Fitment

48mm cylinder piston kit for 2‑stroke gas chainsaw:

• Husqvarna: 365, 371, Jonsered CS2165 (OEM standard 48mm bore, direct replacement)
• Husqvarna: 372 (downgrade modification, not factory‑original specification)

NOTE: Installing on 372 will reduce engine power output.

Replacement Part Number

OEM Reference:
503939003, 503939007 (interchangeable OEM part numbers)

Specifications

• Bore Size: 48 mm
• Kit Contents:Cylinder,piston,piston rings,wrist pin,circlips,gaskets
• Features:Rebuild kit, power reduction occurs when fitted to 372.

Package Included

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