The Multiquip M4310500803 Upper Radiator Hose is a genuine OEM component designed for DCA220SSJ, DCA220SSJU, and DCA180SSJU ultra-silent diesel generator models. Sourced directly from Multiquip, this hose is manufactured to the exact dimensions and material specifications required for proper coolant flow in these units. Verified fitment across the DCA220 and DCA180 series means you can order with confidence and get your generator back online without guesswork. Keep M4310500803 on hand as a scheduled maintenance item or as part of your cooling system service kit.
Key Features
- Genuine OEM Construction — Manufactured to exact material and dimensional specifications for the DCA-series cooling system, ensuring the hose seats correctly at both the engine and radiator connection points.
- Direct-Fit Replacement — Matches the original routing and end dimensions of the factory upper hose, allowing straightforward installation with existing clamps and fittings.
- Confirmed Fitment — Verified for DCA220SSJ, DCA220SSJU, and DCA180SSJU ultra-silent diesel generators.
- Coolant System Integrity — A properly seated upper radiator hose maintains full coolant pressure and flow, preventing overheating and protecting the engine from thermal damage during extended generator operation.
- Scheduled Maintenance Value — Rubber coolant hoses degrade over time from heat cycling and pressure; replacing on schedule with the correct OEM part prevents unexpected coolant loss and engine damage.
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 diesel-powered generators like the DCA220SSJ and DCA180SSJU series, the cooling system works under sustained load conditions, making hose condition critical to consistent output and engine longevity. A cracked, swollen, or loose upper hose will cause coolant loss and rapid overheating, leading to generator shutdown or lasting engine damage if not addressed promptly.
Part Details
| Part Number | M4310500803 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA220SSJ |
| Diesel Powered Generators | DCA220SSJU |
| Diesel Powered Generators | DCA180SSJU |
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.
