Oil seal 8x16x10/11mm -PIAGGIO- (used for water pump) Vespa GTS 125 (ZAPMA3100, ZAPMA3200, ZAPMA3700, ZAPMD3200, ZAPMD3201), Vespa GTS 150 (ZAPMA3200, ZAPMA3100), Vespa GTS Super 125 (ZAPMA3100, ZAPMA3200, ZAPMA3700, ZAPMD3200), Gilera Runner 2 (RST) 50 (