Gen 1 Vanquish water pump to upright Bottom Hose 1R12-321724-AD | AstonSpares

Hose from water pump, at the bottom right hand side of the engine bay (as you look from front) to the vertical bypass pipe.

Made in reinforced silicone to last. Finished in matt black for the OEM look.

 Equivalent part no - 1R12-321724-AD