👉 Chevrolet Fluid, commonly known as 3.5S, is a multi-purpose automotive fluid designed primarily for internal combustion engines. It serves as a base fluid, providing essential lubrication and cooling properties to various engine components, including the crankcase, oil pan, and radiator. This versatile fluid also aids in engine start-up and helps maintain optimal engine performance by reducing friction and wear. Additionally, it can be used as a sealant for gaskets and hoses, contributing to the overall durability and reliability of the vehicle's engine system.