General description Connect Fuel Non Return Valve is designed for pipes with a diameter of 3.0mm to 3.2mm. This valve is essential for ensuring proper fuel flow in various automotive applications. Technical specifications Pipe diameter: 3.0mm - 3.2mm Compatible injector reference numbers: 03L130277B, 03L130277J, 0445110368, 0445110369, 0445110550, 0445110646 Compatible pump references: 03L130755AA, 0445010532, 0445010537, 0445010560, 0445010565, 0445010566, 0445010570, 0445010583 Compatibility and accessories Compatible with Audi and VW 2.0L engines Used on Siemens and Bosch systems