The Honda 12000-ZJ1-416 Cylinder Assembly is a genuine OEM component designed for GX610 and GX620 horizontal shaft engines and the EB11000 generator. As a direct Honda replacement, this assembly meets the same specifications as the original part it replaces, ensuring a correct fit without guesswork. Verify your machine's serial number against the fitment table before ordering, as Honda supersedes cylinder assemblies at production breaks and more than one configuration may apply to your model.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this assembly matches the original casting specifications for part number 12000-ZJ1-416, with no adaptation required to install it in place of the outgoing part.
- Bore Integrity — the cylinder bore is the surface against which piston rings seal; a cracked, scored, or worn cylinder causes compression loss, oil consumption, and hard starting that no ring or gasket repair can fix.
- Confirmed Fitment — designed for GX610 and GX620 horizontal shaft engines and the EB11000 generator; check your serial number against the fitment table to confirm the correct configuration for your unit.
- Serial Number Matters — Honda revises cylinder assemblies at serial breaks, so matching your machine's serial number to the fitment table is the critical step before completing your order.
The cylinder assembly is the structural core of the engine. It forms the bore in which the piston travels, houses the cooling fins that manage operating temperature, and provides the mounting foundation for the cylinder head above and the crankcase below. When a cylinder is damaged by scoring, a seizure, or a crack — whether from overheating, lubrication failure, or impact — compression drops sharply, power output falls, and the engine cannot run reliably. Replacing the cylinder assembly restores the fundamental geometry the entire engine depends on to generate power.
Part Details
| Part Number | 12000-ZJ1-416 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB11000 | All |
| Horizontal Shaft Engine | GX610, GX620 | 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.
