Multiquip M3311500803 Upper Radiator Hose

The Multiquip M3311500803 Upper Radiator Hose is a genuine OEM component designed for the DCA125SSIU4F ultra-silent diesel generator. As a direct OEM replacement, this hose is manufactured to the exact dimensions and material specifications required for proper coolant flow in the DCA125SSIU4F cooling circuit. Sourced directly through authorized Multiquip supply channels, the M3311500803 ensures a correct, leak-free connection between the engine and radiator without the guesswork of cross-referencing aftermarket alternatives.

Key Features

• OEM Coolant Integrity: — Manufactured to the precise inner diameter, wall thickness, and heat-resistant compound grade required to maintain pressurized coolant flow in the DCA125SSIU4F cooling system.
• Direct Hose Routing Match: — Pre-formed to match the exact upper hose routing path on the DCA125SSIU4F, seating correctly against the radiator neck and engine outlet without trimming or reshaping.
• Confirmed Fitment: — Verified OEM fitment for the DCA125SSIU4F ultra-silent diesel generator series.
• Sustained Cooling Performance: — A properly seated upper radiator hose maintains consistent coolant volume and pressure, keeping the generator's engine operating within its designed temperature range during extended load cycles.
• Fuel and Coolant System Safety: — An OEM-grade hose construction resists interior collapse under suction and exterior cracking under heat cycling, reducing the risk of sudden coolant loss and engine overheat shutdown on a working generator.

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 coolant returns to the engine. It is a critical link in the closed-loop cooling circuit — if the hose cracks, collapses, or loses its seal at either clamp point, coolant escapes, coolant pressure drops, and the engine will overheat rapidly. On a generator running under sustained load, a failed upper radiator hose can trigger an automatic shutdown or, if undetected, cause serious engine damage. Replacing a worn or compromised hose with the correct OEM part, the Multiquip M3311500803, restores full cooling capacity and protects the investment in the machine.

Part Details

Compatibility & Fitment

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.