9640 003 1600 OIL SEAL WZXT72S61G8E1B Function: Locks and secures handlebar

Function: Locks and secures handlebar position during operation

Sensors measure air pressure and internal and external temperature

90555-VB3-801 Seal

⚠️ Always verify engine model

preventing overheating

9640 003 1600 OIL SEAL WZXT72S61G8E1B Function: Locks and secures handlebar9640 003 1600 STIHL Oil Seal (Genuine OEM Part) The STIHL 9640 003 1600 Oil Seal is a genuine OEM sealing component designed to maintain proper engine lubrication and protect internal rotating assemblies in STIHL outdoor power equipment. This precision engineered oil seal helps prevent oil leakage while keeping dirt, debris, dust, and moisture from entering critical engine components. Manufactured to STIHLs exact factory specifications, the 9640 003