The Wacker Neuson Muffler Complete is a genuine OEM component designed for the GPSi4300 portable inverter generator series. Sourced directly from Wacker Neuson, this is the exact part installed at the factory — no guesswork on fit, finish, or compatibility. As a genuine OEM assembly, the meets all original design specifications for the GPSi4300, making it the straightforward choice for service technicians and equipment owners looking to restore proper operation. Verify your model number against the fitment data before ordering to confirm this is the correct muffler for your machine.
Key Features
- OEM Exhaust Integrity — Manufactured to the original exhaust flow and backpressure specifications that Wacker Neuson engineered into the GPSi4300, preserving engine efficiency and output.
- Complete Assembly — Supplied as a fully assembled muffler unit, so installation is straightforward with no need to source sub-components separately.
- Direct-Fit for GPSi4300 Generators — Confirmed fitment for the GPSi4300 portable inverter generator series; mounting points and connections align with the original hardware.
- Protects Engine Performance — A functioning muffler maintains correct exhaust scavenging; a cracked or failed unit can cause rough running, power loss, and excessive noise.
- Emissions and Noise Compliance — Genuine OEM construction ensures the exhaust system continues to meet the noise attenuation and emissions standards the GPSi4300 was certified to at the time of manufacture.
The muffler on a portable inverter generator does more than silence exhaust noise — it manages the flow and back-pressure of exhaust gases leaving the engine, which directly affects combustion efficiency and power output. A correctly functioning muffler keeps the engine running smoothly and at the sound levels expected for a inverter-class generator. When a muffler cracks, corrodes, or loses its internal baffling, operators typically notice increased exhaust noise, a drop in performance, and in some cases exhaust gases venting in unintended directions — all of which signal that the assembly needs to be replaced promptly.
Part Details
| Part Number | 5000226342 |
|---|---|
| Old Part Number | 0226342 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
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.
