NOTE: BMW recommends replacing these parts when rebuilding any "old" style K bike pump.The kit includes the following: 1 x Water Seal: KPumpSeal870 1 x Oil Seal: KPumpSeal3291 x Housing Oring: KPump-ORing3921 x Drive Gear Oring: KPump-ORing3281 x Impeller Spacer Bush: KPumpBush902
NOTE: The old style (cast) impeller will not work with this assembly. The kit contains detailed installation instructions!: