The Wacker Neuson Muffler is a genuine OEM component designed for the G320 portable generator series. This is a direct OEM replacement sourced from Wacker Neuson, ensuring it meets the same specifications as the original part fitted at the factory. It is compatible across the full G320 family, covering Standard, Cold Weather, Custom, and Mobile configurations in Tier 4 and Tier 4 Final emissions ratings, including Transport Canada and Hertz variants. If your G320 generator is running louder than normal or showing signs of exhaust leakage, the Muffler is the correct verified replacement to restore proper operation.
Key Features
- Genuine OEM Exhaust Spec: — Manufactured to Wacker Neuson's exact exhaust back-pressure and heat-dissipation requirements for the G320 engine, not a generic approximation.
- Drop-In Fitment: — Mounts directly to the G320 exhaust outlet using the original hardware and connection points, with no cutting or adapting required.
- Broad G320 Coverage: — Confirmed fit across Standard, Cold Weather, Custom, Mobile, Transport Canada, and Hertz variants of the G320 generator in Tier 4 and Tier 4 Final configurations.
- Exhaust Integrity Restored: — A failed or cracked muffler allows hot exhaust gases to escape unchecked, reducing generator efficiency and creating a burn hazard around the unit. This replacement restores a properly sealed exhaust path.
- Emissions Compliance: — Correct muffler geometry is part of the certified exhaust system on Tier 4 Final engines. Using the OEM part keeps the G320 operating within its certified emissions profile.
The muffler is a critical component of the generator's exhaust system. Its job is to reduce engine noise to an acceptable operating level while safely channeling hot combustion gases away from the machine and the surrounding work area. On Tier 4 Final engines like those fitted to the G320, the muffler is also engineered as part of a calibrated exhaust flow system — incorrect back-pressure caused by a damaged or wrong-spec muffler can affect engine performance and emissions output. A muffler that is cracked, corroded, or has blown gasket surfaces will typically present as increased exhaust noise, visible soot deposits near the exhaust port, or irregular engine behavior under load.
Part Details
| Part Number | 5200025147 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G320 Generator, Standard, T4 | G320 | 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5100018533, 5100049848, 5100049849, 5200010261 |
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.
