The Honda 14721-ZG5-000 Exhaust Valve is a genuine OEM Exhaust Valve designed for EB12 generators and H6522 compact tractors. As a direct Honda OEM component, this part is manufactured to the same specification as the valve installed at the factory, ensuring proper sealing and combustion integrity in the engines powering these machines. Confirm your unit's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and more than one valve specification may share a model listing.
Key Features
- OEM Sealing Integrity — as a genuine Honda exhaust valve, this part delivers the precise head geometry and stem dimensions required for consistent combustion chamber sealing, preventing compression loss and exhaust blowback.
- Direct OEM Replacement — engineered to drop into the valvetrain of the affected engines without alteration, maintaining correct valve timing and lift as Honda intended.
- Broad Fitment Coverage — suits EB12 generators and H6522 compact tractors; always match your serial number to the fitment table to confirm the correct valve for your specific unit.
- Engine Performance Restored — a worn or burnt exhaust valve allows combustion gases to escape past the valve seat, causing power loss, rough running, and increased fuel consumption; replacing it with part number 14721-ZG5-000 restores proper cylinder pressure and smooth operation.
The exhaust valve is the component that opens to release burnt combustion gases from the cylinder after each power stroke, then closes tightly to seal the chamber for the next compression and ignition cycle. A properly functioning exhaust valve forms an airtight seal against its seat, maintaining the compression the engine needs to start reliably and run at full power. When the valve face or seat wears, burns, or loses its seating contact, compression drops, the engine loses power, may idle erratically, and in severe cases will fail to start — making timely valve replacement essential to restoring the engine to working condition.
Part Details
| Part Number | 14721-ZG5-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Compact Tractor | H6522 | All |
| Generator | EB12 | 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.
