The Multiquip M1310501203 Upper Radiator Hose is a genuine OEM component designed for DCA45USI4CAN and DCA45USI2 ultra-silent diesel generators. As a direct OEM replacement, M1310501203 is manufactured to the exact material grade, diameter, and routing specification of the original part — ensuring a correct, leak-free installation with no guesswork. This hose is sourced directly through Multiquip's authorized parts network, making it the dependable choice for fleet operators and service technicians maintaining DCA-series generator equipment.
Key Features
- OEM Coolant Integrity: — Manufactured to original pressure ratings and reinforcement spec, maintaining the closed-loop cooling system's designed operating performance.
- Exact-Fit Routing: — Matches the factory hose geometry for the DCA45USI4CAN and DCA45USI2, connecting directly between the engine outlet and radiator inlet without modification.
- Confirmed Fitment: — Verified for DCA45USI4CAN, DCA45USI4CAN (FR), and DCA45USI2 ultra-silent diesel generator models.
- Sustained Cooling Efficiency: — A compromised upper radiator hose causes coolant loss and engine overheating; this genuine replacement restores full thermal regulation to protect the Isuzu diesel engine.
- Fuel System Safety Compliance: — Genuine OEM material construction resists heat, pressure cycling, and coolant chemistry degradation — critical for uninterrupted generator operation in demanding site conditions.
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 block. It is a primary link in the engine's cooling loop, and any crack, collapse, or connection failure will rapidly lead to coolant loss and engine overtemperature. On diesel generator sets like the DCA45USI series — which are often expected to run for extended periods under sustained electrical load — a sound, properly seated upper radiator hose is essential to continuous, safe operation.
Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number and we'll verify fitment before you order.
Part Details
| Part Number | M1310501203 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper 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.
