Multiquip 12000ZH9801 Cylinder Assembly GX270 HC-4759734

The Multiquip 12000ZH9801 is a genuine OEM Cylinder Assembly GX270 HC- designed for GX270-powered equipment. As a genuine OEM component, it is manufactured to the same specifications as the original part, ensuring a direct, correct-fit replacement with no guesswork. This assembly is sourced through authorized Multiquip distribution channels and sold by DHS Equipment, so you can be confident you are receiving an authentic part. If your machine is equipped with the Honda GX270 engine, verify your existing part number against 12000ZH9801 before ordering to confirm fitment.

Key Features

• OEM-Grade Bore Integrity — Manufactured to original dimensional tolerances, maintaining the correct compression ratio and piston-to-wall clearance critical to GX270 engine performance.
• Direct-Fit Replacement — Matches the original cylinder assembly mounting points and port geometry, allowing installation without machining or adapter modifications.
• GX270 Engine Compatibility — Specifically produced for Honda GX270-equipped machines; cross-reference part number 12000ZH9801 with HC-4759734 to confirm your application.
• Restored Engine Output — A worn or scored cylinder causes loss of compression, excessive oil consumption, and hard starting; replacing with this assembly restores full engine power and efficiency.
• Combustion Sealing — The cylinder bore surface finish is machined to support proper piston ring seating, which is essential for maintaining combustion pressure and preventing blow-by.

The cylinder assembly forms the core structural and functional housing of the engine's combustion chamber. It provides the precision-bored bore in which the piston travels, containing combustion pressure while transferring heat away from the firing event. When the cylinder bore becomes worn, scored, or cracked, compression drops, oil migrates into the combustion chamber, and the engine loses power, runs roughly, or fails to start — making cylinder condition one of the most critical factors in engine health and longevity.

Part Details

Compatibility & Fitment

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.