The Wacker Neuson Percussion Piston is a genuine OEM component designed for the EH 9 BL and EH 9 BLM series electric demolition breakers. Sourced directly from Wacker Neuson, this part carries the same specifications as the original installed at the factory, ensuring a direct, trouble-free installation into your breaker. It is compatible across the full EH 9 BL and EH 9 BLM family, covering both 115V and 230V configurations. When impact performance drops or the breaker stops delivering consistent blows, replacing the percussion piston with a genuine part like the restores the machine to full working condition.
Key Features
- Genuine OEM Impact Integrity — Manufactured to Wacker Neuson's original mass and hardness tolerances, so the percussion cycle delivers consistent energy transfer with every stroke.
- Drop-In Installation — Dimensioned to the exact bore and stroke specifications of the EH 9 percussion mechanism, slotting directly into the breaker body without machining or fitting adjustments.
- Broad EH 9 Series Coverage — Fits the full EH 9 BL and EH 9 BLM lineup across 115V and 230V variants, including Loxam and WMI special-edition machines.
- Restored Impact Force — A worn or damaged percussion piston causes erratic or lost blowback energy; replacing it brings chiseling force back to rated output and protects the tool shank from uneven loading.
- Operational Safety in High-Cycle Demolition — A cracked or out-of-spec piston can cause unpredictable recoil behavior in an electric breaker; using the correct OEM part maintains controlled, repeatable impact characteristics.
The percussion piston is the core striking component inside an electric breaker's impact mechanism. Driven by an electro-pneumatic or mechanical reciprocating system, it delivers rapid, high-force blows to the tool shank, which in turn transfers that energy into concrete, masonry, or asphalt. Over time and through heavy use, the piston surface can wear, score, or develop micro-fractures that reduce blow energy or cause the breaker to stall mid-operation. Replacing a worn percussion piston with a correctly specified part like the Wacker Neuson 5000124818 is one of the most direct ways to return a struggling EH 9 breaker to full demolition output.
Part Details
| Part Number | 5000124818 |
|---|---|
| Old Part Number | 0124818 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Percussion Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E.Breaker EH 9 BL/115 SUL | EH 9 BL/115 | 5000008736, 5000008734 |
| E.Breaker EH 9 BLM/115 SUL | EH 9 BLM/115 | 5000008738, 5000008739 |
| Electric Breaker w/19x82.5 sha nk, 230V | EH 9 BL/230 | 5000008429, 5000008735, 5000610231 |
| Electric Breaker w/28x152 shan k, 110V | EH 9 BLM/230 | 5000008732, 5000008737, 5000610232 |
| Hammer EH 9 BL/230 Loxam | EH 9 BL/230 Loxam | 5000008753 |
| E.Breaker EH 9 BL/230 SIB | EH 9 BL/230 WMI | 5000008917 |
| electric hammer EH9 BLM/230 | EH 9 BLM/230 WMI | 5000008918 |
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.