The Wacker Neuson Piston Complete is a genuine OEM component designed for the BS50-4s, BS60-4s, BS50-4, and BS60-4 series four-stroke vibratory rammers. As a direct factory replacement, this piston assembly is sourced and manufactured to Wacker Neuson's original specifications, ensuring the same dimensions, material grade, and ring tolerances as the part it replaces. Whether you're servicing a BS50-4s or a BS60-4 rammer, part number installs directly into the existing cylinder without modification. Keep your rammer delivering consistent compaction force by replacing a worn or damaged piston with the correct OEM assembly.
Key Features
- OEM Dimensional Accuracy — Manufactured to the exact bore diameter, skirt profile, and ring-groove tolerances specified for Wacker Neuson BS-series four-stroke rammer engines — critical for maintaining compression and combustion efficiency.
- Drop-In Engine Replacement — Matches the original piston assembly configuration, allowing direct installation into the cylinder bore of compatible BS50-4s, BS60-4s, BS50-4, and BS60-4 rammers without machining or adapter hardware.
- Broad BS-Series Fitment — Confirmed compatibility across multiple BS50-4s, BS60-4s, BS50-4, and BS60-4 model variants, covering both standard and EU-specification four-stroke vibratory rammers with 280mm/11in shoe configurations.
- Compression Integrity — A correctly fitted piston maintains proper cylinder compression, ensuring the rammer delivers full impact force per stroke for effective cohesive soil and trench compaction.
- Fuel System Safety Compliance — Proper piston sealing prevents blow-by gases from contaminating the crankcase oil or fuel system — a worn piston can lead to oil burning, increased emissions, and progressive engine damage.
The piston is the core reciprocating component inside the rammer's four-stroke engine, converting combustion pressure into the mechanical downstroke that drives the machine's jumping action and compaction force. As the piston travels up and down within the cylinder bore, it must maintain a precise seal via its rings to sustain compression; if the piston skirt wears, cracks, or the ring grooves deteriorate, compression drops, the engine loses power, and compaction output becomes inconsistent. Replacing a failed or worn piston with a genuine OEM assembly like the Wacker Neuson 5000158637 restores the engine's compression ratio and keeps the rammer performing at its rated impact force.
Part Details
| Part Number | 5000158637 |
|---|---|
| Old Part Number | 0158637 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s | 5000620071, 5000620078 |
| Four-stroke Vibratory Rammer, 280mm/11in Show | BS60-4s | 5000620072, 5000620563, 5000620073 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4s EU | 5000620074, 5000620483, 5000620812 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s EU | 5000620811 |
| Four-cycle Vibratory Rammer, 2 20mm/11in Shoe | BS50-4 | 5000620077, 5000620108, 5000009386 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4 | 5000620109, 5000620110, 5000009340, 5000620000, 5000620051 |
| VP1030R-VIBROPLATE | VP1030R | 5000008702, 5000009504 |
| Vibratory Soil Plate, 40 kN | VP40H | 5000009535 |
| Vibratory Rammer, 280mm/11in S hoe | BS500-4 | 5000009329 |
| Vibratory Rammer, 280mm/11in S hoe | BS600-4 | 5000009331 |
| Portable Inverter Generator | GPi1700 | 5000620778 |
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.
