The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the EHB 7M, EHB 7/115, and EHB 7/230 series SDS-max electric demolition hammers. As a direct factory replacement, this O-Ring meets Wacker Neuson's original material and dimensional specifications, ensuring a proper seal within the hammer's internal assembly. Sourced directly from Wacker Neuson, part number is the correct replacement for all listed EHB 7 variants across both 115V and 230V configurations.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's original compound and compression specifications, so the seal performs consistently under the heat and impact cycles typical of SDS-max demolition work.
- Drop-In Internal Replacement — Sized to seat correctly in the original groove without trimming or adjustment, maintaining the housing tolerances Wacker Neuson engineers designed into the EHB 7 platform.
- Broad EHB 7 Series Coverage — Fits EHB 7M, EHB 7/115, and EHB 7/230 electric demolition hammers, covering both 115V and 230V variants in the EHB 7 family.
- Prevents Internal Contamination — A properly functioning O-Ring keeps lubricant in and dust and debris out of the hammer's internal mechanism; a cracked or flattened O-Ring allows contaminants in, accelerating wear on critical drive components.
- Correct Part for Leak-Free Operation — Using the OEM-specified O-Ring on a tool that handles high-cycle percussion loads ensures the seal holds its integrity across the full service interval, avoiding premature re-entry into the tool.
An O-Ring in an SDS-max demolition hammer serves as a precision sealing element within the tool's internal drive and lubrication system. It prevents grease or lubricant from migrating out of sealed cavities while also blocking fine concrete dust and debris from entering bearing and piston areas. When an O-Ring hardens, cracks, or deforms from heat and mechanical stress, it loses its ability to maintain that barrier — leading to lubricant loss, accelerated internal wear, and potentially compromised hammer performance over time. Replacing a worn O-Ring promptly with the correct OEM part is one of the most straightforward ways to preserve the service life of the EHB 7 hammer.
Part Details
| Part Number | 5000104219 |
|---|---|
| Old Part Number | 0104219 |
| 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, 5000007974 |
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7/230 | 5000007973, 5000007980 |
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.
