Description
Overview:
This Cylinder & Piston is a genuine Stihl replacement part for maintaining the top end of compatible Stihl hedgetrimmers. Supplied as a matched cylinder and piston assembly, it is designed to restore correct compression and dependable performance in two‐stroke engines. Built to original specification for fit and function, it helps resolve issues such as hard starting, loss of power, and poor throttle response. The unit is intended for Stihl HS 82 and HS 87 machines used in regular garden, estate, and commercial grounds care. As an OEM component (MPN 4237 020 1202), it integrates directly with the existing engine without modification, supporting smooth running, reliable idling, and consistent cutting output over extended use. Genuine Stihl Part.
Key Features:
- Genuine Stihl OEM cylinder and piston (MPN 4237 020 1202) for assured compatibility and reliability
- Direct-fit replacement for the original top end on HS 82 and HS 87 hedgetrimmers
- Precision-machined components help restore compression, power, and throttle response
- Durable construction for long service life under frequent trimming workloads
- Manufactured to correct dimensions and port timing for smooth, efficient engine operation
- Works with the existing crankcase and standard fasteners-no modifications required
- Helps improve starting performance, stable idle, and clean cutting under load
- Suitable for scheduled maintenance, refurbishments, and engine overhauls
Typical Applications:
Used during engine rebuilds or preventative maintenance when the trimmer shows reduced compression, power loss, hard starting, or visible cylinder wear. Ideal after top-end scoring or damage caused by inadequate lubrication, overheating, or dust ingress. Suitable for professional landscapers, grounds teams, hire fleets, and domestic users wanting to return a Stihl hedgetrimmer to dependable daily service.
Also known as:
Cylinder kit, top-end kit, barrel and piston, pot and piston, cylinder barrel assembly, engine top-end rebuild kit, hedgetrimmer top-end set, piston and cylinder pack for Stihl two-stroke engines.
Fits Models:
HS 82
HS 87
