The Wacker Neuson Piston Ring Set is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator and the L5000/225 series units, including both ISO and ANSI configurations. As a factory-authorized part, this set is manufactured to the exact tolerances required to maintain proper compression and oil control in the engine. It is a direct-fit replacement for the D4000 and L5000/225 platforms, ensuring seamless installation without guesswork. When it comes time to rebuild or restore engine performance, sourcing the correct OEM ring set is the most straightforward path to a lasting repair.
Key Features
- OEM Compression Tolerancing — Manufactured to Wacker Neuson's exact ring gap and radial wall specifications, preserving the compression seal that keeps the engine producing full power.
- Drop-In Engine Replacement — Engineered to seat correctly in the factory piston ring grooves of compatible engines, allowing a straightforward installation during a top-end rebuild.
- Broad Series Compatibility — Fits the D4000 Diesel Power Unit for Internal Vibrator and L5000/225 units in both ISO and ANSI configurations, covering multiple common platform variants.
- Restores Engine Compression and Oil Control — Worn or broken piston rings allow combustion gases to bypass the piston and oil to enter the combustion chamber; a fresh ring set brings both back into spec.
- Genuine Wacker Neuson OEM Part — Supplied directly through the authorized parts channel under part number 5000206141, so you know the materials and dimensions match the original build exactly.
Piston rings form a dynamic seal between the piston and the cylinder wall, serving two critical jobs: holding combustion pressure above the piston so the engine generates power, and scraping excess oil back down so it does not burn in the combustion chamber. Over time, rings wear, lose tension, or can break entirely, leading to symptoms like lost compression, excessive oil consumption, blue exhaust smoke, and hard starting. Replacing the ring set during a top-end overhaul restores the tight seal the engine depends on and brings performance back to where it should be.
Part Details
| Part Number | 5000206141 |
|---|---|
| Old Part Number | 0206141 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
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.