Piston Ring

This high-quality replacement piston ring (SKU: ST0238) is designed for STIHL KS91 chainsaws and similar models. With a precise piston ring diameter of 34mm, it ensures a reliable seal and optimal compression for efficient engine performance. Manufactured to exacting standards, this durable component restores power and extends the life of your outdoor power equipment.

• Precision-engineered 34mm diameter for a perfect fit and consistent compression.
• Durable construction withstands high temperatures and friction for long-lasting service.
• Direct replacement part simplifies installation and minimises downtime.

• STIHL KS91 Chainsaw
• STIHL MS 170 Chainsaw
• STIHL MS 180 Chainsaw

Engine Components – Piston rings and related small engine parts for chainsaws and outdoor power equipment.