OS Engines Inner Head O-Ring (S30-FKM) SCH-OS2CS04180

The OS Engines Inner Head O-Ring (S30-FKM) is a genuine replacement sealing ring for O.S. engines that specify an inner head O-ring. It helps maintain a dependable seal and consistent compression during routine maintenance or a rebuild. This part is identified by the reference SCH-OS2CS04180.

Please refer to your engine’s parts list or manual to verify the correct O-ring before ordering, and ensure sealing surfaces are clean and undamaged during installation.

Key Points

• Genuine O.S. Engines spare part
• Inner head O-ring with S30-FKM designation
• Part number: SCH-OS2CS04180
• Supports reliable sealing when servicing compatible engines