The Wacker Neuson Piston.50 is a genuine OEM component designed for the GP5600A and GPS5600A series portable generators. As a direct OEM part sourced through authorized Wacker Neuson supply channels, it is manufactured to the exact tolerances required for proper fit and function in these engines. This piston is confirmed compatible across multiple GP5600A and GPS5600A configurations, including standard, CARB GFI, CAN GFI, electric start, and wheel kit variants. When you need a dependable like-for-like replacement, the delivers the correct specification every time.
Key Features
- OEM-Matched Bore Tolerance — Manufactured to the exact oversize specification (.50) required for proper cylinder wall contact and compression integrity in GP5600A and GPS5600A engines.
- Direct Drop-In Replacement — Engineered to install into the existing cylinder bore without machining or modification, using the same wrist pin dimensions and ring groove geometry as the original.
- Broad GP5600A / GPS5600A Fitment — Compatible with standard, CARB GFI, CAN GFI, electric start, and wheel kit variants across both the GP5600A and GPS5600A model families.
- Restores Full Compression — A worn or damaged piston causes loss of compression, hard starting, and reduced power output; replacing it with the correct OEM part brings engine performance back to specification.
- Genuine Wacker Neuson OEM Part — Supplied as an authorized OEM component, carrying the same part number (5000217437) referenced in Wacker Neuson service documentation for accurate identification.
The piston is the reciprocating component inside the engine cylinder that converts the force of combustion into mechanical motion. It travels up and down within the cylinder bore, compressing the air-fuel mixture on the upstroke and transmitting the energy released during ignition down through the connecting rod to the crankshaft. When a piston wears, cracks, or sustains damage — whether from overheating, detonation, or extended use — compression drops, oil consumption rises, and the engine loses power or fails to start reliably. Replacing a worn piston with the correct oversize part restores the tight cylinder seal needed for efficient, consistent engine operation.
Part Details
| Part Number | 5000217437 |
|---|---|
| Old Part Number | 0217437 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston .50 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS5600A,CAN GFI | GPS5600A | 5000620096, 5000620383, 5000620328, 5000620981 |
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620326, 5000620327, 5000620381, 5000620382 |
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.