SP‑OAT Coolant C2164 is a monoethylene glycol–based antifreeze concentrate formulated with phosphate‑silicate organic additive technology (PSi‑OAT). It is designed for modern engine systems, particularly high‑power, downsized engines operating at increased temperatures. The advanced inhibitor package provides effective corrosion protection for all cooling system metals, with enhanced protection for aluminium components.
SP‑OAT Coolant C2164 is free from borates, amines and nitrites and offers extended service life of up to five years or 250,000 km for passenger vehicles, and up to 1,000,000 km for commercial vehicles, in line with OEM recommendations.