Piston Ring

This high-quality replacement piston ring (SKU ST0042) is designed to restore compression and performance in compatible chainsaw engines. With a diameter of 42.5mm and OEM reference 1123 034 3006, it offers a precise fit for reliable operation. Manufactured from durable materials, this piston ring ensures a long service life and helps reduce fuel consumption and emissions.

• Precision-engineered to OEM specifications for exact fit and reliable sealing.
• Durable construction withstands high temperatures and pressures for extended engine life.
• Easy to install as a direct replacement part, minimising downtime.

• STIHL 025
• STIHL MS 250
• STIHL 021

Engine Parts – High-quality replacement components for outdoor power equipment engines.