Koyoto AL 4 4HP20 is a high-performance automatic transmission oil, formulated with high quality fully synthetic base stocks and sophisticated additive system including high shear stable viscosity index improvers, antioxidants, providing smooth & controlled friction/wear characteristics, optimum low temperature fluidity, that meets or exceeds the stringent requirement specifications and provides protection in AL4 transmissions. Suitable for all automatic, semi-automatic transmissions or torque convertors in passenger cars and commercial vehicles, also used in applications like electronically controlled convertor clutches, 4HP20 and ZF 5HP19 gear boxes and transmissions where LT 71141 is recommended