
NIGRIN PROFESSIONAL
Coolant / Radiator Protection 5 L
Item no. 100587
For modern cast-iron & aluminum engines
Year-round protection
Maximum frost protection for extreme conditions down to -36 °C
Ready to use undiluted
Excellent compatibility with seals, hoses & plastic parts
Stay up to date: subscribe to our newsletter!

The product in detail
Protects against frost, corrosion & overheating.
Coolant / radiator protection is suitable for all engines and all vehicles and is particularly easy to use.
Miscible with all conventional coolants.
Amine-, nitrite-, phosphate- and silicate-free.
NIGRIN PROFESSIONAL coolant / radiator protection is suitable for all engines and all vehicles and is particularly easy to use, as it is miscible with all conventional coolants. Amine-, nitrite-, phosphate- and silicate-free. OAT technology.
Application steps
01
Drain the cooling system
Drain the cooling system and flush it thoroughly. Dispose of the old coolant properly.
02
Fill with protection
Fill the system with PROFESSIONAL Coolant / Radiator Protection 5000 ml and distilled water according to the mixing table.
03
Bleed the system
Bleed the cooling system completely.
04
Top up
Top up the cooling system with coolant / radiator protection as needed.
05
Check & measure
Check the coolant with a hydrometer and top up if necessary.
Note
Renew coolant at the intervals specified by the vehicle manufacturer. For Austria: Observe the take-back obligation pursuant to ChemG § 47 Para. 2.
Matching products
Products that make your driving experience even better.









