The Honda 18293-MCA-780 Protector Gasket is a genuine OEM component designed for GX610 and GX620 horizontal shaft engines, as well as HS521 and HS621 single-stage snow blowers. As a factory-original part, it delivers the exact material grade and dimensional tolerances Honda specifies for a proper seal. Confirm your model and serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks across these platforms.
Key Features
- Genuine OEM Sealing Integrity — factory-original construction ensures the gasket conforms precisely to the mating surfaces it seals, holding up under the heat cycles this protector application demands.
- Broad Platform Coverage — a single genuine part covers GX610 and GX620 horizontal shaft engines as well as HS521 and HS621 single-stage snow blowers; confirm your serial number against the fitment table to select the correct configuration for your unit.
- Direct OEM Replacement — sourced directly from Honda, part number 18293-MCA-780 installs without modification, restoring the original assembly to Honda specification.
A protector gasket seals the joint between the exhaust pipe protector and its mating surface on the engine or equipment, preventing hot exhaust gases from escaping at the connection point. Without a sound gasket at this interface, exhaust leaks can develop, reducing back-pressure consistency and exposing nearby components to heat they are not designed to handle. Replacing a damaged or compressed gasket restores a tight, leak-free seal and keeps the exhaust system performing as Honda intended.
Part Details
| Part Number | 18293-MCA-780 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Protector Gasket |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX610, GX620 | All |
| Single-Stage Snow Blower | HS521, HS621 | All |
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.