The Wacker Neuson Percussion Piston is a genuine OEM component designed for the EHB 11/110 and EH 8/042/200 electric demolition hammers. As a direct factory replacement, this part matches the original specification exactly, ensuring it seats and cycles correctly within the hammer mechanism without additional fitting or modification. Verified fitment covers the EHB 11/110 spline-drive electric hammer and the EH 8/042/200 electric hammer. Keeping an accurate part number on hand before ordering is the best way to confirm compatibility with your specific machine serial number.
Key Features
- Genuine OEM Impact Integrity — Manufactured to Wacker Neuson's original piston geometry and hardness spec, so the percussion cycle delivers consistent blow energy with every stroke.
- Drop-In Replacement — Matches the original piston profile and spline interface, dropping straight into the hammer housing with no reworking of the bore or drive components.
- Confirmed Fitment — Verified for the EHB 11/110 (115V spline-drive) and EH 8/042/200 electric demolition hammers.
- Sustained Chisel Force — A correctly functioning percussion piston transfers full reciprocating energy to the tool shank; a worn or cracked piston causes noticeably reduced breaking power and uneven chiseling action.
- Operational Safety — The percussion piston operates under high cyclic impact loads; using a genuine OEM part with the correct material grade prevents premature fracture that could damage internal hammer components or create a hazard for the operator.
The percussion piston is the heart of an electric demolition hammer's impact mechanism. As the motor drives the reciprocating action, the piston compresses an air cushion that accelerates the striker into the tool shank, converting rotational motor energy into sharp, repetitive blows at the chisel or bit. When the piston wears, develops surface scoring, or cracks, the air cushion is compromised and blow energy drops sharply — the hammer may feel sluggish, fail to break material effectively, or stop hammering entirely while the motor continues to run. Replacing the piston with a genuine OEM part restores full impact performance and protects the surrounding hammer components from the secondary damage that an undersized or out-of-spec piston can cause.
Part Details
| Part Number | 5000098555 |
|---|---|
| Old Part Number | 0098555 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Percussion Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electric Drilling/Chisseling H ammer, Spline, 115V | EHB 11/110 | 5000007096 |
| El. Hammer EH 8/042/200 | EH 8/042/200 | 5000007364 |
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.
