The Multiquip 18325ZB4000 is a genuine OEM Muffler Protector designed for GA-series gasoline powered generators and GAW-series arc welders. As a direct OEM replacement, this part is sourced from Multiquip's authorized supply chain to ensure it meets the original design specifications for your equipment. It is confirmed compatible with a wide range of GA and GAW models including GA3.6HA, GA3.6HZ, GA3.6HR, GAC3.6HR, GA6HB, GA6HEB, GA6HR, GAC6HR, GAC6HRS, and GAW180HE series units. When your muffler protector is cracked, heat-damaged, or missing, replacing it promptly with part 18325ZB4000 keeps your equipment operating safely and in compliance with its original configuration.
Key Features
- Genuine OEM Heat Tolerance — Manufactured to withstand the sustained exhaust temperatures produced by Honda-powered GA and GAW series equipment, not just initial heat exposure.
- Direct Drop-In Replacement — Mounts to the factory muffler position with original hardware retention points, requiring no alteration to surrounding components.
- Broad GA and GAW Series Coverage — Fits GA3.6HA, GA3.6HZ, GA3.6HR, GAC3.6HR, GA6HB, GA6HEB, GA6HR, GAC6HR, GAC6HRS, GAW180HE, GAW180HEA, and GAW180HE1 models.
- Burn and Contact Protection — Shields operators and surrounding materials from direct contact with a hot exhaust muffler during and after operation.
- Burn Hazard Mitigation — A missing or damaged muffler protector exposes personnel to accidental contact with extreme exhaust heat — replacing it restores the original safety barrier built into the machine's design.
The muffler protector is a heat shield fitted over the exhaust muffler of a gasoline engine. Its primary role is to create a barrier between the extremely hot muffler surface and anything that might come into contact with it — including operator hands, fuel lines, nearby materials, or ground vegetation. On generators and welder-generators like the GA and GAW series, the engine runs for extended periods under load, meaning the muffler reaches and holds high temperatures throughout operation. When the protector is cracked, warped, or absent, the risk of accidental burns or ignition of nearby combustibles increases significantly. Replacing a worn protector with the correct OEM part, such as the 18325ZB4000, restores the protective function the machine was built with.
Need help confirming this is the right part for your unit? Contact the DHS Equipment parts team with your model and serial number for verification before ordering.
Part Details
| Part Number | 18325ZB4000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Muffler Protector |
Compatibility & Fitment
| Name | Model |
|---|---|
| Gasoline Powered Generators | GA6HB |
| Gasoline Powered Generators | GA6HEB |
| Gasoline Powered Generators | GA3.6HZ |
| Gasoline Powered Generators | GA3.6HA |
| Gasoline Powered Generators | GA6HR/GA6HRS/GA6HRSNC2 |
| Gasoline Powered Generators | GA3.6HR |
| Gasoline Powered Generators | GAC3.6HR |
| Gasoline Powered Generators | GAC6HR |
| Gasoline Powered Generators | GAC6HRS |
| Welders | GAW180HE |
| Welders | GAW180HEA |
| Welders | GAW180HE1 |
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.