system.
It can be used for suitable minor internal and external leaks up to approximately 0.9mm, providing a convenient treatment where a small cooling-system leak has developed.
Suitable Cooling-System Applications
- Plastic radiators
- Aluminium radiators
- Metal radiators
- Heater cores
- Engine cooling jackets
- Cooling-system gaskets
- Freeze / core plugs
- Suitable minor internal cooling-system leaks
- Suitable minor external cooling-system leaks
Plastic, Aluminium & Metal Radiators
The powder is suitable for use with plastic, aluminium and metal radiators, making it suitable for a broad range of vehicle cooling systems.
Always check the product instructions and the requirements of the particular vehicle before application.
Technical Details
| Specification | Details |
|---|---|
| Brand | Bar’s |
| Product | Radiator Stop Leak Powder |
| Product Code | RHZ1M20-82 |
| Manufacturer Number | 1830977 |
| EAN / GTIN-13 | 8719274370192 |
| Product Form | Powder |
| Contents | 25g |
| Application | Vehicle Cooling System |
| Suitable Leak Size | Up to Approx. 0.9mm |
| Radiator Compatibility | Plastic, Aluminium & Metal |
| Quantity | 1 |
Important – Intended for Minor Leaks
This product is intended for suitable minor cooling-system leaks up to approximately 0.9mm. It should not be regarded as a substitute for mechanical repair where a radiator, hose, gasket or other cooling-system component is severely cracked, damaged or structurally compromised.
If the vehicle has suffered significant coolant loss, overheating, persistent pressurisation or suspected major engine or cooling-system damage, the underlying fault should be properly diagnosed.
Safety & Application Information
Always allow the cooling system to cool fully before opening the radiator, expansion tank or any pressurised part of the system. Opening a hot, pressurised cooling system can cause serious injury.
Check the vehicle manufacturer’s requirements and follow the instructions supplied with the product before use. Keep out of reach of children and observe the product safety information.
Looking for a Liquid Cooling-System Sealer?
This listing is for the 25g powder version of Bar’s Radiator Stop Leak. For customers who prefer a liquid treatment, we also stock Bar’s liquid cooling-system leak repair.
Complete Your Cooling-System Repair
Browse our range of cooling-system treatments, automotive chemicals and workshop consumables for additional maintenance and repair products. Where a cooling-system component is significantly damaged, always carry out the appropriate mechanical repair rather than relying on a leak-sealing treatment.
See what our customers say — read verified reviews on our Trustpilot page and buy with confidence.
