Description
Overview:
This 50 mm (1.97 inches) piston is a genuine Stihl replacement for TS 410 and TS 420 disc cutters, supplied to restore engine performance and reliability. Made from durable aluminium alloy for low weight and good heat transfer, it helps maintain correct compression and smooth running in demanding cutting tasks. Machined to OEM tolerances, it is designed to work with the original cylinder and rings specified for these models. As a Genuine Part, it offers assured compatibility and service life in professional and DIY use. Directly replacing OEM No. 4238 030 2008, it is a practical choice for top-end rebuilds, scheduled maintenance, and repairs on Stihl cut-off saws used in construction, landscaping, and utilities work.
Key Features:
- Genuine Stihl part for assured fit and quality (OEM No. 4238 030 2008)
- 50 mm (1.97 inches) diameter for precise fit in the specified cylinder
- Aluminium alloy construction for strength, durability, and thermal stability
- Direct replacement design to reduce downtime and simplify fitting
- Helps restore compression, power output, and starting performance
- Supports cleaner running and fuel efficiency when paired with correct rings
- Suitable for routine maintenance and full top-end overhauls
- Made for the demands of construction and site use
Typical Applications:
Used during engine rebuilds or repairs of Stihl cut-off saws to address low compression, scoring, or general wear. Common in workshop servicing, fleet maintenance, and on-site repairs to keep TS 410 and TS 420 units cutting masonry, concrete, and steel reliably in construction, utilities, roadwork, and landscaping.
Also known as:
50 mm piston, engine piston, cylinder piston, two-stroke piston, cut-off saw piston, disc cutter piston, TS410 piston, TS420 piston, top-end piston for Stihl saws.
Fits Models:
TS 410, TS 410-A, TS 410-AZ, TS 410-Z, TS 420, TS 420-A, TS 420-AZ, TS 420-Z, TS 440-A, TS 440-AZ, TS410, TS410A, TS410Z, TS420, TS420A, TS420Z, TS440A
Alternate Part Numbers:
4238-030-2008, 4238-030-2003, 42380302003, 42380302008, 4238 030 2008
Product Specifications
| L&S Part No. | 4238 030 2008 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42380302008 |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for TS 410 and TS 420 models - 50 mm diameter for precise cylinder fit - Aluminium alloy for strength and heat transfer - Direct replacement reduces downtime - Restores compression and power output |
| Fits Models | TS410, TS420 |

