The Husqvarna 574453001 O-Ring is a genuine OEM sealing component designed for WS482HF, WS440HF, WSC40, WS442, WS440, and WS482 wall saws. As a direct Husqvarna OEM part, this O-Ring is manufactured to the exact material grade and dimensional tolerances required by these track-mounted wall saw systems. Cross-reference part number 574453001 against your parts diagram to confirm the correct sealing position before ordering. DHS Equipment supplies this part to help keep your wall saw operating at full capacity.
Key Features
- OEM-Grade Sealing Material — Manufactured to Husqvarna's exact compound and compression specifications, ensuring the ring seats and seals correctly under the operating pressures of a wall saw system.
- Drop-In Sealing Fit — Dimensioned to match the original groove geometry, allowing this O-Ring to seat without modification across the compatible wall saw models.
- Broad Wall Saw Compatibility — Fits the WS482HF, WS440HF, WSC40, WS442, WS440, and WS482 track-mounted wall saws, covering multiple generations of Husqvarna's professional wall saw lineup.
- Leak Prevention — A correctly seated O-Ring maintains hydraulic or fluid-circuit integrity within the saw, preventing pressure loss and fluid contamination that can degrade cutting performance and damage internal components.
- Fluid System Safety — Maintaining a sound seal in a hydraulic wall saw system is essential for safe, controlled operation; a degraded O-Ring can lead to uncontrolled pressure drops or external fluid leaks on the work surface.
An O-Ring forms a compression seal between two mating surfaces or within a port, preventing hydraulic fluid, coolant, or pressurized fluid from escaping the circuit. In a track-mounted wall saw like the WS482HF or WS440, these seals are critical to sustaining the hydraulic pressure that drives blade rotation and feed movement. When an O-Ring hardens, cracks, or becomes deformed over time, it can no longer maintain a reliable seal, leading to fluid weeping, pressure loss, and potential damage to surrounding components. Replacing a worn O-Ring promptly with the correct genuine part restores circuit integrity and keeps the saw performing at its rated capacity.
Part Details
| Part Number | 574453001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS482HF |
| Wall Saw | WSC40 |
| Wall Saw | WS440HF |
| Wall Saw | WS442 |
| Wall Saw | WS440 |
| Wall Saw | WS482 |
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.