Genuine OEM Volvo Engine Coolant Inlet Pipe, part number 30650738. This pipe is responsible for channeling coolant into the engine's cooling system, playing a vital role in temperature regulation. It is installed within the engine's cooling circuit. Constructed from metal to withstand high temperatures and coolant pressure. Genuine OEM coolant pipes are manufactured to exact internal and external dimensions, ensuring proper coolant flow and preventing leaks, which is critical for maintaining engine operating temperature.