Description
Overview:
This Cylinder with Piston, 42 mm (1.65 inches), is a genuine Stihl replacement part for high-performance brushcutters and clearing saws. Built from durable, high-quality metal and precision machined for an accurate fit, it restores correct compression and smooth running in demanding two‐stroke engines. It is designed specifically for Stihl professional tools, making it ideal for maintaining reliable output and long service life. Supplied as a matched cylinder and piston assembly, it replaces worn or damaged top‐end components and helps keep fuel efficiency and power consistent. Perfect for models such as the FR350 and FR450, it uses the Manufacturer Part Number (MPN) 4128 020 1211 to guarantee correct compatibility across selected FR, FS, and SP series machines.
Key Features:
- Genuine Stihl OEM part for assured fit and performance (MPN 4128 020 1211)
- 42 mm bore (1.65 inches) restores correct compression and power delivery
- Precision-engineered metal construction for durability and heat stability
- Direct-fit design for the specified models to reduce downtime
- Helps recover throttle response and cutting efficiency in tough conditions
- Suitable for professional and heavy-duty use in landscaping and forestry
- Designed to replace scored or worn cylinders and pistons
- Supports reliable cold and hot starts with proper sealing and compression
- Compatible with brushcutters and clearing saws for consistent daily use
Typical Applications:
Used to refurbish the top end of Stihl brushcutters and clearing saws when power has dropped, starting is difficult, or fuel use has increased. Common in workshop overhauls, routine rebuilds, or after piston seizure or scoring, helping professionals and DIY users maintain reliable cutting of dense grass, scrub, and woodland undergrowth.
Also known as:
Cylinder kit, cylinder and piston assembly, top-end kit, barrel and piston, engine cylinder set, piston and barrel kit, replacement cylinder assembly, top-end rebuild kit, cylinder block with piston.
Fits Models:
FR 350, FR 450, FR 480, FR 480 C, FS 400, FS 450, FS 480, SP 400, SP 450, SP 451, SP 481
Alternate Part Numbers:
4128-020-1211, 41280201211
Product Specifications
| L&S Part No. | 4128 020 1211 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41280201211 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters, Clearing Saws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part (MPN 4128 020 1211) - 42 mm bore restores compression and power - Precision-engineered metal for durability and stability - Direct-fit for FR, FS, and SP series models - Replaces worn cylinders and pistons for efficiency |
| Fits Models | FS400, FS450, FS480 | FR350, FR450, FR480, FR480C |

