The Wacker Neuson Muffler is a genuine OEM Muffler designed for the MDP3, MDP3X, and PT3G-c series diaphragm and trash pumps. As a factory-sourced component, it meets the exact material and dimensional standards set for these machines, ensuring a correct, hassle-free installation. This Muffler is confirmed to fit the MDP3, MDP3X, PT3G-c, and associated water pump configurations covered under the part number. Keeping the correct exhaust component in place protects engine performance and helps these pumps run at their rated output on the job.
Key Features
- OEM Exhaust Specification: — Manufactured to Wacker Neuson's precise exhaust bore dimensions and backpressure tolerances, so combustion efficiency is not compromised the way an ill-fitting substitute can cause.
- Drop-In Exhaust Port Alignment: — Mounting flanges and port geometry match the original exactly, allowing direct bolt-on installation without rework or adapter hardware.
- Broad Pump Series Coverage: — A single part number covers MDP3, MDP3X, and PT3G-c series pumps, making it a practical stock item for fleets running multiple Wacker Neuson pump models.
- Sustained Engine Output: — A correctly sealed, undamaged muffler maintains proper exhaust scavenging, supporting full rated pump flow and protecting against power loss caused by exhaust leaks or restrictions.
- Emissions and Noise Compliance: — The OEM muffler preserves the engine's certified noise attenuation and emissions characteristics — important for worksites with environmental or noise-level requirements.
The muffler channels hot exhaust gases away from the engine and reduces the noise produced by combustion. It plays a direct role in maintaining correct exhaust backpressure — too much restriction or a cracked housing can rob the engine of power and increase operating temperatures. A failed or leaking muffler also creates a burn and fire hazard near fuel lines and the operator, making timely replacement an important part of routine pump maintenance.
Part Details
| Part Number | 5000409398 |
|---|---|
| Old Part Number | 0409398 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler |
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.
