


NIGRIN CORE
Coolant Long-Term Concentrate 1:3 3 L
Item no. 73944
Effective down to –38 °C
Protects year-round against frost, corrosion & overheating
High yield – makes up to 12 liters of ready-to-use mix

The product in detail
The NIGRIN Coolant Long-Term Concentrate 1:1 provides reliable year-round protection for modern and conventional cooling systems in gasoline and diesel engines. The high-quality formula with carefully matched additives protects against frost (down to –38 °C), overheating, corrosion, and deposits throughout the entire cooling circuit.
The pre-mixed 1:1 concentration simplifies application and guarantees effective protection without any additional mixing. Suitable for sealed and open systems – ideal for passenger cars, vans, or motorhomes.
Product benefits:
- Mixing ratio 1:1 – protects down to –38 °C
- Prevents corrosion, lime, and sludge deposits
- Extends the service life of the cooling system and engine
- 3 l concentrate for reliable long-term use
NIGRIN coolant / radiator protection is a coolant (color: blue) manufactured from high-quality base materials and carefully matched additives. It is suitable for long-term filling of sealed and conventional cooling systems in gasoline and diesel engines, but not for high-PERFORMANCE aluminum engines. NIGRIN coolant / radiator protection provides year-round protection against frost, corrosion, and overheating, extends the service life of the cooling system, and improves cooling PERFORMANCE, especially in summer.
Application
Created with AIApplication steps
01
Drain the cooling system
Drain the cooling system and flush it thoroughly.
02
Fill with coolant
Fill the system with NIGRIN Coolant Long-Term Concentrate and distilled water according to the mixing table.
03
Bleed the cooling system
Bleed the cooling system completely.
Note
Dispose of old coolant properly.
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