The Wacker Neuson Percussion Piston is a genuine OEM component designed for the EHB 11 BL and EHB 11 BLM series electric breakers and demolition hammers. As a direct factory replacement, this piston restores the impact-generating capability of your breaker to original operating spec. Verified fitment spans the full EHB 11 family across both 115V and 230V configurations, including BL, BLM, and BLS variants.
Key Features
- Genuine OEM Impact Tolerance: — Manufactured to Wacker Neuson's original dimensional and metallurgical standards, ensuring the piston delivers consistent percussive force within the striker mechanism without premature wear.
- Drop-In Replacement for the EHB 11 Family: — Engineered to install directly into the percussion housing of EHB 11 series breakers, matching original bore diameter and stroke geometry without alteration.
- Broad EHB 11 Series Compatibility: — Fits EHB 11 BL/115, EHB 11 BL/230, EHB 11 BLM/115, EHB 11 BLM/230, and EHB 11 BLS/115 models, covering the complete EHB 11 platform in both voltage variants.
- Full Impact Output Restored: — A worn or damaged percussion piston causes reduced blow energy, erratic chiseling, and accelerated wear on surrounding striker components. Replacing it with part 5000124570 brings impact performance back to full rated output.
- Fuel-Free Breaker Integrity: — Correct piston fit prevents uncontrolled internal percussion, reducing the risk of housing damage or sudden tool seizure during heavy-duty chiseling and drilling applications.
The percussion piston is the core reciprocating component inside an electric breaker's impact mechanism. It travels at high speed within the cylinder bore, transferring energy from the drive mechanism to the tool bit with each stroke — this repetitive impact is what breaks up concrete, masonry, and other hard materials. Over time, the piston surface can wear, score, or develop micro-fractures from continuous high-force cycling, which causes a noticeable drop in breaking power, increased vibration, and eventual failure of the surrounding striker assembly. Replacing the piston at the first sign of reduced impact performance is the most cost-effective way to protect the rest of the breaker's internal components.
Part Details
| Part Number | 5000124570 |
|---|---|
| Old Part Number | 0124570 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Percussion Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E.Breaker EHB 11 BL/115 WGB | EHB 11 BL/115 | 5000008741, 5000008733 |
| E.Breaker EHB 11 BLM/115SUL | EHB 11 BLM/115 | 5000008744, 5000008745 |
| Electric Breaker EHB 11 BL/230 | EHB 11 BL/230 | 5000008395, 5000008740, 5000610233 |
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 11 BLM/230 | 5000008731, 5000008743, 5000610234 |
| Electric Drilling/Chisseling H ammer, Spline, 115V | EHB 11 BLS/115 | 5000008742 |
| electric hammer EHB 11 BL 230 | EHB 11 BL/230 Loxam | 5000008754 |
| E.Breaker EHB 11 BL/230 SIB | EHB 11 BL/230 WMI | 5000008919 |
| E.Breaker EHB 11 BLM/230 SIB | EHB 11 BLM/230 WMI | 5000008920 |
| E.Breaker EHB 11 BLM/230Loxam | EHB 11 BLM/230 Loxam | 5000008997 |
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.