Description
Overview:
The Trigger Interlock for Stihl HS46 is a genuine Stihl safety component that prevents accidental activation of the throttle and blades. Supplied under Manufacturer Part Number 4242 182 0800, it sits within the handle assembly and ensures the trigger only operates when the interlock is deliberately pressed. The part is a precision-moulded, high‐impact polymer piece, designed for durability and consistent engagement. It is suitable for Stihl hedge trimmers such as the HS46 and HS56, offering a like‐for‐like replacement to restore safe operation. As an OEM component, it fits correctly without modification and supports the trimmer's original safety design. Ideal for routine maintenance or repair when the existing interlock is worn, cracked, or missing, helping to maintain safe and controlled trimming.
Key Features:
- Genuine Stihl part (OEM) for correct fit and reliable function
- Designed to prevent unintended trigger engagement for safer use
- Durable, impact‐resistant polymer for long service life
- Consistent, positive engagement with the throttle trigger and safety lever
- Direct replacement for 4242 182 0800 with no alterations required
- Supports original safety standards on HS46/HS56 series trimmers
- Lightweight construction helps keep handle ergonomics balanced
- Quick to install with standard hand tools during routine maintenance
Typical Applications:
Used to replace a damaged, worn, or lost interlock on Stihl hedge trimmers to restore the safety lockout of the throttle. Suitable for professional grounds care, landscaping, estate and facilities maintenance, and domestic garden work where controlled, safe operation of the machine is required. Helps ensure compliance with safe starting and running practices during trimming.
Also known as:
Throttle lockout, trigger safety, safety trigger latch, operator‐presence interlock, control lever interlock, handle interlock, deadman latch, safety catch for throttle.
Fits Models:
HS 46, HS46, HS46 C, HS46C, HS56, HS56C
Product Specifications
| L&S Part No. | 4242 182 0800 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42421820800 |
| Unit of Sale | 1 |
| Applications | HS 46, HS46, HS46 C, HS46C, HS56, HS56C |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Fits Models | HS 46, HS46 C | HS56 |
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