(S671 090 170) ZF LifeguardFluid 6 (ZF No. S671 090 255) ZF LifeguardFluid 8 (ZF No. S671 090 312) ZF LifeguardFluid 9 (ZF No. AA01.500.001) ZF TE-ML 05L ZF TE-ML 11A ZF TE-ML 11B ZF TE-ML 21L. - It has an exceptional thermal-oxidative and chemical stability and resistance to the high-temperature thermal degradation throughout the entire service life.