Multiquip M3311500903 Lower Radiator Hose
Multiquip

Multiquip M3311500903 Lower Radiator Hose

$63.70
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SKU:
M3311500903-Multiquip
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The Multiquip M3311500903 Lower Radiator Hose is a genuine OEM component designed for the DCA125SSIU4F ultra-silent diesel generator. As a direct OEM replacement, M3311500903 is manufactured to the exact dimensions and material specifications of the original part, ensuring a proper seal and correct coolant flow routing within the cooling system. This hose is confirmed fitment for the DCA125SSIU4F series, so you can order with confidence knowing it will seat correctly without modification.

Key Features

  • OEM-Grade Hose Construction — Built to match the original rubber compound, wall thickness, and bend geometry for correct compression and sealing performance in the DCA125SSIU4F cooling circuit.
  • Direct Lower-Port Fit — Engineered to connect the lower radiator outlet to the engine coolant inlet, matching the original hose routing and clamp positions exactly.
  • Confirmed Fitment for DCA125SSIU4F — Verified OEM replacement for the DCA125SSIU4F ultra-silent diesel generator series.
  • Sustained Coolant Flow — A properly sealing lower radiator hose maintains the coolant volume and pressure the engine needs to stay within operating temperature under continuous generator load.
  • Cooling System Integrity — A cracked or collapsed lower hose can cause rapid coolant loss and engine overtemperature — replacing with a genuine OEM hose restores full system reliability.

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. It operates under constant pressure and temperature cycling, which over time causes the rubber to harden, crack, or collapse — any of which restricts coolant flow and puts the engine at risk of overheating. Replacing a worn lower radiator hose promptly keeps the cooling system sealed and flowing correctly, protecting the engine during extended generator operation.

Part Details

Part NumberM3311500903
BrandMultiquip
Part TypeGenuine OEM
DescriptionLower Radiator Hose

Compatibility & Fitment

Name Model
Diesel Powered Generators DCA125SSIU4F

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.