Spare parts for HK500 Pump Valve (Instruction Manual No.10): No.48 / Valve Screw, No.83 / Valve Gasket, No.17 / Valve Insert, No.18 / Valve Springs, No.19 / Valve Jacket*No.10 Pump Valves contain No. 48, No.83, No.17, No.18, No.19 parts, and each sold separately. We will give you