The Multiquip 2793590123 is a genuine OEM Insulator Gasket designed for G-4.5R, GA4.5R, GA4.5RA, QP3TE, QP4TE, and QP-40TE equipment. As a factory-authorized component, it meets the exact material and dimensional specifications set by Multiquip for these portable AC generator and trash pump models. Sourced directly through Multiquip's OEM supply chain, this gasket is the correct replacement when servicing the intake or carburetor insulator interface on your machine.
Key Features
- Genuine OEM Material Integrity — Produced to Multiquip's original compound and thickness specifications, ensuring the gasket seals and insulates at the same level as the factory-installed part.
- Drop-In Fitment — Matches the original bolt pattern and sealing surface dimensions, allowing direct installation without machining or trimming.
- Broad Model Coverage — Fits G-4.5R, GA4.5R, GA4.5RA portable AC generators and QP3TE, QP4TE, and QP-40TE trash pumps under a single part number.
- Thermal and Fuel Isolation — Correctly isolates the carburetor from engine heat, preventing fuel vaporization and hard-start conditions that result from a degraded or missing insulator gasket.
- Leak Prevention — A properly seated insulator gasket eliminates air leaks at the carburetor-to-engine interface that would cause erratic idle, lean running, or loss of power output.
The insulator gasket sits between the carburetor and the engine intake port, serving two critical functions: it creates an airtight seal to prevent unmetered air from entering the fuel charge, and it thermally isolates the carburetor body from direct engine heat. When this gasket deteriorates, cracks, or compresses unevenly, the engine may experience rough idling, difficulty starting, or inconsistent power delivery — symptoms often misdiagnosed as carburetor or fuel system failures. Replacing a worn insulator gasket with the correct OEM part, such as Multiquip 2793590123, restores the proper air-fuel seal and protects carburetor function across extended service intervals.
For fitment questions or help confirming compatibility with your specific unit, contact the DHS Equipment team directly.
Part Details
| Part Number | 2793590123 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Insulator Gasket |
Compatibility & Fitment
| Name | Model |
|---|---|
| Portable Ac Generator | G-4.5R |
| Portable Generators | GA4.5R |
| Portable Generators | GA4.5RA |
| MQ Trash Pumps | QP3TE |
| MQ Trash Pumps | QP4TE |
| MQ Trash Pumps | QP-40TE |
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.
