Description
Overview:
This Guard for Mowing Head and PolyCut is a genuine Stihl part designed for the FSA90 and FSA90R brushcutters. Made from durable, impact‐resistant moulded plastic in a robust black finish, it protects the cutting head and deflects debris away from the user. The guard provides broad coverage at approximately 380 mm (15 in), helping to reduce wear on the mowing head and PolyCut system while maintaining clear cutting performance. As a direct replacement component, it offers a precise fit to the specified models without modification. Ideal for both professional grounds teams and DIY users, it supports safer operation and helps extend the service life of your equipment. Genuine Stihl Part, MPN 48637108120.
Key Features:
- Genuine Stihl part for reliable fit and performance (MPN 48637108120)
- Tough, impact‐resistant plastic construction in black for long service life
- Approx. 380 mm (15 in) coverage to deflect grass, stones, and debris
- Designed for use with mowing heads and PolyCut cutting systems
- Helps reduce wear on the cutting head and improves user safety
- Precisely shaped for proper clearance with line or PolyCut blades
- Lightweight and corrosion‐proof for easy handling and maintenance
- Smooth surfaces for quick cleaning after use
- Direct replacement that aligns with Stihl's specified models
Typical Applications:
Everyday grass trimming, edging, and clearing light weeds in gardens, parks, estates, and commercial sites. Useful around borders, trees, fences, and hard surfaces where debris deflection is important. Suits routine maintenance tasks for landscapers, caretakers, and homeowners.
Also known as:
Debris deflector, grass guard, cutting head shield, line trimmer guard, safety deflector, head protector, deflector plate, strimmer guard.
Fits Models:
FSA90
FSA90R
Alternate Part Numbers:
4863-710-8120, 48637108120
Product Specifications
| L&S Part No. | 4863 710 8120 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 48637108120 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for FSA90 and FSA90R brushcutters - Impact-resistant plastic construction in black - 380 mm coverage deflects grass, stones, debris - Direct replacement ensures precise fit without modification - Reduces wear on mowing head and PolyCut system |
| Fits Models | FSA90 | FSA90R |



