The Honda 12210-Z2E-425 Cylinder Head is a genuine OEM component designed for GX440 horizontal shaft engines. Sourced directly from Honda, this cylinder head is manufactured to the exact specifications of the original, ensuring a direct replacement that restores proper combustion chamber geometry, compression, and valve seating. If your GX440 engine has suffered a cracked or warped head — often the result of overheating or a blown head gasket left unaddressed — this is the correct OEM replacement to bring it back to full working condition. Confirm your engine's serial number against the fitment table before ordering, as Honda may supersede part numbers across production runs.
Key Features
- Genuine OEM Combustion Integrity — manufactured by Honda to maintain the correct combustion chamber volume, compression ratio, and valve seat geometry specific to the GX440 engine, unlike generic alternatives that may compromise these tolerances.
- Direct OEM Replacement — engineered to install in place of the original using existing hardware and gaskets, with valve passages and port dimensions matched to the GX440's design.
- GX440 Fitment — designed specifically for GX440 horizontal shaft engines; verify your serial number against the compatibility table to confirm the correct application for your unit.
- Compression Restoration — a failed or damaged cylinder head causes loss of compression, hard starting, and poor power output; replacing it with this genuine part restores the sealed combustion environment the engine depends on to run correctly.
The cylinder head forms the top of the combustion chamber, sealing the bore and housing the intake and exhaust valves that control airflow in and out of the engine. It works in conjunction with the head gasket and cylinder block to maintain the compression pressure needed for combustion. When a cylinder head cracks, warps from heat, or develops damaged valve seats, the engine loses compression, burns oil, misfires, or fails to start — problems that cannot be resolved by tuning alone and require replacing the head itself.
Part Details
| Part Number | 12210-Z2E-425 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Head |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX440 | 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.
