Genuine Volkswagen g12+ antifreeze/coolant additive G12 PLUS + offers engine protection against frost , corrosion and scale formation with formulas and materials compatible on all parts of the cooling system. It also provides antifreeze protection down to -40 °C and high temperature boil overs. G12 PLUS + IS fully compatible with all other VW Coolants (G11, G12, G12+). Please note that this product cannot be substituted for G13 Quantity = 1 litre