General Pump/Interpump repair kit no. 28 fitting General Pump / Interpump series 47-48 pumps with 20 mm bore. It comes with all the seals necessary to rebuild your pump.
For General Pump: T1011, T1311, T1511, T2011, T2031, T9121, T9131, T9161 , T9211, TS821, TS1011, TS1021, TS1311, TS1331, TS1351, TS1511, TS1521, TS1711, TS2011, TS2021
For Interpump: W101, W131, W151, W201, W203, W912, W913, W916, W921, WS82, WS101, WS102, WS131, WS133, WS135, WS151, WS152, WS171, WS201, WS202