The Husqvarna 539990188 Washer is a genuine OEM replacement designed for a wide range of Husqvarna construction equipment, including the FS4600G, FS8400D, FS3500G, and RS8500D floor saws, SoffCut2500 and SoffCut5000 early entry saws, MS355, MS355G, MS510, MS510G, and MS610 tile and masonry saws, and PP2525DTR, PP2525DS, and PP3030 power packs. As a direct OEM component, this washer is manufactured to Husqvarna's exact specifications, ensuring a verified fit across every listed model. Cross-reference part number 539990188 against your parts diagram to confirm the correct application before ordering. DHS Equipment supplies this part to help keep your equipment running.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's exact material and dimensional specifications, ensuring the correct load distribution and surface protection expected from an OEM fastener component.
- Direct Drop-In Replacement — Installs exactly as the original, with no rework or modification needed to seat correctly within the assembly.
- Broad Equipment Compatibility — Fits Husqvarna floor saws, early entry saws, tile and masonry saws, and power packs, covering models including the FS4600G, FS8400D, MS355, MS610, SoffCut5000, PP3030, and more.
- Protects Mating Surfaces — A correctly fitted washer distributes fastener load evenly, preventing surface damage, deformation, and fastener loosening under operational vibration.
- Verified Part Number — Ordering by part number 539990188 confirms you are sourcing the exact OEM component specified for your machine, eliminating compatibility guesswork.
A washer serves as a load-distributing interface between a fastener — such as a bolt or nut — and the surface it clamps against. By spreading the clamping force over a wider area, it prevents the fastener from pulling through or damaging softer materials and helps maintain consistent tension across an assembly. In construction equipment that operates under sustained vibration and mechanical stress, using the correct OEM washer is important: an undersized or incorrect washer can allow fasteners to work loose over time, leading to misalignment, component wear, or assembly failure.
Part Details
| Part Number | 539990188 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4600G |
| Floor Saw | FS8400D |
| Floor Saw | Pro65G |
| Early Entry Saw | SoffCut2500 |
| Power Pack | PP2525DTR |
| Power Pack | PP3030 |
| Floor Saw | FS3500G |
| Tile & Masonry Saw | MS355 |
| Tile & Masonry Saw | MS355G |
| Tile & Masonry Saw | MS510 |
| Early Entry Saw | SoffCut5000 |
| Tile & Masonry Saw | MS510G |
| Floor Saw | PRO65G |
| Floor Saw | RS8500D |
| Tile & Masonry Saw | MS610 |
| Power Pack | PP2525DS |
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.