The Multiquip M1310500203 Lower Radiator Hose is a genuine OEM replacement designed for DCA25SSIU and DCA25SSIU-GEER ultra-silent diesel generators. This is a direct OEM part, meaning it meets the original design specifications for hose diameter, length, and rubber compound — no trimming or adapting required to achieve a proper seal. Sourced directly through Multiquip's authorized parts network, M1310500203 is the correct part for keeping your generator's cooling circuit operating as intended. DHS Equipment supplies this as a stocked OEM component to support fast turnaround on generator service and maintenance.
Key Features
- OEM Rubber Compound and Wall Thickness — Engineered to handle the specific coolant temperatures and pressures produced by the Isuzu diesel engine in the DCA25SSIU, maintaining a reliable seal over extended run cycles.
- Correct Lower-Circuit Routing — Molded to match the original lower hose path between the radiator outlet and the engine block, ensuring a flush connection at both ends without kinking or stress on fittings.
- Confirmed Fitment for DCA25SSIU Series — Verified for use on DCA25SSIU and DCA25SSIU-GEER ultra-silent diesel generator models, so you can order with confidence before the machine goes down.
- Supports Full Cooling System Efficiency — A compromised lower hose restricts coolant return flow from the engine, causing heat buildup that can trigger thermal shutdowns or accelerate engine wear during long generator run times.
- Coolant System Integrity — A cracked or collapsed lower hose is a common source of slow coolant loss; replacing it promptly with the correct OEM part prevents more costly cooling system damage.
The lower radiator hose carries coolant from the bottom of the radiator back to the engine's water pump inlet, completing the cooling circuit. It handles high flow volumes and must maintain its shape under vacuum pressure — a hose that collapses internally can starve the engine of coolant even when the system appears full. When this hose cracks, softens, or develops a slow weep at the clamp seats, the engine's ability to shed heat during sustained generator load is compromised, making timely replacement critical for units like the DCA25SSIU that are often run continuously on job power applications.
For questions about fitment or to confirm compatibility with your specific unit, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | M1310500203 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lower Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25SSIU |
| Diesel Powered Generators | DCA25SSIU-GEER |
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.
