Fully-synthetic gear lubricant specially formulated for a wide range of manual transmissions, tranaxles & transfer cases. Provides superior anti-wear protection, shear stability & low temperature fluidity. Designed for use in all domestic & foreign vehicles where GL-4 gear oil or ATF is specified byt the vehicle manufacturer. Recommended in applications where GM Part # 12345349, Ford Part# D80Z19C547A & ESRY 19C547, Chrysler Part# 4773167 & Mecedes Benz Part# 900260315 are specified.