The Husqvarna 505505801 Plug is a genuine OEM component designed for the WS440, WS440HF, WS482, WS482HF, and WS442 wall saws. As a factory-original part, this plug is manufactured to Husqvarna's exact specifications, ensuring a correct, secure fit without adaptation. Cross-reference part number 505505801 against your parts diagram to confirm compatibility with your specific wall saw configuration. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's original material and dimensional specifications, ensuring the sealing integrity and durability expected in demanding wall saw applications.
- Direct Drop-In Replacement — Engineered to seat and secure exactly as the original, with no reworking of the port or surrounding assembly required.
- Broad Wall Saw Compatibility — Fits the WS440, WS440HF, WS482, WS482HF, and WS442 wall saws, covering both standard and high-frequency variants in the WS series.
- Prevents Fluid Loss and Contamination — A correctly seated plug seals ports and passages against leakage and ingress, maintaining system pressure and protecting internal components during operation.
- Verified Fitment Accuracy — Ordering by Husqvarna part number this part ensures you receive the exact plug specified for your machine, eliminating guesswork when returning the saw to service.
A plug serves as a sealing closure for ports, passages, or access points within a machine's hydraulic, fluid, or structural system. When correctly installed, it prevents leakage, blocks contamination from entering internal passages, and maintains the system pressures the machine depends on for safe, consistent operation. A missing, damaged, or improperly fitted plug can lead to fluid loss, pressure drop, or internal contamination — any of which can compromise wall saw performance and accelerate wear on surrounding components.
Part Details
| Part Number | 505505801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Plug |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS440HF |
| Wall Saw | WS482HF |
| Wall Saw | WS440 |
| Wall Saw | WS482 |
| Wall Saw | WS442 |
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.
