Authentic Stihl OEM replacement drive shaft, part number 41377103203 (also 4137 710 3203). Engineered for KombiSystem attachments like the FCB-KM edger and FCS-KM/FSB-KM trimmers. Made of durable steel to ensure efficient power transfer, smooth rotation, and long-term reliability.
 
✅ 100% Genuine OEM Quality – Manufactured by Stihl for precise fit and reliable performance.
✅ Wide Compatibility – Fits FCB-KM, FCS-KM, and FSB-KM KombiSystem attachments.
✅ Durable Steel Construction – Strong and resilient material ensures long service life under heavy use.
✅ Precision Engineering – Maintains smooth operation with minimal vibration.
✅ Easy Replacement – Direct-fit OEM part for fast, hassle-free installation.