Fitment

54mm cylinder piston kit with air filter for 2‑stroke gas chainsaw:

• Husqvarna: 288, 288XP (OEM standard 54mm bore, direct replacement)
• Husqvarna: 181, 281, 281XP (big‑bore upgrade modification, original factory bore size 52mm)

NOTE: Installing this 54mm big‑bore kit on 181,281,281XP requires carburetor adjustment.

Replacement Part Number

OEM Reference:
503503903

Specifications

• Bore Size: 54 mm
• Kit Contents:Cylinder,piston,piston rings,wrist pin,circlips,gaskets,air filter
• Features:Rebuild kit, carburetor adjustment required for 181/281/281XP after fitting.

Package Included

You will get exactly the components shown on the first listing photo.