For Vauxhall Mokka/Mokka X J13 2013-2018. For Gearbox For F16 F18 F20 F23 F25 F28 M20 M32 F35 F40. For Opel Mokka/Mokka X J13 2013-2 018. This seal prevents leakage at the drive axle, and is located in the differential housing, For keeping gear oil in place.