The Honda 12000-ZN1-419 Cylinder Assembly is a genuine OEM Cylinder Assembly designed for GX670 horizontal shaft engines. As a direct Honda OEM component, this assembly is manufactured to the exact specifications of the original part it replaces, ensuring a proper fit without adaptation. Verify your engine's serial number against the fitment table before ordering, as Honda supersedes cylinder components at serial breaks within the GX670 line.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this Cylinder Assembly meets the same design and dimensional standards as the part that came off the production line.
- Exact Dimensional Match — bore geometry, port locations, and deck surface are held to Honda's original tolerances, which matters for head gasket sealing and piston clearance on the GX670.
- GX670 Fitment — built specifically for GX670 horizontal shaft engines; confirm your serial number against the compatibility table to ensure this is the correct assembly for your unit.
- Restores Full Compression and Power — a cracked, scored, or worn cylinder is the root cause of compression loss, excessive oil consumption, and hard starting; replacing it with this assembly returns the engine to its original operating condition.
The cylinder is the structural and functional core of a four-stroke engine. It houses the piston as it travels through its compression and power strokes, forming the sealed combustion chamber that converts fuel energy into crankshaft rotation. The bore surface guides the piston rings, maintaining the tight seal necessary for full compression — when that surface becomes scored, worn oversize, or cracked, compression drops, oil migrates past the rings, and the engine loses power or fails to start reliably. Replacing a damaged cylinder assembly restores the correct bore geometry and brings the engine back to its designed output.
Part Details
| Part Number | 12000-ZN1-419 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX670 | 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.
