The Wacker Neuson Muffler Complete is a genuine OEM exhaust component designed for a broad range of Wacker Neuson gasoline-powered equipment, including CT36 and CT48 walk-behind concrete power trowels, PT3A centrifugal trash pumps, BPU 3050A, BPU 3750Ats, and BPU 4045A reversible vibratory plate compactors, and BFS 914A and BFS 940A gasoline floor saws. Sourced directly from Wacker Neuson, part number is built to the same specification as the unit installed at the factory, ensuring a correct drop-in fit with no fabrication or adaptation. This muffler complete ships as a ready-to-install assembly, covering all the hardware needed to restore proper exhaust function across every compatible model. Confirm your model number against the fitment list before ordering to ensure this is the right part for your machine.
Key Features
- OEM Exhaust Specification — Manufactured to Wacker Neuson's original exhaust backpressure and heat-tolerance spec, so combustion efficiency and engine output are maintained exactly as engineered.
- Complete Assembly — Supplied as a fully assembled muffler unit, ready to bolt on without sourcing additional sub-components or hardware.
- Broad Cross-Family Fitment — A single part number covers CT36 and CT48 concrete trowels, PT3A trash pumps, BPU 3050A/3750Ats/4045A reversible plate compactors, and BFS 914A/940A floor saws — reducing stocking complexity on mixed fleets.
- Restored Noise and Heat Management — A cracked or deteriorated muffler increases exhaust noise, raises surface temperatures near the engine, and can cause the unit to run rough; replacing with a fresh OEM unit brings all three back into compliance.
- Exhaust System Safety — A compromised muffler can direct hot exhaust gases and sparks toward operators, fuel lines, or combustible material on site; installing a genuine replacement restores the designed exhaust routing and heat shielding.
The muffler complete is the final stage of the engine's exhaust system. It receives hot combustion gases exiting the cylinder, reduces their velocity and pressure, and directs them safely away from the engine and operator while dampening exhaust noise to a manageable level. When a muffler cracks, corrodes, or the internal baffles collapse, backpressure drops, the engine loses power and runs roughly, exhaust noise rises sharply, and hot gases can escape in unintended directions — creating both a performance and a safety concern. Replacing a worn muffler with a correct OEM unit like the Wacker Neuson 5100000403 restores all three functions: proper backpressure, safe exhaust routing, and noise attenuation.
Part Details
| Part Number | 5100000403 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-8A | CT48-8A EU | 5000620837 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5100042216 |
| BPU 3050A | BPU 3050A | 5000008763 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| BPU 3750Ats | BPU 3750Ats | 5000610408 |
| BPU3750Ats | BPU 3750Ats US | 5000610423 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327, 5100004004 |
| Vibratory plate BPU 4045A | BPU 4045A | 5000610345 |
| BPU4045A-VIBROPLATE | BPU 4045A US | 5000610403, 5100009663 |
| Floor Saw | BFS 914A | 5100004002 |
| Floor saw BFS940 | BFS 940 | 5100009934 |
| BFS940 | BFS940 | 5100029229 |
| Vibration Plate | BPU3050A CN | 5100039661 |
| PT3A(I) | PT3A(I) | 5100042614 |
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.
