B4.5cm 1.8" Diameter Rubber Engine Oil Filler Cover Cap Black ReviewbP PP 4.5cm 1.8" Diameter Rubber Engine Oil Filler Cover Cap Black PProduct Name : Engine Oil Cover;Material : RubberPBottom Diameter (Approx.) : 4.5cm 1.8";Top Diameter (Approx.) : 7cm 2.7"POverall Height(Approx.) : 3.7cm 1.