Description
The Coolant Heater Hose (A2128304796) is a genuine OEM component designed to transport coolant between the engine and the vehicle’s heater system. It ensures efficient heat transfer, prevents leaks, and supports consistent cabin heating and engine temperature regulation.
Manufactured to Mercedes-Benz factory specifications, this hose is made from high-quality, heat- and pressure-resistant rubber, capable of withstanding extreme engine temperatures and pressures. Replacing a worn or damaged heater hose with a genuine OEM part restores proper coolant flow, prevents overheating, and maintains reliable heating system performance.

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