The Multiquip 43140-14 Oil Pressure Switch is a genuine OEM component designed for STXDF series ride-on power trowels. As a direct OEM replacement, this switch is built to the same specification as the original part, ensuring correct signal output and proper integration with the engine protection system. Sourced directly through Multiquip's authorized parts network, the 43140-14 is the confirmed replacement for STXDF super-sized hydrostatic trowels with dual fuel capability.
Key Features
- Genuine OEM Signal Accuracy — Calibrated to the correct pressure threshold for STXDF engine systems, ensuring the switch opens and closes at the right point — not an approximation.
- Direct Drop-In Replacement — Matches the original port thread size and electrical connector on STXDF trowels, allowing straightforward installation without modification to fittings or wiring.
- STXDF Series Fitment Confirmed — Verified OEM replacement for Multiquip STXDF super-sized hydrostatic ride-on trowels with dual fuel (propane and gasoline) capability.
- Engine Protection Integrity — A correctly functioning oil pressure switch triggers shutdown before low-pressure conditions cause internal engine damage; a failed switch leaves your engine unprotected or causes unnecessary shutdowns.
- Electrical Reliability Under Vibration — Built to withstand the continuous vibration environment of a ride-on trowel, maintaining stable contact and preventing false readings during operation.
The oil pressure switch monitors engine oil pressure and sends a signal to the machine's warning or shutdown system when pressure drops below a safe operating threshold. It acts as a critical safeguard — if oil pressure falls due to a leak, pump failure, or low oil level, the switch triggers an alert or cuts the engine before serious internal damage can occur. When the switch fails, the machine may shut down unexpectedly under normal pressure, or worse, continue running without warning during a genuine low-pressure event.
Part Details
| Part Number | 43140-14 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Oil Pressure Switch |
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.
