The Wacker Neuson Piston is a genuine OEM component designed for the PT2A and PT2A Pump series trash pumps. As a direct OEM replacement, it is manufactured to the same specifications as the original, ensuring a drop-in fit within the pump cylinder without guesswork. This piston is confirmed to fit multiple PT2A configurations, making it the reliable choice when rebuilding or overhauling these pumps. Keeping an accurate part number like on hand speeds up ordering and gets your equipment back in service fast.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the exact bore and profile tolerances of the original piston, ensuring correct compression and seal contact within the pump cylinder.
- Direct Cylinder Replacement — Designed to seat and orient identically to the factory piston, allowing straightforward installation without machining or shimming.
- Confirmed PT2A Fitment — Compatible with PT2A and PT2A Pump configurations, covering multiple build variants within the PT2A series.
- Restored Pump Output — A worn or damaged piston causes loss of prime, reduced flow, and poor discharge pressure; replacing it with a correctly spec'd OEM part restores full pumping capacity.
- Fuel System Integrity — As a genuine Wacker Neuson part, the 5100029332 Piston meets the pressure and material requirements of the original design, supporting consistent, dependable operation under working load.
The piston is a core reciprocating component inside the pump assembly, responsible for generating the pressure and flow that moves water or slurry through the discharge line. It works in close contact with the cylinder bore and sealing rings, so correct fit and surface condition are critical — even minor wear or dimensional deviation causes a drop in prime retention and pumping efficiency. When a piston degrades, operators typically see reduced flow rates, difficulty priming, or complete loss of discharge pressure, all of which signal that replacement is needed to restore the pump to working condition.
Part Details
| Part Number | 5100029332 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2A | PT2A | 5000009095, 5000009237, 5000009092 |
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.
