The Multiquip 16211Z4V000 Carburetor Insulator is a genuine OEM component designed for SP1G and MVH158GH series equipment. Sourced directly from Multiquip, this insulator matches the original specification for a drop-in installation between the carburetor and intake manifold. Verified fitment covers the SP1G flat saw and MVH158GH reversible plate compactor — two machines that share this engine-side component. Keeping this part in good condition is essential to stable fuel delivery and consistent engine performance across both applications.
Key Features
- Genuine OEM Heat Isolation: — Manufactured to the original thermal barrier specification, maintaining the correct heat separation between the carburetor body and engine intake to prevent fuel vaporization issues.
- Direct Carburetor-to-Intake Fit: — Mounts between the carburetor and intake manifold using the original bolt pattern, requiring no modification to the engine or fuel system.
- Confirmed Fitment: — Compatible with the SP1G flat saw and MVH158GH reversible plate compactor series.
- Engine Stability Under Load: — A correctly seated insulator prevents heat soak from disrupting the air-fuel mixture, supporting steady throttle response and consistent power output during compaction and cutting operations.
- Fuel System Integrity: — Degraded or cracked insulators allow excessive engine heat into the carburetor bore, increasing the risk of vapor lock and hard-starting — replacing this part restores proper fuel system function.
The carburetor insulator is a heat-isolating spacer mounted between the carburetor and the engine's intake manifold. Its job is to block engine heat from transferring directly into the carburetor, where it can cause fuel to vaporize before it reaches the combustion chamber — a condition known as vapor lock. When the insulator cracks, warps, or deteriorates, the engine may become difficult to start when hot, idle roughly, or lose power under load. Replacing a worn insulator restores the thermal barrier the fuel system depends on to function correctly.
Part Details
| Part Number | 16211Z4V000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Carburetor Insulator |
Compatibility & Fitment
| Name | Model |
|---|---|
| Saws | SP1G |
| Plate Compactors | MVH158GH |
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.
