The Husqvarna 531119282 O-Ring is a genuine OEM sealing component designed for the WS220, WS482HF, WS440HF, WS440, WS482, and WS442 wall saws. As a direct Husqvarna OEM part, this O-Ring is manufactured to the exact material grade and dimensional tolerances required to maintain a proper seal within the machine. Cross-reference part number 531119282 against your parts diagram to confirm the correct application before installation. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Grade Sealing Material — Manufactured to Husqvarna's exact compound and compression specifications, ensuring the seal performs correctly under the operating pressures of a wall saw system.
- Exact-Dimension Replacement — This O-Ring matches the original groove dimensions and cross-section diameter, seating securely without adjustment or rework during installation.
- Broad Wall Saw Compatibility — Confirmed fit for WS220, WS482HF, WS440HF, WS440, WS482, and WS442 wall saws, covering multiple generations of Husqvarna's track-mounted wall saw lineup.
- Leak Prevention — A correctly seated O-Ring prevents hydraulic or coolant fluid loss at the joint it seals, maintaining system pressure and protecting surrounding components from fluid damage.
- Hydraulic System Integrity — A failed or worn O-Ring in a wall saw can cause pressure drop or fluid bypass, directly affecting cutting force and control. Replacing it promptly restores full system performance.
An O-Ring is a loop-shaped elastomeric seal that sits in a machined groove between two mating components. Its role is to prevent fluid — hydraulic oil or water — from leaking past the joint under pressure. In wall saws like the WS220 and WS482 series, these seals are critical to maintaining hydraulic pressure to the blade drive and keeping the system free of contamination. When an O-Ring ages, hardens, or becomes compressed beyond its rated range, it loses its ability to seal, leading to fluid weeping, pressure loss, and potential damage to the components it was protecting. Replacing a worn O-Ring with the correct OEM part restores the integrity of the sealed joint and keeps the wall saw operating as intended.
Part Details
| Part Number | 531119282 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS220 |
| Wall Saw | WS482HF |
| Wall Saw | WS440HF |
| 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.
