Discover the Key to Engine Longevity with Any G40-Spec Coolant

From some searching online looks like Zerex G-40 might be the correct one. There were images of a G-40-91 EF bottle with different part number ... I think I paid close to $30/gallon ~6 yrs ago at the VW dealership. Any alternatives at O'Riely's? G40 Pink/Violet Formula? Like ... Adding any "same as" or "later" versions is okay, in your case, your car will probably have the G12++ or G13 version, and the Comma GG40 ... It is dyed pink to distinguish its unique chemistry from traditional green and yellow coolants. Part Specs. Weight: 9.48. Brand: Valvoline. Category: Coolant. Comma Xstream G40 Concentrate is an ethylene glycol based antifreeze coolant with Si-OAT (Silicated Organic Additive Technology) inhibitors. So I have a 2013 audi S4, and the guy at napa gave me a bottle of "g40 ... The VAG coolant requirement specification is TL 774, with increasing ... ZEREX G40 is a premium grade, long-life coolant that employs nitrite, amine and phosphate-free, Si-organic acid technology (Si-OAT) to protect the cooling system from rust and corrosion. VW's use g12 coolant and when it is mixed with green glycol based coolant it actually begins to corrode the radiator and heater core. It takes ... G13 contains some silicate additives for that additional healing aluminium protection. This is contrary to some earlier specifications that use OAT-technology ( ... This Zerex G40 Phosphate and Nitrite Free Concentrate Antifreeze/Coolant 1 GA is designed to provide anti-corrosive benefits and is pink/violet in color.