VolvoEngine Parts

20740344 — Truck, Renault Truck Radiator Hose, Bottom

This is a bottom radiator hose designed to connect the engine's water pump to the radiator, facilitating the flow of coolant for engine temperature regulation. It is constructed from durable, heat-resistant rubber compounds that withstand engine vibration and coolant pressure, unlike a cracked or collapsed hose. Operators may observe coolant leaks under the vehicle, a rising engine temperature gauge, or steam escaping from the engine bay when this hose fails.

Truck, Renault Truck Radiator Hose, Bottom – Part No 20740344 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Cross References & OEM Numbers

Alternate part numbers that interchange with Volvo 20740344

Fitment: Volvo Trucks: Renault Trucks: FH13: 2006> 2007, FM13: 2006> 2007, Renault Trucks:

Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeRadiator Hose (Bottom)
MaterialReinforced EPDM rubber
ApplicationEngine cooling system
Service LifeReplace every 3-5 years or upon inspection
CompatibilityVolvo Trucks, Renault Trucks specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing bottom radiator hose is often a visible coolant leak, typically seen as puddles under the front of the truck. If the hose ruptures, the engine will rapidly overheat, potentially leading to steam release. The critical risk is severe engine damage due to overheating if the cooling system loses all its coolant.

Installation Tip

Ensure the connection surfaces on the radiator and water pump are clean and free of old gasket material before installing the new hose. Do not use excessive force when sliding the hose clamps, as this can damage the hose or connection point.

Service Note

When replacing the radiator hose, it is recommended to inspect the upper radiator hose, thermostat, and water pump for any signs of wear or leakage.