View cart “Bearing crank arm/guide wheel” has been added to your cart. Piston 2″ low friction$71.50 for 2″ pump using low friction seal with 4.5mm grove Part# 10036520 Piston 2" low friction quantity Add to cart SKU: 10002750 Category: Sun Mill/Solar Mill Parts Additional information Additional information Weight .100 kg Related products Crank arm 2 & 3″ Tall Pump Drive $137.50 for connecting Stroke bar to nylon pump rod part# 10035685 Ball for 2″ piston $6.93 for 2″ Piston pump Part# 10002040 Seal 3″ piston nitrile $31.68 for 3″ Piston Nitrile Part# 10002800 Bolt 70mm for Guide Wheel Assembly $7.70 for Guide Wheel Assembly 3″/75mm pump, with machined head Part# 10042000