The Multiquip 8973617700 Thermostat DCA-25USI 4LE2 is a genuine OEM thermostat designed for the DCA25USI ultra-silent diesel generator. Sourced directly from Multiquip, this part carries the exact specifications required by the Isuzu 4LE2 engine at the heart of the DCA25USI platform. Verified fitment means you can install with confidence and get your generator back up and running without second-guessing compatibility.
Key Features
- OEM-Calibrated Opening Temperature — Matches the precise thermal threshold specified for the Isuzu 4LE2 engine, ensuring the cooling system operates within the correct temperature window.
- Direct-Fit Installation — Engineered to seat into the existing thermostat housing on the DCA25USI without any modification to gaskets, hoses, or mounting hardware.
- DCA25USI Generator Compatibility — Confirmed fitment for the Multiquip DCA25USI ultra-silent diesel generator powered by the Isuzu 4LE2 engine.
- Engine Temperature Stability — A correctly functioning thermostat keeps the 4LE2 engine in its optimal operating range, protecting against both overheating and inefficient cold running under load.
- Cooling System Integrity — Using the correct OEM thermostat prevents coolant flow irregularities that can lead to accelerated wear on cylinder liners, head gaskets, and other engine components.
The thermostat is a temperature-activated valve that regulates coolant flow between the engine and the radiator. When the engine is cold, the thermostat stays closed, allowing the engine to reach operating temperature quickly. Once the correct temperature is reached, it opens to route coolant through the radiator and prevent overheating. A failed or incorrect thermostat can cause the engine to run too hot or too cold — both conditions reduce efficiency, accelerate wear, and in a generator application can affect power output stability and long-term engine health.
DHS Equipment is an authorized Multiquip parts distributor. For fitment questions or help confirming compatibility with your serial number, contact our parts team directly.
Part Details
| Part Number | 8973617700 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermostat DCA-25USI 4LE2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
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.
