The Honda 12000-Z0L-820 Cylinder Assembly is a genuine OEM Cylinder Assembly designed for GC135 and GC160 horizontal shaft engines, GCV160 vertical shaft engines, and HS520 and HS720 single-stage snow blowers. As a direct Honda OEM component, this assembly is manufactured to the same standards as the original part it replaces, ensuring correct bore dimensions, port geometry, and deck surface integrity. Because Honda supersedes cylinder assemblies at production serial breaks, confirm your machine's serial number against the fitment table before ordering to be certain this is the right assembly for your unit.
Key Features
- Genuine Honda OEM Construction — manufactured to Honda's original bore tolerances and deck surface specifications, ensuring correct compression sealing and piston clearance for the engine it serves
- Broad Fitment Coverage — suits GC135 and GC160 horizontal shaft engines, GCV160 vertical shaft engines, and HS520 and HS720 single-stage snow blowers, including a range of production serial breaks across those platforms
- Serial-Range Verification Recommended — Honda updates cylinder assemblies at defined serial breaks; check your unit's serial number against the compatibility table to confirm this assembly applies to your machine
- Core Engine Integrity — a cylinder in good condition is essential for maintaining compression, managing heat dissipation, and supporting correct oil control; a cracked, scored, or out-of-tolerance bore causes loss of power, increased oil consumption, and eventual engine failure
The cylinder assembly is the structural and functional core of a four-stroke engine. It houses the piston and rings, forming the sealed combustion chamber where the air-fuel mixture ignites and drives the piston downward to generate power. The cylinder bore must maintain precise dimensional tolerances: scoring, cracking, or excessive wear allows combustion pressure to bypass the rings, robbing the engine of compression and power while letting oil enter the combustion chamber. Replacing a worn or damaged cylinder assembly restores the foundation that every other engine component depends on, returning the engine to its correct operating condition.
Part Details
| Part Number | 12000-Z0L-820 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GC135, GC160 | All |
| Single-Stage Snow Blower | HS520, HS720 | 3687853-9999999 |
| Vertical Shaft Engine | GCV160 | 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.
