The Husqvarna 505538001 Quick Coupling is a genuine OEM hydraulic connection component designed for Husqvarna wall saws, including the WS8, WS220, WS440, WS440HF, WS442, WS482, and WS482HF. As a direct OEM replacement, this coupling is built to Husqvarna's exact specifications, ensuring a secure, leak-free hydraulic connection every time. Cross-reference part number 505538001 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your wall saw operating at full capacity.
Key Features
- OEM Hydraulic Integrity — Manufactured to Husqvarna's exact pressure tolerances and port dimensions, ensuring a sealed, full-flow hydraulic connection without improvised adapters or workarounds.
- Direct Swap Installation — Engineered to connect directly to the existing hydraulic lines on compatible wall saws, matching the original coupling interface for a straightforward swap.
- Broad Wall Saw Compatibility — Fits the WS8, WS220, WS440, WS440HF, WS442, WS482, and WS482HF wall saws, covering a wide range of Husqvarna track-mounted cutting systems.
- Sustained Cutting Power — A properly functioning quick coupling maintains consistent hydraulic flow to the wall saw's drive system, enabling smooth, uninterrupted blade rotation at rated power.
- Hydraulic System Safety — A worn or damaged coupling can cause hydraulic fluid loss or pressure drop under load; replacing it with a genuine OEM part restores safe, controlled operation of the saw head.
A quick coupling serves as the fast-connect hydraulic interface between the wall saw and its power supply line, allowing the hydraulic circuit to be connected and disconnected without tools and without significant fluid loss. It regulates the transfer of pressurized hydraulic fluid that powers the saw's blade motor — without a properly sealed coupling, the system loses pressure, blade speed drops, and the risk of uncontrolled fluid leaks increases. When a coupling begins to leak, stick, or fail to lock, replacing it promptly with a genuine OEM component like this one restores the full integrity of the hydraulic circuit and the safe, consistent performance of the wall saw.
Part Details
| Part Number | 505538001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Quick Coupling |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS8 |
| Wall Saw | WS482HF |
| Wall Saw | WS440HF |
| Wall Saw | WS442 |
| Wall Saw | WS440 |
| Wall Saw | WS482 |
| Wall Saw | WS220 |
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.
