The Multiquip M1312500203 Upper Radiator Hose is a genuine OEM cooling system component designed for DCA25 and DCA25USI series ultra-silent diesel generators. As a direct OEM replacement, this hose is manufactured to the exact dimensions and material specifications required for proper coolant flow between the engine and radiator. It is confirmed to fit DCA25USI, DCA25USIXF, DCA25USI2XF, DCA25USI4CAN, DCA25, and DCA25USI2 generator models. Sourcing the correct OEM part ensures the cooling system maintains proper operating temperature and avoids premature wear from ill-fitting substitutes.
Key Features
- OEM-Grade Hose Material — Constructed to Multiquip's original coolant hose specification, delivering the correct wall thickness, flexibility, and heat resistance for diesel generator cooling circuits.
- Drop-In Cooling System Fit — Matches the factory routing and end diameter exactly, connecting the engine outlet to the radiator inlet without trimming or adapting.
- Broad DCA25 Series Coverage — Fits DCA25USI, DCA25USIXF, DCA25USI2XF, DCA25USI4CAN, DCA25USI2, and DCA25 ultra-silent generator models.
- Sustained Coolant Flow — A correctly seated upper radiator hose maintains pressurized coolant circulation, protecting the engine from overheating during extended generator run cycles.
- Verified OEM Part Number — this part is the genuine Multiquip part number, eliminating guesswork when cross-referencing against service manuals or parts diagrams.
The upper radiator hose carries hot coolant from the engine's thermostat housing to the top of the radiator, where heat is dissipated before the cooled fluid returns to the engine. In a diesel generator application, consistent coolant circulation is critical because the engine runs at sustained loads for long periods with little opportunity to cool down naturally. When this hose cracks, collapses, or leaks — whether from age, heat cycling, or clamp wear — coolant loss can cause rapid overheating, leading to engine shutdown or serious internal damage if left unaddressed.
Questions about fitment or ordering? Contact the DHS Equipment parts team for assistance confirming compatibility with your specific generator serial range.
Part Details
| Part Number | M1312500203 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
| Diesel Powered Generators | DCA25USIXF |
| Diesel Powered Generators | DCA25USI2XF |
| Diesel Powered Generators | DCA25USI4CAN |
| Diesel Powered Generators | DCA25 |
| Diesel Powered Generators | DCA25USI2 |
| Diesel Powered Generators | DCA25USI4CAN (FR) |
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.
