Cooling system treatments

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Radiator Sealer & Conditioner

Permanently and reliably seals and prevents hair cracks and leakages in the radiator, the water pump, the cylinder head and the engine block.

Radiator Cleaner (Flush)

Effectively cleans and flushes sludge, rust, scale and other deposits from the cooling system. Improves the heat transfer and enables the new cooling fluid to perform optimally.

Cylinder Block Seal

Quickly prevents and repairs hair cracks in the cylinder block that lead to water or coolant loss in the oil system or combustion chamber. Eliminates the need for expensive repair.

About us

Technical Lubricants International B.V. Technical Lubricants International B.V. (TecLub) is a leading ISO 9001:2015 certified private label producer of lubricating oils, greases, brake fluids, coolants, fuel, radiator and motor oil additives and a full range of automotive specialty products.


Molenwerf 56
1911 DB Uitgeest
The Netherlands

Tel.: +31 (0)251 228 957
Fax: +31 (0)251 213 061