PISTON KIT FOR STIHL FS450 REPL OEM 4128 030 2005

Piston Kit for Stihl

This piston kit is a replacement piston assembly for Stihl FS450 trimmers, matching OEM part number 4128 030 2005, designed to restore engine compression and performance.

Overview

This piston kit for Stihl FS450 provides a direct replacement for the original piston assembly, ensuring a proper fit and reliable operation. It includes the piston and rings needed to rebuild the top end of the engine, helping to restore power and efficiency. The kit is intended for use on Stihl FS450 models where the original piston has worn or failed.

Built For Performance

• Precision-machined aluminum piston for reduced weight and high strength
• High-quality piston rings for optimal compression and oil control
• Designed to match OEM dimensions and tolerances for Stihl FS450
• Includes wrist pin and circlips for complete installation
• Heat-treated for durability in high-temperature engine environments

Fits These Machines

• for Stihl FS450

On-The-Job Use

• Replacing a worn or damaged piston in a Stihl FS450 trimmer
• Restoring compression and engine performance after a top-end rebuild
• Used by professional landscapers and DIYers for maintenance and repair

Specs At A Glance

Good To Know

Q: Does this piston kit include the piston rings? A: Yes, the kit includes the piston, rings, wrist pin, and circlips for a complete replacement.

Q: What is the recommended installation procedure? A: Ensure the cylinder bore is clean and within spec, lubricate the piston and rings with two-stroke oil, and follow the Stihl service manual for torque specifications.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.