The seasons may change, but your oil doesn’t have to.

ASO W15W-50 has an advanced additive package that provides excellent protection to engines operating at extreme ambient temperature, elimating the need to change between winter/summer grades depending on the season.

ASO W15W-50 has excellent low temperature characteristics, reaching critical components faster at low temperatures and is 25 seconds faster than its competitors.

ASO W15W-50 reduces oil consumption, in some cases by up to 50%, and resists thickening at low temperatures.