The Wacker Neuson Piston Ring Set (Standard) is a genuine OEM component designed for the GP3800A and GP3800 series portable generators. Sourced directly from Wacker Neuson, this standard-bore ring set is the factory-authorized replacement for machines including the GP3800A Portable Generator, GP3800A Premium Portable Generator, GP3800A Portable Generator with Wheel Kit, and the GP3800A Generator in both EPA and CSA configurations. When your generator is burning oil, losing compression, or due for a top-end rebuild, fitting the correct OEM ring set ensures the engine returns to proper operating condition without guesswork. Trust the part number — — to confirm you have the right set before you start the job.
Key Features
- OEM Compression Integrity — Genuine Wacker Neuson rings are manufactured to the exact bore tolerances required for a proper cylinder seal, maintaining designed compression pressure across the combustion cycle.
- Standard Bore Fitment — This is the standard (STD) size ring set, intended for engines with an unworn or freshly honed cylinder bore — drop-in replacement with no resizing required.
- Broad GP3800 Series Coverage — Fits multiple GP3800A and GP3800 configurations including Portable, Premium Portable, Wheel Kit variants, and both EPA and CSA emissions-certified models.
- Restored Engine Performance — Worn or broken piston rings cause oil consumption, blue exhaust smoke, and loss of power output; replacing them with this set restores the generator's rated power and fuel efficiency.
- Fuel System Protection — Properly seated rings prevent combustion gases from entering the crankcase, protecting the oil supply from blow-by contamination and extending the service life of the engine's lower end.
Piston rings form a dynamic seal between the piston and the cylinder wall, serving two critical roles: containing combustion pressure to drive the piston downward and preventing engine oil from entering the combustion chamber. A standard-size ring set like this one is used when the cylinder bore is within its original specification — either on a new engine or following a light hone. When piston rings wear, gap too wide, or break, compression drops noticeably, oil begins burning off in the combustion chamber, and the engine loses the ability to produce its rated output. Replacing the ring set at the first signs of wear keeps the engine operating at full capacity and prevents the accelerated wear that follows when a compromised seal goes unaddressed.
Part Details
| Part Number | 5000217423 |
|---|---|
| Old Part Number | 0217423 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set (Standard) |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484 |
| GP3800A Generator, EPA | GP3800 | 5000620974, 5000620975, 5000620976 |
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.