The Wacker Neuson is a genuine OEM Back Muffler Guard Gen Med designed for the GP3800 and GP3800A series portable generators. As a direct OEM replacement, part is manufactured to the same specifications as the original component that left the factory, ensuring a proper fit across the full range of GP3800 and GP3800A configurations — including standard, premium, wheel kit, EPA, and CSA variants. Sourcing a genuine Wacker Neuson part means you get the exact geometry and material grade required for this application, with no guesswork on compatibility.
Key Features
- Genuine OEM Heat-Resistant Construction — Manufactured to withstand the radiant and exhaust heat output of the GP3800-series engine, matching the material grade of the original guard.
- Drop-In Replacement — Mounts to the existing attachment points on the GP3800 and GP3800A generator frame using the original hardware, with no fabrication or modification needed.
- Broad GP3800 Series Coverage — Confirmed fitment across GP3800 and GP3800A models including standard portable, premium, wheel kit, EPA-compliant, and CSA-certified configurations.
- Protects Surrounding Components — A correctly fitted muffler guard shields the generator housing, fuel lines, and adjacent wiring from exhaust heat, helping prevent heat-related degradation over time.
- Burn and Contact Hazard Mitigation — The muffler guard acts as a physical barrier between the hot exhaust system and operators or bystanders, an important safety consideration during and after operation.
The muffler guard is a protective shield mounted at the rear of the generator's exhaust system. Its primary role is to contain and deflect heat generated by the muffler, preventing direct contact with surrounding components such as fuel lines, wiring, and the generator housing. It also serves as a physical barrier to protect operators from accidental burns during and immediately after use. When the guard is cracked, missing, or damaged, the muffler is left exposed, increasing the risk of heat damage to nearby parts and creating a contact burn hazard for anyone working around the machine.
Part Details
| Part Number | 5000164939 |
|---|---|
| Old Part Number | 0164939 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Back Muffler Guard Gen Med |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010 |
| GP3800A Generator, EPA w/Wheel Kit | GP3800 | 5000620976, 5000620974, 5000620975, 5100031174 |
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.
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