The Husqvarna 502539901 Wave Washer is a genuine OEM component designed for PG680, PG820, PG680RC, and PG820RC floor grinders. As an original Husqvarna part, it delivers the exact geometry and spring tension required for correct assembly and consistent performance. This wave washer is a direct fit for the listed floor grinder models, requiring no modification to install. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Spring Tension — manufactured to Husqvarna's precise load and deflection specifications, ensuring the washer performs exactly as the assembly requires
- Direct Assembly Fit — engineered to drop into position without modification, maintaining correct component spacing and preload in the grinder's drivetrain or disc assembly
- Broad Floor Grinder Compatibility — fits PG680, PG680RC, PG820, and PG820RC floor grinders, covering both standard and remote-controlled variants in the PG series
- Preserves Drive Assembly Integrity — correct wave washer tension prevents play and vibration in the assembly, protecting adjacent components from premature wear
- Verified Part Number Cross-Reference — cross-reference part number 502539901 against your machine's parts diagram to confirm the correct application before installation
A wave washer is a thin, undulating spring element used to apply a controlled axial load between two mating components. In floor grinders like the PG680 and PG820 series, it maintains preload within rotating or clamping assemblies, compensating for minor tolerances and preventing looseness that could lead to vibration or uneven wear. When a wave washer loses its spring tension or deforms, it can allow unwanted movement between components, affecting grinding consistency and accelerating wear on surrounding parts.
Part Details
| Part Number | 502539901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Wave Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | PG680 |
| Floor Grinder | PG820 |
| Floor Grinder | PG820RC |
| Floor Grinder | PG680RC |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
