Radiator Antifreeze KFS 12++

Articlenumber: P004511
For engines made of cast iron, aluminum or a combination of the two as well as cooling systems with aluminum and/or copper alloys. Especially for all-alloy engines in which a special aluminum protection is required at higher temperatures. For passenger cars, commercial vehicles, buses, agricultural machines as well as stationary engines and devices that require a radiator antifreeze of this quality.

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Combination of active agents which is formulated using an ingenious selection of inhibitors based on hybrid technology. Offers outstanding protection against frost, corrosion and overheating across its entire engine service life. Amine-, borate-, nitrite- and phosphate-free radiator antifreeze based on ethylene glycol.
product variants
Product Name SKU Bundle Languages
Radiator Antifreeze KFS 12++ 21135 5 l Canister plastic D-GB-I-E-P
Radiator Antifreeze KFS 12++ 21136 20 l Canister plastic D-GB-I-E-P
Radiator Antifreeze KFS 12++ 21137 60 l Drum sheet metal D-GB
Radiator Antifreeze KFS 12++ 21304 200 l Drum sheet metal D-GB

Approvals & Recommendations

LIQUI MOLY recommends this product for vehicles that needs to comply the following specifications:

  • Audi TL-774 G = G12++
  • MAN 324 Typ Si-OAT
  • MB 325.5
  • Seat TL-774 G = G12++
  • Skoda TL-774 G = G12++
  • Volkswagen TL-774 G = G12++

Additional Information


Clean the cooling system with LIQUI MOLY Radiator Cleaner (Part no. 3320). Empty the cooling system and rinse with plenty of water. Fill with radiator antifreeze KFS 12++ and water according to the mixing table. We recommend distilled water for this. Depending on water hardness and quality (hardness not greater than 3.566 mmol/l), dilution with tap water is also possible. Disposal according to the local regulations. Change interval according to manufacturer's instructions. Store undiluted only. Miscible with coolants based on ethylene glycol.


Frost protection     Water     Protection up to

1 part                       2 parts    -20 °C

1 part                       1 part      -40 °C

2 parts                     1 part      -68 °C

Gearoil Recommodations Audi TL-774 G = G12++, MAN 324 Typ Si-OAT, MB 325.5, Seat TL-774 G = G12++, Skoda TL-774 G = G12++, Volkswagen TL-774 G = G12++
Package Unit 6
Pallet Unit 408
Area of application Cooler

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