Description
Overview:
This Blade Support Cup is a genuine Husqvarna part designed to locate and support metal brushcutter blades securely on the gearbox spindle. Made from durable metal with a grey finish, it helps centre the blade and spread clamping force for safe, consistent cutting. It is intended for Husqvarna brushcutters such as the 132RJ and 142RJ, and is suitable for demanding landscaping and maintenance work. The sizing accommodates 20 mm and 1 in (25.4 mm) interfaces as specified by Husqvarna, allowing correct seating of compatible blades. Using the correct support cup reduces vibration, protects the gearbox, and maintains cutting performance. Genuine Husqvarna MPN: 503901802 (also referenced as 503 90 18-02).
Key Features:
- Genuine Husqvarna part for dependable fit and function
- Durable metal construction with grey finish for long service life
- Helps centre the blade and distribute clamping load to reduce vibration
- Compatible with Husqvarna brushcutters including 132RJ, 142RJ, 152RJ
- Suits 20 mm and 1 in (25.4 mm) blade interfaces where specified
- Straightforward to install during routine blade changes and servicing
- Supports safe operation and consistent cutting performance
- OEM reference: 503901802 / 503 90 18-02
Typical Applications:
Used when fitting or replacing metal brushcutter blades for clearing grass, weeds, brambles, and light scrub. Ideal for landscaping, grounds maintenance, estate work, and professional brush cutting where reliable blade location and stability are essential.
Also known as:
Blade holder, blade cup, support cup.
Fits Models:
132RJ, 142RJ, 152RJ
Alternate Part Numbers:
503 90 18-02, 503901802