The Multiquip 1949883040 Thermometer Switch is a genuine OEM component designed for DCA15SPX3, DCA10SPX3, and DCA15SPX4 ultra-silent diesel generators. As a direct OEM replacement, this switch is manufactured to the exact specification required by your Multiquip DCA-series unit, ensuring the engine temperature monitoring system operates exactly as intended. Sourced directly through authorized Multiquip supply channels, the part is the correct part for maintaining reliable thermal protection on these generator models.
Key Features
- Genuine OEM Temperature Accuracy — Built to the precise switching threshold required for DCA-series diesel generators, ensuring your engine protection system responds at the correct temperature — not too early, not too late.
- Direct Drop-In Replacement — Matches the original mounting configuration and electrical connection on DCA15SPX3, DCA10SPX3, and DCA15SPX4 models for a straightforward swap during service.
- Confirmed Fitment — Verified for DCA15SPX3, DCA10SPX3, and DCA15SPX4 ultra-silent diesel generator models in the Multiquip DCA series.
- Engine Overtemperature Protection — A properly functioning thermometer switch triggers shutdown or warning responses before heat damage can occur, protecting the diesel engine from costly thermal failure.
- Electrical Safety Compliance — As a safety-critical switching component in the generator's protection circuit, using the correct OEM-spec part ensures the shutdown response meets the original design intent of the machine.
The thermometer switch monitors engine coolant or oil temperature and triggers an electrical signal when a set temperature threshold is reached. On diesel generators like the DCA series, this signal activates warning systems or initiates an automatic shutdown to prevent engine damage from overheating. When this switch fails — whether it sticks open or closed — the generator may either shut down unexpectedly under normal operating conditions or, more critically, fail to shut down when the engine is genuinely overheating, putting the entire unit at risk.
Part Details
| Part Number | 1949883040 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermometer Switch |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA15SPX3 |
| Diesel Powered Generators | DCA10SPX3 |
| Diesel Powered Generators | DCA15SPX4 |
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.
