The Wacker Neuson Piston With Ring Os=.25 is a genuine OEM component designed for the DPU 4045Y vibration plate. Sourced directly from Wacker Neuson, this is the correct oversized piston and ring assembly specified for 0.25mm oversize engine rebuilds on that platform — not a generic substitute. Choosing the right oversized specification is critical during engine reconditioning, and the ensures the bore-to-piston clearance matches what Wacker Neuson engineers intended. If you are rebuilding the engine on your DPU 4045Y, this is the part that keeps the job done right the first time.
Key Features
- Correct Oversized Specification: — Sized at Os=.25 (0.25mm oversize) to match a properly bored cylinder, ensuring accurate piston-to-wall clearance for a successful engine rebuild.
- Genuine OEM Construction: — Cast and finished to Wacker Neuson's own piston tolerances, so ring seal, compression retention, and thermal expansion behavior are exactly as the engine was designed to run.
- Ring Included in Assembly: — Supplied as a complete piston and ring set under part number 5000210514, eliminating the guesswork of sourcing a matching ring separately.
- Direct Fitment for DPU 4045Y: — Engineered specifically for the DPU 4045Y vibration plate (model 5000610027), dropping into the engine bore without secondary machining or fitment guesswork.
- Compression and Power Restoration: — A worn or scored piston causes blow-by, loss of compression, and reduced compaction performance; replacing it with the correct oversized unit restores full engine output and plate productivity.
The piston and ring work together as the heart of the engine's combustion cycle. The piston transfers the force of combustion down to the crankshaft, while the ring seals the combustion chamber, maintains compression, and controls oil consumption. In a compaction machine like the DPU 4045Y, a compromised piston means lost compression, rough running, and reduced plate force — all of which directly affect compaction results. An oversized piston like the 5000210514 is used when the cylinder bore has been re-machined to remove wear or scoring, restoring the engine to a tight, like-new seal.
Part Details
| Part Number | 5000210514 |
|---|---|
| Old Part Number | 0210514 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston With Ring Os=.25 |
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.
