The Multiquip M3923200124 Inner Cooler is a genuine OEM component designed for DCA125SSIU, DCA125USI, DCA150SSI, DCA150SSIU, DCA125SSIU50HZ, DCA125SSIU60HZ, and DCA125USI3CAN series super-silent and ultra-silent diesel generators. As a factory-sourced replacement, it matches the exact thermal performance and dimensional specifications required by these units, ensuring a direct installation without guesswork. Sourced directly through the Multiquip OEM supply chain, this part carries the same quality standard as the component originally installed on the machine. If your generator is running hot, losing output efficiency, or showing signs of charge-air cooling failure, replacing the inner cooler with Multiquip M3923200124 restores thermal management to spec.
Key Features
- OEM Thermal Specification: — Manufactured to the exact charge-air cooling capacity required by DCA-series super-silent generators, maintaining proper intake air density under load.
- Drop-In Installation: — Matches the original mounting configuration and connection points of the DCA125 and DCA150 platforms for straightforward service.
- Broad DCA Series Fitment: — Compatible with DCA125SSIU, DCA125USI, DCA125USI3CAN, DCA150SSI, DCA150SSIU, DCA125SSIU50HZ, and DCA125SSIU60HZ models.
- Sustained Generator Output: — A functioning inner cooler keeps intake air temperatures in check, protecting engine efficiency and rated power output across extended run cycles.
- Fuel System Protection: — Proper charge-air cooling reduces combustion temperatures, helping protect injectors and internal engine components from heat-related wear.
An inner cooler — also known as an intercooler or charge-air cooler — is positioned in the turbocharged air intake path between the turbocharger and the engine's intake manifold. Its role is to lower the temperature of compressed air before it enters the combustion chamber; cooler, denser air allows the engine to burn fuel more efficiently and produce its rated power output. When an inner cooler becomes damaged, clogged, or develops internal leaks, intake air temperatures rise, engine efficiency drops, and in severe cases the generator may derate or shut down on thermal protection — making timely replacement critical for continuous-duty applications.
Part Details
| Part Number | M3923200124 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inner Cooler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSIU |
| Diesel Powered Generators | DCA125USI3CAN |
| Diesel Powered Generators | DCA125USI |
| Diesel Powered Generators | DCA150SSI |
| Diesel Powered Generators | DCA150SSIU |
| Diesel Powered Generators | DCA125SSIU50HZ |
| Diesel Powered Generators | DCA125SSIU60HZ |
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.
