Mot failed car on brakes
 

Hi people I've put my mk4 cabby in for mot and he's failed it on brakes saying the servo isn't working so I have replaced that and put it back in for retest and he's still saying the same thing but my servo is working it's got vacuum but we're my vacuum pipe goes into the inlet there is a missing piece of plastic https://cimg3.ibsrv.net/gimg/passion...9e79e84439.pngWere can i get one of these plastic clips or sleeves from

Should come with the pipe