The Wacker Neuson Rings Oversize 0.50mm is a genuine OEM piston ring set designed for the DPU 4045YE reversible vibratory plate compactor. Sourced directly from Wacker Neuson, this oversize ring set is engineered to restore proper cylinder sealing in engines that have been bored 0.50mm beyond the standard diameter. Using the correct oversize specification ensures a proper fit against the cylinder wall — critical for compression retention and oil control. This part is a direct OEM replacement, giving you confidence that the specification matches what was installed at the factory.
Key Features
- Correct Oversize Specification: — Ground to 0.50mm over standard bore, ensuring proper ring-to-cylinder wall clearance after engine boring or honing.
- Genuine OEM Piston Ring Set: — Manufactured to Wacker Neuson's material and tension specifications, maintaining the compression seal and oil scraping performance the engine was designed around.
- Drop-In Fit for Bored Engines: — Sized to match a 0.50mm overbore, so they install directly into a properly prepared cylinder without additional machining.
- Restores Compression and Power: — Worn or broken piston rings allow combustion gases to blow past the piston, causing loss of power, increased oil consumption, and hard starting. Replacing with the correct oversize set restores engine performance.
- Verified Fitment for DPU 4045YE: — Confirmed for the DPU 4045YE diesel reversible plate compactor, a heavy-duty machine used in soil and aggregate compaction.
Piston rings seal the combustion chamber between the piston and the cylinder wall, ensuring that pressure generated during combustion drives the piston down rather than escaping past it. They also control the oil film on the cylinder wall, preventing excessive oil burn and emissions. When rings wear or break, compression drops, the engine loses power, oil consumption climbs, and the machine becomes difficult to start — all of which compromise compaction output. An oversize ring set like the 5000155787 is used specifically when the cylinder has been rebored, restoring the tight seal that a standard-size ring can no longer provide in a worn or enlarged bore.
Part Details
| Part Number | 5000155787 |
|---|---|
| Old Part Number | 0155787 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rings Oversize 0.50mm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| V.Plate DPU 4045Ye | DPU 4045YE | 5000610181 |
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.
