The Multiquip 43140-09 LPG Vapor Regulator is a genuine OEM component designed for the STXDF super-sized hydrostatic ride-on trowel series. As a direct OEM replacement, this regulator is built to the same specifications as the original part, ensuring the dual-fuel system on your STXDF trowel operates exactly as intended. Sourced directly through authorized Multiquip supply channels, the 43140-09 is the correct, confirmed replacement for STXDF-equipped machines running on LPG fuel.
Key Features
- Genuine OEM Vapor Regulation: — Built to Multiquip's original pressure and flow specifications for the LPG fuel circuit, not a generic substitute.
- Direct-Fit Replacement: — Matches the original mounting configuration and connection points on STXDF trowels for a straightforward swap during service.
- STXDF Series Compatibility: — Confirmed fitment for the Multiquip STXDF super-sized hydrostatic ride-on trowel with dual-fuel capability.
- Consistent Fuel Delivery: — A properly functioning vapor regulator maintains steady LPG pressure to the engine, supporting smooth throttle response and consistent blade speed under load.
- Fuel System Safety: — The LPG vapor regulator is a pressurized fuel system component; using a genuine OEM part ensures correct pressure relief behavior and reduces the risk of fuel system faults during operation.
The LPG vapor regulator converts liquid propane from the supply tank into a controlled, low-pressure vapor before it reaches the engine's carburetor or fuel mixer. It regulates delivery pressure so the engine receives a consistent fuel charge regardless of tank level or ambient temperature. When the regulator wears out or fails, the engine may run lean, surge, lose power, or refuse to start on LPG — making timely replacement critical to keeping dual-fuel trowel operations on schedule.
Part Details
| Part Number | 43140-09 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | LPG Vapor Regulator |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STXDF |
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.
