The Wacker Neuson Piston Guide Complete is a genuine OEM component designed for the BH 22, BH 23, BH 55, BH 65, EH 22, EH 23, EH 24, EH 27, and EH 50 series gasoline and electric breakers. Sourced directly from Wacker Neuson, part number meets the same specifications as the original part installed at the factory. This piston guide services an exceptionally wide range of tool holder configurations and voltage variants across both the BH and EH breaker families, making it a high-utility stocking part for fleet operators and service shops. Confirm your model and machine number before ordering to ensure a correct application match.
Key Features
- Genuine OEM Tolerancing — Manufactured to Wacker Neuson's original dimensional specifications, ensuring the piston travels within its designed bore clearance for consistent impact energy delivery.
- Direct Drop-In Installation — Engineered to replace the original guide without modification; aligns with existing piston and cylinder bore geometry on compatible BH and EH breaker models.
- Broad Breaker Family Coverage — Fits gasoline BH 22, BH 23, BH 55, and BH 65 models as well as electric EH 22, EH 23, EH 24, EH 27, and EH 50 series breakers across multiple tool holder and voltage configurations.
- Sustained Strike Consistency — A worn or damaged piston guide causes lateral piston movement, loss of impact force, and accelerated cylinder wear; replacing it restores full striking efficiency.
- Critical Internal Alignment Component — Correct piston guidance directly affects operator safety and tool retention; a failed guide can lead to erratic tool behavior and uncontrolled impact stroke.
The piston guide is the internal component that keeps the reciprocating piston centered and aligned within the breaker's cylinder bore during each impact stroke. By maintaining precise lateral alignment, it ensures that the full force of each stroke is transferred cleanly and axially through the tool, rather than being lost to side-loading or friction against the cylinder wall. When the guide wears or cracks, the piston begins to run off-axis, which accelerates wear on both the piston and cylinder, reduces breaking power, and can ultimately cause internal component failure if left unaddressed.
Part Details
| Part Number | 5000104649 |
|---|---|
| Old Part Number | 0104649 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Guide Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Gasoline Breaker, tool holder 27x80 | BH 23 | 5000007891, 5000007892, 5000007893, 5000007894, 5000610292, 5000610377, 5000610378, 5000610379, 5000610380, 5000610381, 5000008333 |
| Petrol Breaker BH 23 RS | BH 23 RS | 5000008595 |
| Gasoline Tie Tamper, tool hold er 27x80 | BH 22 | 5000007890 |
| Petrol Breaker BH 22 | BH 22 RS | 5000007953 |
| Petrol Breaker BH 23 Loxam | BH 23 Loxam | 5000610296 |
| BH 55, 27x80 | BH 55 27x80 | 5100004026 |
| BH 55, hex 25x108 | BH 55 25x108 | 5100004027 |
| BH 55, hex 28x152 | BH 55 28x152 | 5100004028 |
| BH55 28x160 | BH 55 28x160 | 5100004029 |
| Petrol Breaker | BH 55 27x80 CN | 5100004030 |
| Petrol Breaker BH 23 SJT | BH 23 SJT | 5000610410 |
| Petrol Breaker | BH 55 27x80 JP | 5100004031 |
| ND-40-I(BH23) | ND-40-I(BH23) | 5100060159 |
| Electric Breaker w/28x152 shan k, 110V | EH 27/115 | 5000008396 |
| E.Breaker EH 23/230 Low Vib | EH 23/230 Low Vib | 5000008914, 5000008941, 5000008942, 5000008943, 5000008944, 5000610297 |
| E.Breaker EH 23/115 Low Vib | EH 23/115 Low Vib | 5000008916 |
| Breaker | EH 27/120 Low Vib | 5000610195 |
| Breaker | EH 27/127 Low Vib | 5000610196 |
| Electric Breaker | EH 23/100 Low Vib | 5000610238 |
| BH 23 27x80 CN | BH 23 27x80 CN | 5100010066 |
| BH55 27x80 | BH55 27x80 | 5100047063 |
| BH55rw 27x80 | BH55rw 27x80 | 5100047100 |
| BH55rw 28x160 | BH55rw 28x160 | 5100047101 |
| BH55rw 32x160 | BH55rw 32x160 | 5100047102 |
| BH55rw rs 27x80 | BH55rw rs 27x80 | 5100047103 |
| BH55 25x108 | BH55 25x108 | 5100047104 |
| BH55 28x160 | BH55 28x160 | 5100047105 |
| Electric Breaker w/28x152 shan k, 115V | EH 23/110/15 | 5000007767 |
| Electric Breaker w/Ø27x80 shan k, 230V | EH 23/230 | 5000007770, 5000007771, 5000007776 |
| Electric Breaker w/25x108 shan k, 230V | EH 23/230 EE25x108 | 5000007772 |
| El. Hammer EH 23/110/22 | EH 23/110/22 | 5000007774, 5000007815 |
| Electric Breaker w/27x80 shank , 42V | EH 24/042/200 | 5000007790, 5000610244 |
| E.Breaker EH 24/115/200 | EH 24/115/200 | 5000007791 |
| El. Hammer EH 24/250/200 | EH 24/250/200 | 5000007792 |
| E.Breaker EH 22/230 | EH 22/220 | 5000007823 |
| E.Breaker EH 22/400 | EH 22/400 | 5000007824 |
| Electric Breaker w/25x108 shan k, 380V | EH 22/400 EE25x108 | 5000007825 |
| E.Breaker EHL 22/400 SSZ | EHL 22/400 WSZ | 5000007826 |
| E.Breaker EH 22/400 SSZ | EH 22/400 WSZ | 5000007848 |
| Electric Hammer EH 22/230 60Hz | EH 22/230 60Hz | 5000008610 |
| Breaker EH 27/127 | EH 27/127 | 5000008957 |
| High Frequency Demolitionset | TEH 1 | 5000610241 |
| EH 50, hex 25x108 | EH 50/230 25x108 | 5100001908 |
| EH 50, 27x80 | EH 50/230 27x80 | 5100001909 |
| EH 50, hex 28x152 | EH 50/230 28x152 | 5100004472 |
| EH 50, hex 28x160 | EH 50/230 28x160 | 5100004473 |
| Electric Hammer | EH 50/230 28x160 BR | 5100009761 |
| Petrol Breaker | BH55 27x80 SEA | 5100026903 |
| BH65 28x160 | BH65 28x160 | 5100047068, 5100051587 |
| BH65 32x160 | BH65 32x160 | 5100047069 |
| BH65 27X80 | BH65 27x80 | 5100047106 |
| BH65 25x108 | BH65 25x108 | 5100047107 |
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.
