The Honda 12000-Z1C-Q00 Cylinder Assembly is a genuine OEM Cylinder Assembly designed for EM3800, EM4000, EM5000, and EM6500 generators. As a direct Honda OEM component, it is manufactured to the same specifications as the original part, ensuring a proper fit without improvisation or adaptation. This assembly is built for generators that have seen significant wear or mechanical damage at the cylinder level, making it the correct choice when a partial repair is no longer sufficient. Confirm your generator's model and serial number against the fitment table before ordering, as Honda updates part numbers at production breaks.
Key Features
- Genuine Honda OEM Construction — machined to Honda's original bore specifications, ensuring correct piston-to-wall clearance, ring seating, and port alignment critical to generator engine performance
- Complete Assembly Format — supplied as a full Cylinder Assembly, reducing the number of individual components needed for a major engine rebuild or cylinder replacement
- Broad Generator Fitment — covers EM3800, EM4000, EM5000, and EM6500 Honda generators; verify your model and serial number against the compatibility table to confirm the correct application
- Restores Compression and Power Output — a scored, cracked, or worn cylinder causes compression loss, excessive oil consumption, and unstable generator output; replacing it with this assembly brings engine integrity back to operational standard
The cylinder is the structural and functional core of the generator's engine. It houses the piston as it travels through the combustion cycle, containing the heat and pressure generated by ignition and transferring that force to the crankshaft, which ultimately drives the generator's alternator. When the cylinder bore becomes worn, scored, or cracked — whether from lack of lubrication, overheating, or long service hours — the engine loses the ability to hold compression effectively. The result is reduced power output, increased oil consumption, hard starting, and in severe cases, complete failure. Replacing a compromised cylinder with a genuine Honda Cylinder Assembly restores the engine's ability to generate the consistent mechanical power the EM-series generators depend on.
Part Details
| Part Number | 12000-Z1C-Q00 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EM3800, EM4000, EM5000, EM6500 | 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.