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Wurth Radiator Sealant HP seals leaks of up to 0.1 mm in the cooling system, thanks to its fine synthetic particles. It is used to address minor leaks in the cylinder head and pipe connections, as well as coolant loss due to evaporation. It is suitable for modern vehicle models with vertical-flow cooling systems and does not affect the cooling system’s particle filters.
It can also be used as a preventive measure when changing the antifreeze. Add it directly to the cooling system while the engine is warm, or to the expansion tank only when coolant is flowing through it. Then run the engine for at least 10 minutes, until the thermostat opens and the heater starts to warm up. Next, switch off the engine, check the coolant level, and top it up if necessary.
- Type: Radiator leak sealant
- Capacity: 150 ml
- Maximum leak size: 0.1 mm
- Compatibility: Modern vehicle models with vertical-flow cooling systems
- Use: Seals leaks in the cylinder head, pipe connections, and cooling system components
- Preventive use: When changing the antifreeze
- Application: In the cooling system while the engine is warm, or in the expansion tank when coolant is flowing through it
- Engine running time: At least 10 minutes after adding
- Product Number
- 5861500150
- Type
- Radiator Leak Sealant
- Capacity
- 150 ml
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.