Ball for 3″ piston$6.80 for 3″ Piston pump Part# 10002045 Ball for 3" piston quantity Add to cart SKU: 10002045 Category: Sun Mill/Solar Mill Parts Additional information Additional information Weight 0.24 kg Related products Brushes 24v 60w motor $82.50 for Hobby Mill with 24v 60w motor (Brown in colour) Pack of two Part# 30090102 Seal 2″ piston nitrile $23.76 for 2″ Piston with 9.5mm grove Nitrile Part# 10002700 Clamp 2″ $23.10 lower clamp for 2″ Pump body transfer Part# 63000040 Bearing crank arm/guide wheel $10.56 For Crank arm and Guide wheel Part# 10015600