The Wacker Neuson Piston Ring Set (0.75) is a genuine OEM component designed for the GP3800A and GP3800 series portable generators. As a factory-sourced part, it is manufactured to the same specifications as the original, ensuring a correct fit within the engine cylinder bore. This ring set is confirmed compatible across multiple GP3800A and GP3800 configurations, including standard, premium, EPA-compliant, CSA-certified, and wheel kit variants.
Key Features
- OEM Ring Geometry and Tension: — Manufactured to exact bore tolerances for the GP3800A and GP3800 engines, delivering the correct radial pressure and sealing performance a genuine ring set requires.
- 0.75mm Oversize Specification: — Sized for re-bored cylinders at the 0.75mm oversize, making this a direct drop-in during engine overhaul with no guesswork on sizing.
- Broad GP3800 Series Coverage: — Fits standard, premium, EPA, CSA, and wheel kit variants of the GP3800A and GP3800 generator lineup in a single part number.
- Restored Compression and Oil Control: — Worn or broken piston rings cause compression loss, increased oil consumption, and rough engine output; a fresh set restores engine efficiency and stable generator power delivery.
- Fuel System Compliance: — Correct ring seal is essential to maintaining proper combustion and emissions compliance on EPA- and CSA-rated GP3800 units.
Piston rings seal the gap between the piston and the cylinder wall, maintaining compression pressure in the combustion chamber and preventing engine oil from entering the combustion area. They work in a set — typically a compression ring, a secondary compression ring, and an oil control ring — each performing a specific role in keeping combustion gases above the piston and oil below it. When rings wear, crack, or lose tension, you'll see symptoms like declining power output, excessive oil use, blue exhaust smoke, and hard starting. Replacing them with a correctly sized, genuine set restores the engine's ability to generate consistent, clean electrical output.
Part Details
| Part Number | 5000217432 |
|---|---|
| Old Part Number | 0217432 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set (0.75) |
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.
