![]() There appears to be some debate regarding the PINK coolant, but I would not use it unless the vehicle specifically calls for it, because it contains sebacic acid, a plasticizer, and can be known to deteriorate gaskets over time. Zerex may be closest if you're trying to save a buck, BUT does not contain potassium hydroxide. Zerex has 532-32-1 which matches one ingredient in OEM stuff, while Pentosin has which matches none. Pentofrost A1 does not contain any silicate, borate, nitrite or amine containing additives since these may harm. Among the biggest advantages of purchasing Toyota OEM parts is that they. ![]() ![]() Toyota OEM parts are made particularly for the make and model of your vehicle. Pentofrost A1 is suitable for all Asian vehicles using 'red' Antifreeze/Coolant. Benefits of Choosing Toyota Genuine Engine Coolant Reservoir Hose Components. Toyota Genuine parts have been made to meet Toyotas functionality standards. In conclusion, OEM stuff contains both 532-32-58-3, while the other two aftermarket options only contain ONE OR NONE of these each listed on their MSDS. Pentofrost A1 is a phosphated organic acid technology (phosphated OAT) which is categorized as HOAT (hybrid organic acid technology) in the US market. Zerex™ ASIAN VEHICLE LONG-LIFE/HOAT FORMULA 50/50 ANTIFREEZE COOLANT: (plus "nonhazardous" additions not listed on sheet) Weve always found the best to be the original. Dont risk it trying to use some random other type of coolant. Hydrated Inorganic Salt AKA Potassium Hydroxide (). Follow OEM recommendation Follow OEM recommendation Up to 5 years or 150,000 miles interval Heavy Duty For all heavy duty engines For all heavy duty. Toyota Red Genuine OEM Coolant Gallon Jug. Organic Acid Salt AKA Sodium Benzoate (532-32-1) Toyota Red Long Life ingredients from jug: ![]() Toyota LL coolant MSDS (from a poster on BITOG, sorry couldn't find MSDS for 00272-1LLAC-01 anywhere online, only the PINK stuff which does not apply): There are three main types of coolant that car companies use: Inorganic Additive Technology (IAT), Organic Acid Technology (OAT), and Hybrid Organic Acid Technology (HOAT). I'm assuming the Toyota coolant everyone talks about is the RED "long life" formula. ![]()
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