144-6603 – Toro Filter Kit | Genuine Toro OEM Replacement STIHL® AP300 wheel position

wheel position

Transfers power to starter motor

03834300 Switch

ensuring smooth pull-start operation and proper engine cooling

Maintains proper blade balance to reduce vibration

144-6603 – Toro Filter Kit | Genuine Toro OEM Replacement STIHL® AP300 wheel position144 6603 Toro Filter Kit Genuine Toro OEM Replacement Overview The Toro 144 6603 Filter Kit is a genuine Toro OEM hydraulic filter kit designed for use in Toro SprayMaster and Z Master 4000 Series commercial equipment. This kit plays a critical role in maintaining clean hydraulic fluid, protecting left hand (LH) and right hand (RH) transaxle assemblies, and ensuring smooth, reliable machine operation. Built to Toro factory specifications, the 144 6603