The Honda 17850-VF9-A11 Throttle Lever Assembly is a genuine OEM component designed for UMK422 and UMK431 trimmers. As a direct Honda OEM part, it is built to the same specification as the original, ensuring proper throttle response and operator control right out of the box. Honda supersedes parts at serial breaks, so confirm your trimmer's serial number against the fitment table before ordering to ensure part number 17850-VF9-A11 is the correct application for your unit.
Key Features
- Genuine OEM Throttle Control — sourced directly from Honda, this assembly delivers the correct lever travel and spring tension needed for smooth, accurate engine speed control on your trimmer.
- Direct Replacement — engineered to swap in exactly like the original, with no rework needed to the throttle cable or handle assembly.
- Confirmed Fitment — built for UMK422 and UMK431 trimmers; check your serial number against the fitment table to confirm the right application.
- Restore Throttle Precision — a worn or damaged throttle lever causes erratic engine response and makes controlled cutting difficult; replacing it restores consistent speed management at the operator's hand.
The throttle lever assembly is the operator's primary control for engine speed on a hand-held trimmer. It translates finger pressure into cable movement, which opens or closes the carburetor throttle valve to raise or lower engine output as the job demands. When the lever becomes worn, stiff, or broken, the operator loses precise control over cutting speed, making clean, efficient trimming difficult and potentially leading to engine over-revving or poor cut quality.
Part Details
| Part Number | 17850-VF9-A11 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Throttle Lever Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Trimmer | UMK422, UMK431 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.