This is a lower water hose designed for the engine's cooling system, specifically for Volvo excavators. It facilitates the circulation of coolant between the engine block and the radiator, maintaining optimal operating temperatures. Manufactured from durable rubber compounds, this hose resists heat and pressure degradation, unlike a worn hose that may crack or leak.
Always verify with serial number before ordering.
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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.
The first sign of a failing lower water hose is often visible leaks or coolant drips around the hose connections or along its length. If ignored, the hose can swell and burst under pressure, leading to rapid coolant loss and engine overheating. Continued operation with a compromised cooling system risks severe engine damage due to excessive heat.
Ensure the engine is completely cool before attempting to remove the old hose to avoid burns. Clean the connection surfaces on the engine and radiator thoroughly before installing the new hose.
Inspect the upper radiator hose, thermostat, and water pump for any signs of wear or leaks when replacing the lower water hose.