Coolant tube (Water Manifold), OEM part number 07Z121065AH, designed for 2006-2008 Volkswagen Touareg with a 5.0L V10 TDI diesel engine. This essential coolant pipe directs coolant flow, ensuring efficient engine temperature management. Replaces a known issue related to leakage or blockage in the cooling system, contributing to overheating and potential engine damage. Commonly referred to as a coolant line or pipe, this part fits in the vehicle's engine compartment for optimal performance. Interchangeable with part numbers N90316801, 7L6122447H, 7L6122101K, and 7L6819196B. Ideal for maintaining your vehicle's cooling system integrity.