40mm Cylinder and Piston Assembly Kit for Stihl FS280 and FS280K – 4119 020 1207

Description

This Stihl FS280 cylinder kit provides the principal components required to replace a worn, scored or damaged cylinder and piston assembly. It uses a 40mm cylinder bore and corresponds to replacement reference 4119 020 1207.

The kit suits the 4119-series FS280 clearing saw engine. However, not every machine within the broader 4119 family uses the same cylinder diameter. Therefore, buyers should check the model plate, bore size and original cylinder before ordering.

Stihl FS280 cylinder kit compatibility

This 40mm cylinder and piston assembly fits:

• Stihl FS280
• Stihl FS280K

Replacement reference:

• 4119 020 1207
• 4119-020-1207
• 41190201207

The Stihl parts catalogue assigns the 40mm cylinder to the FS280 and FS280K. By comparison, the FS220 versions listed in the same catalogue use a 38mm cylinder. Consequently, model-family similarity alone does not confirm compatibility.

Cylinder and piston kit contents

The assembly includes:

• 40mm cylinder
• Piston
• Piston rings
• Piston pin
• Piston pin circlips

Together, these parts replace the principal moving and compression components in the engine’s upper section. A properly matched cylinder and piston help restore compression when the original parts have suffered scoring, overheating or excessive wear.

Before installation, inspect the crankshaft bearings, connecting rod and piston-pin bearing for movement or damage. In addition, check the intake system, carburetor adjustment, air filter, cooling fins and muffler. An air leak, lean fuel setting, restricted cooling system or lubrication problem can quickly damage the replacement components.

Clean the mating surfaces carefully and follow the applicable workshop procedure when installing the cylinder. Furthermore, confirm that the piston orientation, ring locating pins and circlips sit correctly before turning the engine. After assembly, check compression and engine operation before returning the machine to normal use.

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