The Multiquip 12200ZH9405 Cylinder Head is a genuine OEM component designed for GA3.6HZ, GA3.6HA, QP402H, and QP3TH series equipment. As a direct OEM replacement, this cylinder head is manufactured to the same specification as the original part, ensuring a proper installation without guesswork. Compatible across both the GA3.6 gasoline-powered generator series and the QP centrifugal and trash pump lines, this part covers a wide range of Multiquip equipment powered by the same engine platform. Order the 12200ZH9405 with confidence knowing you are restoring your machine with an authorized Multiquip component sourced directly through DHS Equipment.
Key Features
- Genuine OEM Construction — Manufactured to original casting and porting specifications, maintaining correct compression ratios and combustion chamber geometry for this engine family.
- Direct-Fit Replacement — Machined to match the original head gasket surface, valve seat positioning, and bolt pattern for a straightforward installation on supported models.
- Broad Fitment Coverage — Compatible with GA3.6HZ, GA3.6HA, QP402H, and QP3TH models, making it a single solution across multiple Multiquip equipment lines sharing this engine platform.
- Restored Engine Performance — A correctly seated cylinder head maintains proper compression, ensuring the engine starts reliably and delivers full power output to the generator or pump it drives.
- Combustion Integrity — A worn or warped cylinder head leads to compression loss, overheating, and oil or coolant contamination — replacing with this OEM part restores the sealed combustion environment the engine requires.
The cylinder head is one of the most critical components in a small gasoline engine. It seals the top of the cylinder bore, contains the combustion chamber, and houses the valve seats and ports that control the intake of air-fuel mixture and the exhaust of combustion gases. When a cylinder head warps, cracks, or develops a failed gasket surface, the engine loses compression, runs poorly, overheats, or fails to start altogether. Replacing a damaged head with a genuine OEM part like the Multiquip 12200ZH9405 restores proper combustion sealing and returns the engine to its designed operating condition.
Part Details
| Part Number | 12200ZH9405 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cylinder Head |
Compatibility & Fitment
| Name | Model |
|---|---|
| Gasoline Powered Generators | GA3.6HZ |
| Gasoline Powered Generators | GA3.6HA |
| Centrifugal Pumps | QP402H |
| Trash Pumps | QP3TH |
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.