These alloy adaptors are designed to fit Bosch fuel pumps with M18 x 1.5 and M12 x 1.5 ports.2 Sizes are available:Inlet - M18 x 1.5 to 1/2" (13mm) push on.Outlet - M12 x 1/5 to 5/16" (8mm) push on.
This product would be ideal for automotive professionals and DIYers looking to upgrade their fuel system for Bosch engines, and those specifically requiring a push-on hose fitting with a 1.5mm diameter and suitable for 8mm fittings.