The Wacker Neuson Piston With Ring Os=0.5 is a genuine OEM component designed for the DPU 4045Y vibration plate. Sourced directly from Wacker Neuson, this oversized piston assembly is manufactured to the exact dimensional and material standards required for a proper engine rebuild on the DPU 4045Y. The 0.5 mm oversize designation means this piston is intended for use with a bored or honed cylinder, restoring correct compression and clearances after wear. If you are rebuilding the engine on your DPU 4045Y, using the correctly sized genuine OEM piston is essential to getting the machine back to full operating condition.
Key Features
- OEM Oversize Accuracy — Manufactured to Wacker Neuson's precise 0.5 mm oversize specification, ensuring correct bore-to-piston clearance after cylinder machining.
- Ring Included as an Assembly — Supplied complete with the piston ring, so both wear components are replaced together for a complete, consistent fit during engine rebuild.
- Direct Fitment for DPU 4045Y — Engineered specifically for the DPU 4045Y vibration plate; installs as a direct drop-in replacement during a standard engine overhaul.
- Restores Compression and Power — A worn or damaged piston causes lost compression, hard starting, and reduced compaction force; this genuine OEM assembly brings the engine back to correct output.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM supply chain, this is the same piston assembly used in original production — not an approximation.
The piston and ring are the core of the engine's compression cycle — the piston travels up and down inside the cylinder bore, compressing the air-fuel mixture and transferring combustion force to the crankshaft. The piston ring seals the gap between the piston and the cylinder wall, maintaining compression and preventing oil from entering the combustion chamber. When a piston or ring wears beyond tolerance, compression drops, oil consumption rises, and the engine loses the power needed to drive the compaction mechanism effectively. Replacing with an oversize piston like the 5000210516 — sized to match a freshly bored cylinder — restores the tight seal and full compression the engine needs to run correctly.
Part Details
| Part Number | 5000210516 |
|---|---|
| Old Part Number | 0210516 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston With Ring Os=0.5 |
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.
