The Multiquip U45537140 Lower Radiator Hose is a genuine OEM component designed for the MQP20P standby generator series. Sourced directly from Multiquip, this hose is manufactured to the exact dimensions and material specifications required for proper coolant flow in these units. Confirmed fitment for MQP20P standby generators means you can order with confidence knowing this is the correct part for your machine. DHS Equipment stocks this part to keep your generator service work moving.
Key Features
- Genuine OEM Construction — Molded to the exact inner diameter, wall thickness, and bend profile required for the MQP20P cooling circuit — no trimming or adapting needed.
- Correct Coolant Routing — Routes coolant from the radiator to the engine block along the lower circuit, maintaining the flow rate the system was engineered for.
- Direct-Fit for MQP20P Standby Generators — Part number U45537140 is a confirmed match for MQP20P series standby generators; installs to existing hose clamps and fittings.
- Heat and Pressure Resistant — Built to withstand the sustained operating temperatures and coolant system pressures typical of standby generator duty cycles.
- Leak-Free Sealing — OEM-grade rubber compound maintains a secure seal at both connection points, preventing coolant loss that can lead to overheating under load.
The lower radiator hose carries coolant from the bottom of the radiator back to the engine, completing the cooling loop that keeps operating temperatures within the safe range. It sits under constant pressure and exposure to heat cycling, which gradually degrades the rubber over time — leading to softening, cracking, or collapse that restricts flow. A failed lower hose can cause rapid coolant loss and engine overheating, making timely replacement critical to protecting the generator's engine and ensuring the unit is ready when standby power is needed.
Part Details
| Part Number | U45537140 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lower Radiator Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Standby Generators | MQP20P |
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.
