Ryan Gary

Ryan Gary

Ryan Gary is an automotive enthusiast with over 15 years of hands-on experience in the mechanical industry. His passion for engines, vehicle maintenance, and lubrication inspired him to create Engine Oil Journal, a trusted resource dedicated to helping drivers, DIY mechanics, and automotive enthusiasts make informed decisions about engine oils, transmission fluids, and vehicle maintenance. Through well-researched, practical content, Ryan aims to simplify complex automotive topics and help readers keep their vehicles running at their best.

Zerex Coolant Chart(For All Products/Ratio/Use)

Zerex Coolant Chart

Each Zerex product uses a unique chemical technology, IAT, OAT, HOAT, or NOAT, to match OEM specifications and provide the right balance of cooling, corrosion protection, and long-life performance. The table below summarizes all major Zerex coolants, including their chemistry…