Description
Overview:
This genuine Stihl Electronic Module is the control unit used in the HSA66 and HSA86 battery hedgetrimmers. It manages the tool's electronic functions so the motor runs smoothly and safely under load. Built as a direct replacement for OEM No. 4851 430 1405, it restores correct operation when the original module has failed or become unreliable. The unit features a tough black plastic housing with sealed electronics to help resist dust and moisture commonly encountered in garden and landscaping work. Designed for precise compatibility with Stihl battery machines, it supports reliable trigger response and consistent cutting performance. Choose this OEM module to maintain the intended performance and safety of your Stihl HSA66 or HSA86 without modification.
Key Features:
- Genuine Stihl part for assured fit and function
- Direct replacement for OEM No. 4851 430 1405
- Purpose-built for HSA66 and HSA86 battery hedgetrimmers
- Durable housing with sealed electronics for dependable service life
- Stable motor control for smooth, efficient cutting performance
- Helps resolve electronic faults and restore reliable operation
- Easy to install using existing connectors, reducing downtime
- Suitable for both professional landscapers and domestic users
Typical Applications:
Used to repair or maintain the electronic control system in Stihl HSA66 and HSA86 hedgetrimmers. Common in routine servicing, refurbishment of well-used machines, and fault rectification when symptoms include intermittent running, no-start, or inconsistent speed control. Ideal for landscaping contractors, grounds teams, facilities maintenance, and keen home users who need dependable hedge trimming performance.
Also known as:
Controller board, control PCB, electronics board, motor controller unit, power management module, hedge trimmer ECU, trimmer controller, electronic control assembly, control electronics module.
Fits Models:
HSA66, HSA86
Alternate Part Numbers:
4851-430-1405, 4851-430-1401, 48514301401, 48514301405, 4851 430 1405
