The Wacker Neuson is a genuine OEM Piston Pin designed for PT3Y 75mm/3-inch centrifugal trash pumps and the DPU 4045Y, DPU4045Yeh, DPU4045Yehzf, DPU40Yeh, and DPU45Yeh series reversible vibratory plate compactors. Sourced directly through Wacker Neuson's authorized parts program, this component is manufactured to the same specification as the original part installed at the factory. If your PT3Y pump or DPU-series compactor is showing signs of engine wear, excessive play in the piston assembly, or loss of compression, the Piston Pin is the correct replacement to restore proper engine function. Cross-reference your machine's model and machine number before ordering to confirm compatibility.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact bore and pin diameter tolerances, ensuring correct fit within the connecting rod and piston assembly without the risk of premature wear or misalignment.
- Direct Engine Rebuild Component — Designed as a drop-in replacement within the engine block; fits the piston and connecting rod interface as engineered for these Wacker Neuson powertrains.
- Broad DPU-Series Coverage — A single part number covers multiple DPU 4045Y and DPU4045Yeh variants including LRC, EU, US, and Yehzf configurations, as well as the DPU40Yeh and DPU45Yeh series.
- PT3Y Trash Pump Compatibility — Also fits PT3Y 75mm/3-inch centrifugal trash pump models, making this a shared engine component across two demanding equipment families.
- Compression and Power Restoration — A worn or damaged piston pin causes piston rock, increased blow-by, and loss of compression; replacing it with 5000150339 restores full engine output and smooth operation.
The piston pin — also known as a wrist pin — connects the piston to the small end of the connecting rod, forming the pivot point that transfers combustion force into rotational motion at the crankshaft. It must maintain a precise fit within both the piston bore and the rod bushing: too loose, and the pin knocks and accelerates wear on surrounding components; too tight, and it restricts the natural rocking motion that allows the assembly to function correctly. Over time, heat cycling and the mechanical stress of repeated combustion events can cause the pin to wear oval or develop surface scoring, leading to audible knocking, increased oil consumption, and eventual engine failure if left unaddressed.
Part Details
| Part Number | 5000150339 |
|---|---|
| Old Part Number | 0150339 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3Y | 5000007118, 5000007119 |
| vibration plate DPU 4045Y | DPU 4045Y | 5000610027 |
| DPU45Yeh US | DPU45Yeh US | 5100063121 |
| V.Plate DPU 4045Ye | DPU 4045YE | 5000610181 |
| DPU4045Yeh | DPU4045Yeh | 5100009662 |
| DPU4045Yeh LRC | DPU4045Yeh LRC | 5100063118 |
| DPU4045Yehzf LRC | DPU4045Yehzf LRC | 5100063120 |
| DPU40Yeh US | DPU40Yeh US | 5100063124 |
| DPU40Yeh EU | DPU40Yeh EU | 5100068379 |
| DPU45Yeh EU | DPU45Yeh EU | 5100068380 |
| Vibratory Plate DPU 4045Ye | DPU 4045Ye | 5000610350 |
| DPU4045YE | DPU4045Ye | 5100016954 |
| Vibrationsplatte | DPU4045Yehzf | 5100022113 |
| DPU4045Yeh EU | DPU4045Yeh EU | 5100063123 |
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.
