Description
Overview:
This genuine Stihl Cylinder with Piston is a direct OEM replacement for selected hedge trimmers, brushcutters and kombi engines, including the HL100 and HL100K. The assembly features a 40 mm (1.57 in) bore for accurate fit and correct compression, helping the engine start reliably and run smoothly under load. Built to Stihl's engineering standards, the durable alloy cylinder and matching piston restore performance when the original top end is worn or damaged. Correct clearances and port timing support efficient combustion, stable idle and strong torque, making it suitable for regular maintenance or a full top-end refresh. OEM part number 4180 020 1205 ensures proper compatibility and fitment across a range of applicable Stihl 4-MIX and two-stroke tools.
Key Features:
- Genuine Stihl OEM component for assured fit and compatibility
- 40 mm (1.57 in) bore to restore correct compression and power
- Durable construction for long service life in demanding tasks
- Precise machining supports clean running and fuel efficiency
- Helps resolve hard starting, low power and poor idle due to cylinder wear
- Direct replacement; designed to work with existing engine hardware
- Engineered to Stihl tolerances for reliable sealing and heat transfer
- Suitable for routine overhaul to reduce downtime and extend tool lifespan
Typical Applications:
Used to replace a worn or damaged top end on professional and domestic Stihl machines used for hedge trimming, brush cutting, lawn edging, pruning and grounds maintenance. Ideal for restoring performance on equipment that sees frequent use, tough vegetation, or extended operating periods.
Also known as:
Cylinder barrel and piston, top-end kit, engine pot, 40 mm bore set, top-end rebuild set, jug and piston, barrel assembly, top cylinder set.
Fits Models:
FC 100, FC100, FC110, FS100, FS100R, FS100RX, FS110, FS110R, FS110RX, FS110X, FT100, HL100, HL100K, HT100, HT101, HT73, KM100, KM100R, KM110R
Alternate Part Numbers:
4180-020-1205, 41800201205
Product Specifications
| L&S Part No. | 4180 020 1205 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41800201205 |
| Unit of Sale | 1 |
| Machine Type | Long Reach Hedgetrimmers, Brushcutters, Pole Pruners, Edging Trowel |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM component for assured fit and compatibility - 40 mm bore restores correct compression and power - Suitable for Stihl 4-MIX and two-stroke tools - Durable alloy construction for long service life - Precise machining supports clean running and fuel efficiency |
| Fits Models | FS100, FS110 | HT73 | HT101 | KM100, KM100R, KM110R | FC 100 | HL100, HL100K |

