The Multiquip M1310501303 Lower Radiator Hose is a genuine OEM replacement designed for DCA45USI4CAN and DCA45USI2 ultra-silent diesel generator models. As a direct Multiquip OEM part, M1310501303 is manufactured to the same specifications as the original component, ensuring a correct fit and proper coolant flow within the engine cooling system. This hose is compatible across the DCA45USI series, including the DCA45USI4CAN French-market variant, making it the trusted choice for technicians and fleet managers maintaining these generator units.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications, delivering the same wall thickness, flexibility, and heat resistance as the factory-installed hose.
- Correct Lower-Circuit Routing — Engineered to match the lower coolant circuit connection between the radiator and the engine block, seating securely on OEM-spec hose barbs without adaptation.
- DCA45USI Series Fitment — Confirmed compatible with DCA45USI4CAN, DCA45USI4CAN (FR), and DCA45USI2 ultra-silent Isuzu-powered diesel generators.
- Sustained Coolant Integrity — A properly seated lower radiator hose maintains pressurized coolant circulation, keeping engine temperatures stable under continuous generator load. A cracked or collapsed hose leads to rapid coolant loss and overheating.
- Pressure and Temperature Rated — Built to withstand the operating pressures and thermal cycling demands of a diesel-driven generator cooling system, resisting collapse and permeation over extended service intervals.
The lower radiator hose carries coolant from the bottom of the radiator back to the engine water pump, completing the closed-loop cooling circuit that prevents the engine from overheating during operation. Because this hose operates under both heat and pressure, it is subject to gradual hardening, cracking, or swelling over time. A failed lower radiator hose will cause rapid coolant loss, leading to engine overheating and potential shutdown — making timely inspection and replacement critical to keeping a generator on load.
DHS Equipment supplies genuine Multiquip OEM parts with fitment accuracy you can count on. If you have questions about part M1310501303 or need help confirming compatibility with your unit, contact our parts team directly.
Part Details
| Part Number | M1310501303 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lower Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA45USI4CAN |
| Diesel Powered Generators | DCA45USI2 |
| Diesel Powered Generators | DCA45USI4CAN (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.
