Description
Overview:
The O-Ring for Husqvarna DM 406 H core drill, OEM No. 740 43 08-00, is a precision sealing ring used to keep joints leak-free in wet and dry drilling assemblies. Manufactured to Husqvarna’s original specification, it provides a tight, reliable seal that helps maintain water flow control and prevents dust or slurry ingress into sensitive components. Built from a durable elastomer, it withstands the demands of site work and regular maintenance. Suitable for Husqvarna core drilling equipment including DM 406 H and DM406H, it restores correct sealing performance when the original O-ring is worn, flattened, or damaged. This is a Genuine Husqvarna OEM part for assured fit and compatibility with the specified machines.
Key Features:
- Genuine Husqvarna OEM part for correct fit and performance
- Direct replacement for OEM No. 740 43 08-00
- Provides a reliable seal to reduce leaks and maintain system pressure
- Durable elastomer construction for long service life in demanding conditions
- Helps protect bearings, gears, and electrics from water and dust ingress
- Suitable for wet drilling systems where controlled water delivery is required
- Consistent with original groove dimensions for straightforward installation
- Supports routine maintenance and reduces unplanned downtime
Typical Applications:
Used in Husqvarna core drill assemblies to seal static or dynamic joints such as housings, covers, connectors, and water feed interfaces. Ideal during scheduled servicing or when diagnosing water, oil, or air leaks. Replacing a worn O-ring helps maintain cooling water flow, drilling accuracy, and the overall reliability of the core drill on site.
Also known as:
O ring seal, sealing ring, elastomer ring, gasket ring, oil/water seal, circular seal. These terms are commonly used for round section seals used in pumps, gearboxes, connectors, and general machinery maintenance.
Fits Models:
DM 406 H, DM406H
Alternate Part Numbers:
740430800, 740 43 08-00, 740-43-08-00, 740 43 08 00
Product Specifications
| L&S Part No. | 740 43 08 00 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 740430800 |
| Unit of Sale | 1 |
| Machine Type | Drills |
| Fits Brands | Husqvarna |
| Fits Models | DM 406 H |

