The Wacker Neuson Seal Ring is a genuine OEM component designed for MDP3, MDP3X, and PT3G-c series diaphragm and trash pumps. As a factory-sourced part, is manufactured to the exact material and dimensional standards required by Wacker Neuson, ensuring a correct, leak-free installation every time. This Seal Ring is confirmed to fit the MDP3-CE, MDP3X, MDP3-CN, PT3G-c CE, and PT3G-c CN pump models. When your pump shows signs of fluid weeping, loss of prime, or reduced output, replacing the Seal Ring with the correct OEM part is the reliable path back to full working condition.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's specified compound and compression rating, delivering the fluid-tight seal these pumps require under continuous pressure cycling.
- Drop-In Installation — Engineered to match the original bore diameter and seating profile, so the ring seats properly without trimming, shimming, or adjustment.
- Broad Pump Family Coverage — A single part number covers MDP3-CE, MDP3X, MDP3-CN, PT3G-c CE, and PT3G-c CN models, making it the correct choice across Wacker Neuson's 75 mm/3-inch diaphragm and trash pump lineup.
- Preserves Pump Prime and Output — A sound Seal Ring keeps internal pressure from bypassing the diaphragm chamber, maintaining full flow rate and consistent priming performance on the jobsite.
- Fluid Containment Integrity — A worn or degraded seal ring allows pumped fluid to migrate past the diaphragm assembly, which can contaminate internal components and accelerate wear throughout the pump — making timely replacement critical.
A seal ring forms a pressure-tight barrier between mating pump components, preventing fluid from bypassing the intended flow path through the pump body. In a diaphragm or trash pump, this ring works in constant contact with moving and stationary surfaces, so even minor wear or deformation leads to internal leakage, loss of prime, and a measurable drop in pumping output. Replacing a degraded seal ring with the correct OEM part restores the pump's ability to move water efficiently and prevents secondary damage to surrounding components.
Part Details
| Part Number | 5100061608 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Ring |
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.