Description
Overview:
This Choke Lever Spring is a genuine Stihl OEM part for cut-off saws, designed to control the return and holding tension of the choke lever. Made from robust spring steel in a flat profile, it restores positive movement and reliable positioning of the choke during starting and warm-up. It replaces worn or broken springs to keep the choke operating as intended, helping the machine start consistently and idle correctly. Built for a precise fit and long service life, it integrates directly into the original assembly on Stihl TS 410 and TS 420 models. Part number: 4238 121 2400. This is a Genuine Part from Stihl, suitable for professional and DIY maintenance.
Key Features:
- Genuine Stihl OEM part for assured compatibility and performance
- Durable spring steel construction for repeated cycling under vibration
- Flat spring design matches the original for a precise fit and correct tension
- Direct replacement for 4238 121 2400; fits without modification
- Helps restore smooth choke action for reliable starting and stable idle
- Maintains correct choke lever return and detent feel
- Suitable for workshop servicing, site repairs, and hire fleet maintenance
- Supplied individually for straightforward replacement
Typical Applications:
Used to replace a fatigued, bent, or missing choke lever spring during routine servicing or carburettor/choke linkage repairs on Stihl cut-off saws. Ideal for saws used in construction, roadworks, utilities, and landscaping where frequent cold starts and dusty conditions can accelerate wear.
Also known as:
Choke lever return spring, choke return spring, carburettor choke linkage spring, carb choke return spring, choke actuator spring, air shutter spring.
Fits Models:
TS 410, TS 420, TS 440
Alternate Part Numbers:
4238-121-2400, 42381212400
Product Specifications
| L&S Part No. | 4238 121 2400 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42381212400 |
| Unit of Sale | 1 |
| Applications | TS 410, TS 420, TS 440, TS410, TS420, TS440 |
| Machine Type | Disc Cutters |
| Fits Brands | Stihl |
| Fits Models | TS410, TS420 | TS440 |
