The Husqvarna 531119365 O-Ring 11.3x2.4 NBR 90 is a genuine OEM sealing component designed for the WS460 and WS463 wall saws. This O-ring delivers an exact dimensional match to the original, ensuring a proper compression seal in the specific bore or fitting it was engineered for. As a genuine Husqvarna part, it is manufactured to the same material grade and hardness specification as the component it replaces. DHS Equipment supplies this part to help keep your wall saw operating at full capability.
Key Features
- NBR 90 Compound Construction — Nitrile rubber at 90 Shore A hardness delivers the compression resistance and fluid compatibility required for demanding hydraulic and coolant sealing applications in wall saw systems.
- Exact OEM Dimensions — Manufactured to the precise cross-section and inner diameter of the original, this O-ring seats correctly in its groove without stretching, pinching, or improvised shimming.
- Direct Fit for WS460 and WS463 Wall Saws — Confirmed fitment for the WS460 and WS463 wall saws; cross-reference 531119365 against your parts diagram to verify the correct sealing position before installation.
- Leak Prevention at the Source — A correctly fitted O-ring maintains system pressure and prevents fluid ingress or egress, protecting surrounding components from contamination and wear.
- Genuine Husqvarna OEM Quality — Sourced directly from Husqvarna's authorized parts chain, this component meets the same specification as the part originally installed on the machine.
An O-ring is a circular elastomeric seal that sits in a machined groove and forms a pressure-tight barrier between two mating surfaces or around a fitting. In wall saw applications, O-rings are used throughout hydraulic circuits, water cooling lines, and blade head assemblies to prevent fluid leaks and maintain the pressure levels the system depends on. When an O-ring degrades — through heat cycling, compression set, or chemical exposure — it loses its sealing ability, leading to fluid loss, pressure drop, or contamination that can affect cutting performance and accelerate wear on adjacent parts. Replacing a worn O-ring promptly with the correct OEM component restores the seal and protects the integrity of the surrounding assembly.
Part Details
| Part Number | 531119365 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring 11.3x2.4 NBR 90 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS460 |
| Wall Saw | WS463 |
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.
