The Husqvarna 522961401 O-Ring is a genuine OEM sealing component designed for the DXR300, DXR270, and DXR250 demolition robots. As a direct Husqvarna OEM part, this O-Ring is manufactured to the exact material grade and dimensional tolerances specified for these machines, ensuring a proper seal every time. This component is confirmed to fit DXR300, DXR270, and DXR250 demolition robots — cross-reference part number 522961401 against your parts diagram to verify the correct application before ordering. DHS Equipment supplies this part to help keep your demolition equipment operating at full capacity.
Key Features
- OEM-Grade Sealing Material — Manufactured to Husqvarna's specified compound and compression tolerances, delivering the correct sealing performance for hydraulic and mechanical interfaces on demolition robots.
- Exact-Fit Replacement — Dimensioned to seat precisely in the original groove geometry, allowing straightforward installation without modification to mating components.
- Confirmed Fitment — Compatible with DXR300, DXR270, and DXR250 demolition robots; verify using part number 522961401 on your Husqvarna parts diagram.
- Leak Prevention — A correctly seated O-Ring maintains pressure integrity within hydraulic circuits, preventing fluid loss that can degrade robot arm response and overall machine output.
- Hydraulic System Safety — Maintaining an intact seal is essential on hydraulic demolition equipment; a failed or degraded O-Ring can lead to uncontrolled pressure loss, making timely replacement critical to safe operation.
An O-Ring forms a pressure-tight seal between two mating surfaces or fluid-carrying components within a hydraulic or mechanical assembly. On demolition robots such as the DXR300, DXR270, and DXR250, O-Rings are used throughout the hydraulic circuit to prevent fluid from bypassing connections between components like valves, cylinders, and fittings. When an O-Ring degrades — through compression set, chemical exposure, or physical damage — it loses its ability to hold pressure, resulting in hydraulic fluid leaks, reduced arm force, or erratic attachment behavior. Replacing a worn O-Ring promptly with the correct OEM component restores full sealing integrity and keeps the hydraulic system operating as intended.
Part Details
| Part Number | 522961401 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Demolition Robot | DXR300 |
| Demolition Robot | DXR270 |
| Demolition Robot | DXR250 |
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.
