The Wacker Neuson Piston With Rings is a genuine OEM component designed for the DPU 4045Y vibration plate. As a factory-sourced part, it is manufactured to the same specifications as the original, ensuring correct fit and function within the engine assembly. This assembly includes the piston and ring set together, so you have everything needed to complete the repair in a single order. Confirm your machine's model number against the DPU 4045Y fitment data before ordering to ensure this is the correct part for your unit.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the exact bore diameter and ring groove tolerances of the original piston, ensuring correct compression seal and cylinder clearance.
- Complete Piston and Ring Assembly — Supplied as a matched set so the rings index correctly to the piston grooves — no separate sourcing required for a full piston replacement.
- Fits DPU 4045Y Vibration Plate — Verified for the Wacker Neuson DPU 4045Y compaction plate; always cross-reference your machine number before ordering.
- Restores Full Compression — A worn piston or degraded rings cause loss of engine compression, hard starting, and reduced compaction output; this assembly brings compression back to operating spec.
- Fuel System Integrity — Proper ring seating prevents blow-by that can contaminate engine oil with unburned fuel, protecting the rest of the engine from accelerated wear.
The piston is the reciprocating heart of the engine, converting combustion pressure into the crankshaft rotation that powers the DPU 4045Y's compaction mechanism. The piston rings seal combustion gases above the piston while scraping excess oil from the cylinder wall below, maintaining the pressure differential the engine needs to run efficiently. When rings wear or the piston skirt becomes damaged, compression drops, oil consumption rises, and the machine loses the power output required for effective soil or asphalt compaction.
Part Details
| Part Number | 5000210509 |
|---|---|
| Old Part Number | 0210509 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston With Rings |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| vibration plate DPU 4045Y | DPU 4045Y | 5000610027 |
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.
