The Wacker Neuson Piston is a genuine OEM Piston designed for the GDS5500G generator series. Sourced directly from Wacker Neuson, this is the same part installed at the factory, ensuring an exact match for your machine. It is confirmed to fit the GDS5500G (No-CE) and GDS5500G LA variants, so you can order with confidence knowing this is the correct component for your unit. Having the right piston on hand keeps your generator rebuild or repair on track without second-guessing compatibility.
Key Features
- OEM Dimensional Accuracy — Manufactured to Wacker Neuson's original bore tolerances, ensuring correct compression fit and proper ring seal within the cylinder.
- Drop-In Replacement — Engineered to install in the same position and orientation as the original, working with your existing cylinder, rings, and connecting rod without modification.
- Confirmed GDS5500G Fitment — Verified for the GDS5500G (No-CE) and GDS5500G LA generator models, covering both standard and long-arm configurations.
- Restored Compression and Power Output — A worn or damaged piston causes loss of compression, hard starting, and reduced power; replacing it with a correctly sized OEM piston restores full engine output.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM component under part number 5100084412, backed by Wacker Neuson's parts program.
The piston is the engine's primary moving component, traveling up and down within the cylinder bore to compress the fuel-air mixture and transfer combustion force to the crankshaft via the connecting rod. It works in tight coordination with the piston rings and cylinder wall to maintain compression and control oil consumption. When a piston wears, cracks, or seizes, the engine loses compression, runs poorly, or stops altogether — making prompt replacement critical to restoring reliable generator operation.
Part Details
| Part Number | 5100084412 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GDS5500G | GDS5500G (No-CE) | 5100079460 |
| GDS5500G | GDS5500G LA | 5100079461 |
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.
