Genuine 17128662836 Upper Radiator Hose BMW 2-Series 3-Series 4-Series

The Genuine 17128662836 is an OEM upper radiator hose designed specifically for BMW 2-Series, 3-Series, and 4-Series vehicles. This factory-spec cooling system component connects the radiator to the thermostat housing, maintaining proper coolant circulation between the engine and radiator to prevent overheating and ensure optimal engine performance.

Key Features:

• Genuine BMW OEM part engineered to exact factory specifications for perfect fit and function
• Premium multi-layer construction designed to resist heat, pressure, chemical degradation, and cracking
• Direct replacement for part number 17-12-8-662-836
• Includes integrated quick-connect fittings and thermoplastic connectors where applicable
• Precision-molded design ensures proper routing without kinking or interference
• Heat-resistant materials rated for continuous high-temperature coolant exposure

This upper radiator hose is essential for maintaining your BMW's cooling system integrity. Over time, radiator hoses can become brittle, develop cracks, or suffer internal deterioration that leads to coolant leaks and potential engine damage. Replacing a worn or damaged hose with this genuine OEM component restores your cooling system to factory specifications and helps prevent costly overheating issues.