The Multiquip 16212ZH7800 is a genuine OEM Insulator Gasket designed for a wide range of Multiquip equipment including plate compactors, walk-behind power trowels, concrete mixers, centrifugal pumps, and diaphragm pumps. As an authorized Multiquip OEM part, 16212ZH7800 delivers the exact fit and material specification required to maintain a proper seal between the carburetor and intake manifold across compatible models. Confirmed fitment includes MC42S, MVC64VH, MVC64VHW, MVH-R60H, MVH-R60W, MVB85H, CA4HM, CA4HC, QP2H, QP-204H, MQD2H, MQD2D3H, MQ-D206H, MQ-D305, MQ-D306HA, D306, SDP-2, SDP-3, CP-20H, CMS-4S, CMS-44S, EC-42S, WC-42S, and MC44S among others. Installing the correct OEM-spec gasket ensures the carburetor seats properly and the engine delivers consistent, reliable power output.
Key Features
- OEM Material Specification — Manufactured to Multiquip's exact material grade, ensuring the gasket compresses and seals correctly under engine heat cycling without cracking or blowing out prematurely.
- Drop-In Carburetor Interface Fit — Matches the original bolt pattern and port dimensions exactly, so the carburetor seats flush with no shimming or trimming needed during installation.
- Broad Cross-Equipment Compatibility — Fits plate compactors (MVC64VH, MVC64VHW, MVH-R60H, MVB85H), walk-behind trowels (CA4HM, CA4HC), diaphragm and centrifugal pumps (QP2H, MQD2H, SDP-3), and concrete mixers (MC42S, CMS-4S, EC-42S, WC-42S).
- Engine Air-Fuel Integrity — A correctly sealed insulator gasket prevents unmetered air from entering between the carburetor and manifold, which would otherwise cause a lean-running condition, rough idle, or hard starts.
- Fuel System Safety — A failed or missing insulator gasket can allow fuel vapor to escape at the carburetor joint, creating a fire risk. Replacing it with the correct OEM part restores the sealed interface and mitigates that hazard.
The insulator gasket sits between the carburetor and the engine intake manifold, forming an airtight and fuel-tight seal at one of the most thermally stressed points in the fuel delivery system. It also acts as a heat barrier, insulating the carburetor body from direct engine heat to prevent fuel from vaporizing inside the carb bowl — a condition known as heat soak that causes hot-restart problems. When this gasket deteriorates, shrinks, or cracks, the resulting air leak disrupts the carburetor's ability to meter fuel accurately, leading to poor throttle response, erratic engine speed, or failure to start.
For fitment questions or ordering assistance, contact the DHS Equipment team directly.
Part Details
| Part Number | 16212ZH7800 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Insulator Gasket |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Mixers | MC-42S |
| Plate Compactors | MVC-64H |
| Plate Compactors | MVC-64HW |
| Plate Compactors | MVH-R60H |
| MQ Mixers | MC44S |
| Concrete Mixers | CMS-4S |
| Plate Compactors | MVC64VH |
| Plate Compactors | MVC64VHW |
| Diaphragm Pumps | MQD2H |
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | MQ-D306HA |
| STOW Diaphragm Pumps | SDP-3 |
| MQ Centrifugal Pumps | QP-204H |
| Centrifugal Pumps | QP2H |
| International Walk-Behind Power Trowels | CA-4-4H |
| Power Trowels | CA4.4HM |
| Plate Compactors | MVB85H |
| MQ Diaphragm Pumps | MQ-D206H |
| Diaphragm Pumps | MQD2D3H |
| MQ Diaphragm Pumps | D306 |
| STOW Diaphragm Pumps | SDP-2 |
| STOW Centrifugal Pumps | CP-20H |
| Whiteman Walk-Behind Power Trowels | CA4HM |
| Plate Compactors | MVH-R60W |
| Concrete Mixers | EC-42S |
| Concrete Mixers | CMS-44S |
| Concrete Mixers | WC-42S |
| C and CA Series | CA4HC |
| STOW Diaphragm Pumps | CA90749 |
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.