The Wacker Neuson Screw Plug is a genuine OEM component designed for MDP3 series diaphragm trash pumps and PT3c series pumps. As a factory-sourced part, it meets the exact material and dimensional standards set by Wacker Neuson, ensuring a correct, trouble-free installation every time. This screw plug is confirmed to fit multiple MDP3 and PT3c configurations, making it a reliable choice whether you're servicing a pump on a commercial site or in a rental fleet. Keep part number on hand for routine maintenance and fast turnaround when service is due.
Key Features
- OEM-Matched Thread and Material Spec — Manufactured to the exact thread profile and material grade specified by Wacker Neuson, so the plug seats and seals correctly without risk of cross-threading or premature wear.
- Drop-In Installation — Replaces the original plug directly with no rework or adaptation needed at the port; installs using standard hand tools just like the factory unit.
- Broad MDP3 and PT3c Compatibility — Fits MDP3, MDP3X, MDP3-CE, MDP3-CN, PT3G-c CE, and PT3G-c CN pump models, covering a wide range of 75mm/3-inch diaphragm and water pump configurations.
- Leak-Free Port Sealing — A properly functioning screw plug maintains fluid containment at service and drain ports; a damaged or missing plug can lead to fluid loss, contamination ingress, and pump damage.
- Fuel and Fluid System Integrity — Correct sealing at plug ports is essential to maintaining system pressure and preventing hazardous fluid leaks during pump operation.
A screw plug seals an access or drain port on the pump housing, keeping fluids contained and preventing contamination from entering the system. On diaphragm and water pumps like the MDP3 and PT3c series, these ports are used during service intervals for fluid changes or inspections. If the plug is cracked, stripped, or missing, it can allow fluid to escape or debris to enter, leading to pump inefficiency, internal wear, or outright failure — making timely replacement with the correct OEM part essential.
Part Details
| Part Number | 5100061655 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| MDP3 | MDP3-CE | 5100056324 |
| 75mm/3in Diaphragm Trash Pumps | MDP3X | 5000630420 |
| Water Pump | MDP3-CN | 5000630438 |
| PT3c | PT3G-c CE | 5100079343 |
| PT3c | PT3G-c CN | 5100079600 |
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.
