The Multiquip M3310500503 is a genuine OEM Lower Radiator Hose designed for DCA-series ultra-silent diesel generators including the DCA125SSJU, DCA125SSJU2, DCA100SSJU, DCA125SSJU-GEER, and DCA125SSJU2-FEMA. As a direct OEM replacement, this hose matches the original routing, diameter, and end fitment so it seats correctly the first time without trimming or adapting. Sourcing the exact Multiquip M3310500503 ensures the cooling circuit operates within the generator's engineered parameters, protecting the diesel engine from heat-related damage during extended run cycles.
Key Features
- OEM-Grade Coolant Containment — Manufactured to the same pressure tolerance and heat resistance rating as the original hose, maintaining a leak-free seal under normal diesel generator operating temperatures.
- Correct Routing and End Geometry — Molded to the exact lower-hose profile of the DCA-series cooling system, so the hose follows the original path and clamps to the radiator and engine block outlets without stress or kinking.
- Confirmed Fitment — Verified for DCA125SSJU, DCA125SSJU2, DCA100SSJU, DCA125SSJU-GEER, and DCA125SSJU2-FEMA ultra-silent diesel generator models.
- Sustained Cooling Circuit Efficiency — A properly seated lower radiator hose maintains consistent coolant flow from the radiator back to the engine; a cracked or collapsed hose restricts flow and risks overheating under load.
- Fuel and Coolant Compatibility — Hose construction is resistant to the glycol-based coolants used in diesel generator applications, resisting interior swelling and degradation over time.
The lower radiator hose carries cooled coolant from the bottom of the radiator back to the engine's water pump inlet, completing the closed-loop cooling circuit. In a continuously loaded diesel generator like the DCA-series, this flow is critical to keeping engine temperatures stable across long runtime hours. When the hose cracks, softens, or collapses, coolant flow drops, engine temperature climbs, and the generator risks shutdown or long-term engine damage — making timely hose inspection and replacement a key part of any preventive maintenance schedule.
Part Details
| Part Number | M3310500503 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lower Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSJU |
| Diesel Powered Generators | DCA125SSJU2 |
| Diesel Powered Generators | DCA100SSJU |
| Diesel Powered Generators | DCA125SSJU-GEER |
| Diesel Powered Generators | DCA125SSJU2-FEMA |
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.
