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Radiator sealant HP

Cooler seal HP

Art.-no. 5861500150

Prices for customers after login

Radiator sealant HP

Art.-no. 5861500150

Prices for customers after login



Exclusively for trade customers

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High-performance cooling system protection for all modern vehicle types with crossflow cooling systems

Seals leaks up to max. 0.1 mm

Dirt strainers in the cooling circuit are not impaired

Preventive use any time the anti-freeze is changed

Sealing effect due to microfine, synthetic particles

The content of one can is sufficient for 10 litres of coolant

The usage instructions are recommendations based on the tests we have conducted and our experience; carry out your own tests before each application. Due to the large number of applications as well as storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by the provision of this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee the consistent quality of our products. We reserve the right to make technical changes and further develop products.

Chemical Products are restricted and it is not allowed to deliver this item outside Malaysia

Product information

Würth Catalogue(X)

Catalogue page as PDF 1


Safety data sheet

Application area

Use for micro-leaks in the cylinder head gasket and hose connections as well as evaporation losses in the cooling system units.


Add directly to the cooling circuit when the engine is warm. Only add to the expansion tank if coolant flows through the expansion tank. Then let the engine run for at least 10 minutes until the thermostat opens and the heating noticeably emits heat. Then switch off the engine, check the coolant level and top up if necessary


150 ml





Chemical basis



1.01 g/cm³

Density conditions

at 20°C

pH value


Shelf life from production

12 Month

Art.-no. ! common.detail.customermaterialnumber !

Hazardous Material

Product information

Würth Catalogue

Catalogue page as PDF  | 

Flip catalog


Datasheets ()

CAD Data  | 




Technical information