The Wacker Neuson is a genuine OEM Piston Ring Set 0.25 designed for the GP5600A, GPS5600A, and GV5600A series portable generators. As a direct Wacker Neuson OEM part, the is manufactured to the exact dimensions and material grades specified for these engines, ensuring a proper seal between the piston and cylinder bore. This 0.25mm oversize set is intended for engines that have been bored to the corresponding oversize specification during a rebuild. Compatible across the full range of GP5600A, GPS5600A, and GV5600A variants — including standard, wheel kit, electric start, CARB GFI, and CAN GFI configurations — this set covers the broadest range of 5600A-series generator applications.
Key Features
- Oversize Rebuild Specification: — Sized at 0.25mm oversize to match a freshly bored cylinder, restoring the correct piston-to-wall clearance for a proper compression seal.
- Genuine OEM Material Grade: — Manufactured from OEM-specified ring material for the correct tension, hardness, and oil control properties required by the 5600A engine family.
- Broad 5600A-Series Coverage: — Fits GP5600A, GPS5600A, and GV5600A generators across standard, wheel kit, electric start, CARB GFI, and CAN GFI variants.
- Compression and Oil Control Restored: — A worn or broken ring set causes blow-by, oil consumption, and loss of power output; replacing with the correct oversize set brings compression back to spec and stops oil from burning past the rings.
- Drop-In Engine Rebuild Component: — Engineered to install using standard ring-compressor tooling with no custom fitting or additional machining beyond the matching 0.25mm bore.
Piston rings form the dynamic seal between the piston and the cylinder wall, serving three critical roles: holding combustion pressure above the piston to drive the power stroke, scraping excess oil back down the cylinder wall to prevent burning, and transferring heat from the piston into the cooled cylinder bore. In a portable generator engine like the GP5600A or GPS5600A, worn or broken rings allow combustion gases to leak past the piston — a condition called blow-by — which robs the engine of power, increases oil consumption, and can lead to fouled spark plugs and hard starting. Replacing the ring set with the correctly sized oversize set during an engine rebuild restores the sealing surfaces and returns the engine to full output capacity.
Part Details
| Part Number | 5000162620 |
|---|---|
| Old Part Number | 0162620 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set 0.25 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS5600A,CAN GFI | GPS5600A | 5000620096, 5000620383, 5000620328, 5000620044, 5000620093, 5000620013, 5000620981 |
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620042, 5000620043, 5000620091, 5000620092, 5000620011, 5000620012, 5000620381, 5000620382 |
| Value Generator | GV5600A | 5000620410, 5000620288, 5000620335 |
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.
