The Wacker Neuson Piston Ring Set is a genuine OEM piston ring set designed for the GS10003G generator. Sourced directly from Wacker Neuson, this set meets the exact dimensional and material specifications of the original rings — so you get the same fit and function as the rings that left the factory. If your GS10003G is burning oil, losing compression, or due for a top-end service, this is the correct replacement set to reach for.
Key Features
- OEM-Matched Ring Profile — Each ring in the set is manufactured to the exact bore diameter, width, and tension spec of the original, ensuring correct sealing pressure against the cylinder wall.
- Direct Drop-In Replacement — Engineered to install into the existing piston grooves without modification, maintaining the correct end-gap and stack height for proper operation.
- Confirmed Fitment for the GS10003G — This set is verified for the Wacker Neuson GS10003G generator, so you can order with confidence and avoid costly returns.
- Restores Compression and Engine Efficiency — Fresh rings restore the combustion seal that worn rings can no longer maintain, bringing power output and fuel efficiency back to spec.
- Fuel System Integrity — Properly seated rings prevent combustion gases from bypassing into the crankcase, protecting the oil supply and extending the service life of internal engine components.
Piston rings form the dynamic seal between the piston and the cylinder wall, controlling combustion pressure and regulating oil consumption within the engine. When rings wear, lose tension, or break, the combustion seal degrades — leading to lost compression, increased oil burn, excessive blowby, and a noticeable drop in power output. Replacing worn rings with a correct-spec set like the Wacker Neuson 5000408900 restores that seal, returning the engine to its intended operating condition and preventing further damage to the cylinder bore and bearings.
Part Details
| Part Number | 5000408900 |
|---|---|
| Old Part Number | 0408900 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GS10003G | GS10003G (No-CE) | 5100079458 |
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.
