This Genuine STIHL Control Unit (4147 400 4723) is the official replacement electronic module used in the STIHL FS 361 / FS 361 C / FS 361 C‑EM clearing saws and brushcutters. The control unit is a critically important electrical component responsible for managing ignition timing and overall engine operation, ensuring optimum performance, smooth running, reliable starting, and fuel efficiency.

Parts listings confirm this module as the correct OEM component specifically designed for the FS361C and FS361C‑EM models.

Key Features

• Genuine STIHL electronic control / ignition unit
• Ensures correct ignition timing & smooth engine operation
• Essential for optimal performance and fuel efficiency
• Designed specifically for the FS 361‑series clearing saws
• High‑quality STIHL OEM component for long service life
• Simple, direct‑fit replacement—no modifications required

Compatibility

This part is verified to fit:

• STIHL FS 361 C
• STIHL FS 361 C‑EM
• STIHL FS 361.0 C‑EM

What Does the Control Unit Do?

• Regulates ignition timing
• Manages engine performance under varying loads
• Ensures smoother acceleration and improved fuel economy
• Helps maintain consistent power output
• Reduces risk of engine misfire or hard‑starting

Why Replace the Control Unit?

Replace if you are experiencing:

• Hard starting
• Poor acceleration or uneven running
• Loss of power or engine misfire
• Electrical faults / no spark
• Error behaviour in FS361C‑EM electronic models

Specifications

• Manufacturer: STIHL
• Part Name: Control Unit / Control Assembly
• Part Number: 41474004723