The Wacker Neuson Oil Ring is a genuine OEM component designed for GP4000 series portable generators, including Premium Portable Generator and standard Portable Generator configurations. Sourced directly from Wacker Neuson, this oil ring is manufactured to the same specifications as the original part installed at the factory. It is a direct replacement for worn or damaged oil rings across the GP4000 model family, confirming a correct fit without guesswork.
Key Features
- Genuine OEM Material Integrity — Produced to the same dimensional and material tolerances as the original, maintaining proper ring tension and seal consistency within the cylinder bore.
- Direct Drop-In Replacement — Engineered to the original ring profile, so it installs into the cylinder groove as the factory part does — no reshaping or fitting adjustments needed.
- GP4000 Series Compatibility — Confirmed fitment across multiple GP4000 Premium Portable Generator and Portable Generator variants, covering a broad range of this model family.
- Oil Consumption Control — A properly functioning oil ring prevents excess oil from entering the combustion chamber, keeping oil consumption in check and exhaust clean during generator operation.
- Engine Longevity — Replacing a worn oil ring restores correct cylinder wall lubrication and compression balance, protecting the engine from accelerated wear over extended run times.
An oil ring is one of the piston rings fitted into a groove near the base of the piston, and its primary job is to scrape excess oil from the cylinder wall and return it to the crankcase. This prevents oil from burning in the combustion chamber, which would otherwise cause increased oil consumption, fouled spark plugs, and blue exhaust smoke. When an oil ring wears out or loses tension, oil control breaks down and engine performance deteriorates — making timely replacement essential to keeping a generator running cleanly and efficiently.
Part Details
| Part Number | 5000214815 |
|---|---|
| Old Part Number | 0214815 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
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.