Description
Overview:
The Stihl Installing Tool Clutch is a purpose-made service tool for fitting clutch assemblies accurately and safely on compatible Stihl machines. Built from durable steel for repeat workshop use, it helps align and seat the clutch during installation, reducing the chance of damage to crankshaft threads or clutch components. This is a Genuine Stihl part for assured fit and performance, supplied under OEM No. 4237 890 2203 (MPN: 42378902203). Commonly used on Stihl cut-off saws in the TS series, such as TS 410 and TS 420, it suits routine maintenance and full rebuilds alike. Its compact, practical form factor makes it easy to handle in the workshop or on-site, supporting consistent, reliable clutch assembly results.
Key Features:
- Genuine Stihl service tool for correct, repeatable clutch installation
- OEM No. 4237 890 2203 / MPN 42378902203 for easy identification
- Robust steel construction for durability and workshop longevity
- Precisely machined to help align and seat the clutch components cleanly
- Reduces risk of cross-threading and damage to crankshaft or clutch hub
- Aids faster, more controlled fitting compared with improvised methods
- Compact design; easy to handle with standard hand tools
- Suitable for routine servicing, rebuilds, and clutch replacements
- Trusted choice for tradespeople, plant hire, and DIY users maintaining Stihl equipment
Typical Applications:
Used when installing a new or serviced clutch on compatible Stihl machines, particularly cut-off saws used in construction and landscaping. Ideal after replacing a clutch drum, bearing, springs, or shoes, and during full engine rebuilds. Suitable for workshop benches, mobile service vans, and on-site maintenance.
Also known as:
Clutch installer, clutch fitting tool, clutch mounting tool, clutch assembly tool, clutch mandrel, installation drift for clutch, clutch seating tool.
Alternate Part Numbers:
4237-890-2203, 42378902203
Product Specifications
| L&S Part No. | 4237 890 2203 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42378902203 |
| Unit of Sale | 1 |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl tool for clutch installation on TS series - OEM No. 4237 890 2203 for identification - Durable steel construction for workshop longevity - Reduces risk of cross-threading during installation - Compact design for easy handling with hand tools |

