The Wacker Neuson O-Ring is a genuine OEM component designed for the EHB 7M and EHB 7/115 electric rotary demolition hammers. Sourced directly from Wacker Neuson, this O-Ring is built to the exact material and dimensional specifications required for proper sealing within these tools. It fits the EHB 7M (SDS-max, 115V) and EHB 7/115 models, making it the correct choice when servicing either of these hammers. Verify your model number against part number before ordering to ensure a direct, compatible replacement.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material and compression specifications, ensuring the seal performs as designed within the hammer's internal assembly.
- Drop-In Replacement — Dimensionally identical to the original, so it seats correctly in the existing groove without reworking or adapting the surrounding components.
- Confirmed Fitment — Verified for the EHB 7M (SDS-max, 115V) and EHB 7/115 rotary demolition hammers.
- Protects Internal Components — A properly functioning O-Ring keeps contaminants out and retains lubrication where it's needed, which directly affects the longevity of the hammer's internal mechanism.
- Fluid and Debris Exclusion — Critical in demolition environments where dust and moisture exposure is constant; a failed or deteriorated O-Ring can allow ingress that damages precision internal parts.
An O-Ring in an electric demolition hammer serves as a precision seal between mating components inside the tool's housing. It prevents lubrication from escaping the internal mechanism while blocking dust, moisture, and debris from entering areas where they can cause wear or corrosion. When an O-Ring hardens, cracks, or deforms with age and heat, it loses its ability to maintain that seal — leading to grease loss, contamination of internal parts, and accelerated wear on the hammer mechanism. Replacing a worn O-Ring with the correct Wacker Neuson 5000104189 restores the sealed environment the tool needs to operate at full performance.
Part Details
| Part Number | 5000104189 |
|---|---|
| Old Part Number | 0104189 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7M | 5000007850 |
| Rotary Demolition Hammer | EHB 7/115 | 5000007706 |
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.