Multiquip 18381889800 Gasket Muffler G200/G300 HC-4357596

The Multiquip 18381889800 Gasket Muffler G200/G300 HC- is a genuine OEM muffler gasket designed for G-200 and G300 series generators. As a direct OEM replacement, this gasket is manufactured to the same specifications as the original component, ensuring a correct, leak-free seal at the muffler interface. This part is cross-referenced to HC- and fits both the G-200 and G300 generator models. Sourced directly through authorized Multiquip distribution, the part is the right part for a proper repair the first time.

Key Features

• OEM-Grade Exhaust Sealing — Manufactured to original material and compression specifications, delivering a tight, gas-tight seal at the muffler joint on G-200 and G300 generators.
• Direct-Fit Replacement — Matches the original gasket profile and bolt pattern exactly, dropping into place without trimming or alteration during reinstallation.
• Confirmed Fitment — Verified for G-200 and G300 series Multiquip generators; cross-references to HC-4357596 for additional part number confirmation.
• Prevents Exhaust Leak Damage — A failed muffler gasket allows hot exhaust gases to escape at the joint, which can cause carbon buildup, noise complaints, and accelerated corrosion of surrounding components.
• Exhaust System Safety — Maintaining a sealed muffler connection is essential to directing exhaust gases away from the operator and keeping carbon monoxide levels outside the machine housing in check.

A muffler gasket forms the sealing layer between the engine's exhaust port or exhaust manifold and the muffler body, preventing hot combustion gases from escaping at the joint. On generator equipment like the G-200 and G300, a properly sealed exhaust path is critical for both safe operation and consistent engine back-pressure. When this gasket deteriorates or burns through, operators typically notice increased exhaust noise, a smell of exhaust fumes near the unit, and over time, heat damage to nearby components — all signs that the gasket needs immediate replacement.

For fitment questions or to confirm this part is correct for your specific unit, contact the DHS Equipment team directly.

Part Details

Compatibility & Fitment

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.