Piston

This high‑quality replacement piston (SKU: ST0104) is designed to restore compression and power in compatible STIHL trimmers and brushcutters. With a piston diameter of 37mm, it is precision‑machined for a reliable fit and long‑lasting performance. Ideal for servicing your outdoor power equipment, this piston helps extend the life of your machine and keep it running smoothly.

• Precision‑machined from durable materials for consistent performance and longevity.
• Direct replacement design simplifies installation and reduces downtime.
• Restores engine compression for improved starting and cutting power.

• STIHL FS36
• STIHL FS38
• STIHL FS40

Replacement Engine Parts – high‑quality components for servicing STIHL handheld equipment.