The Honda 18321-ZG3-003 Muffler Protector A is a genuine OEM component built for GD320 and GD410 horizontal shaft diesel engines. Sourced directly from Honda, this part carries the exact fit and finish Honda specifies for these engines. It is designed as a direct replacement for the original protector, ensuring correct positioning and secure attachment on the GD-series diesel platform. Always confirm your engine's serial number against the fitment table before ordering, as Honda occasionally updates part numbers at serial breaks.
Key Features
- Genuine Honda OEM — manufactured to Honda's own specification for the GD320 and GD410 diesel engines, delivering the same fit and coverage as the original part.
- Diesel Engine Application — engineered specifically for Honda's GD-series horizontal shaft diesel engines; not interchangeable with petrol-engine variants.
- Serial Number Verification Recommended — Honda updates components at production serial breaks, so matching your engine's serial number to the fitment table ensures you receive the correct protector for your unit.
- Heat Management — the muffler protector shields adjacent components and operators from the high surface temperatures a diesel muffler generates during and after operation, keeping the exhaust system properly guarded.
The Muffler Protector A is a heat shield fitted over or around the muffler on the GD320 and GD410 horizontal shaft diesel engines. The muffler on a diesel engine reaches significant surface temperatures during operation, and this protector guards nearby components — and anyone working close to the engine — from direct contact with that heat. When the protector becomes cracked, corroded, or missing, the muffler is left exposed and surrounding parts are at risk of heat damage; replacing it restores the protection Honda built into the original exhaust system design.
Part Details
| Part Number | 18321-ZG3-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler Protector A |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Diesel Engine | GD320, GD410 | 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.
