Genuine OEM Audi Coolant Expansion Tank Hose, part number 5Q0122101GK. This hose is a critical component that connects the coolant expansion tank to the rest of the engine cooling system. It allows for the proper circulation of coolant and accommodates volume changes due to thermal expansion, ensuring the system operates under correct pressure. Made from durable, heat-resistant rubber, it is designed for precise routing and secure connections. Weighing 0.326 kg, this hose is manufactured to exact factory specifications. Choosing a genuine OEM coolant hose ensures correct routing geometry, material resistance to coolant chemicals, and reliable performance under high temperatures and pressures, preventing leaks and maintaining cooling system integrity.

Catalogue entry: HOSE.

Fitted with: 5Q0122101HH HOSE, 5Q0122101GL HOSE, 5Q0122101HJ HOSE, 5Q0122051EN HOSE, 5Q0122051EP HOSE, 5Q0122051FA HOSE, N90686902 CLAMP.