Genuine OEM Audi Engine Coolant Pipe, part number 4K0121520B. This essential component is part of the engine cooling system, responsible for carrying coolant to various parts of the engine to regulate its operating temperature. It is typically located within the engine bay, connecting to other hoses and cooling system components. Constructed from durable materials, it is designed to withstand high temperatures and pressures. Using a genuine OEM coolant pipe ensures precise fitment, correct material specifications, and resistance to thermal cycling, preventing leaks and maintaining the integrity of the cooling system.

Catalogue entry: WATER PIPE.