The Multiquip T185039010 Oil Switch is a genuine OEM component designed for the DCA40SSKU4F ultra-silent diesel generator. As a direct OEM replacement, it meets the original engineering specifications for the DCA40SSKU4F, ensuring the generator's oil pressure monitoring system operates exactly as intended. DHS Equipment sources this part directly through authorized Multiquip supply channels, so you can order with confidence knowing you're receiving the correct component for your machine.
Key Features
- OEM-Matched Pressure Sensitivity — Calibrated to the original switching threshold for the DCA40SSKU4F oil protection circuit, not a generic approximation.
- Direct-Fit Replacement — Engineered to the original connector and thread specification, dropping straight into the existing port without adaptation.
- Confirmed Fitment — Verified for the DCA40SSKU4F ultra-silent diesel generator series.
- Protects the Engine from Oil Starvation — A correctly functioning oil switch triggers engine shutdown before low oil pressure causes internal damage; a failed switch leaves the engine running unprotected.
- Electrical System Compatibility — Output characteristics match the generator's control board input requirements, preventing false shutdowns or missed fault signals.
The oil switch monitors engine oil pressure during operation and sends a signal to the generator's control system the moment pressure drops below a safe threshold. When that signal is received, the control circuit initiates a protective shutdown, preventing catastrophic engine damage from oil starvation. A worn or failed oil switch may either fail to trigger a shutdown when pressure is genuinely low — leaving the engine exposed to serious damage — or generate false shutdowns that interrupt power output unnecessarily.
For fitment questions or help confirming this is the right part for your DCA40SSKU4F, contact the DHS Equipment parts team.
Part Details
| Part Number | T185039010 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Oil Switch |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA40SSKU4F |
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.