Piston Assembly

This high-quality piston assembly (SKU ST0647) is a direct replacement for your STIHL FS-120 trimmer, featuring a 46mm bore size for a precise fit. Engineered to OEM specification STIHL 1119 007 1050, it ensures reliable compression and consistent power delivery for demanding cutting tasks. The durable construction provides long-lasting performance, making it an ideal choice for restoring your equipment to peak operating condition.

• Precision-machined to match OEM tolerances for easy installation and reliable sealing.
• Constructed from high-strength materials to withstand high temperatures and heavy use.
• Includes piston rings and wrist pin for a complete drop-in replacement.

• STIHL FS-120
• STIHL FS-120 R
• STIHL FS-120 K

Engine Parts – Replacement piston assemblies for outdoor power equipment, designed to restore compression and performance.