identify part please

The lump would appear to be the idle air control valve (maintains idle speed, especially when cold) So you should definitely get a new bit of rubber pipe ASAP, or for a short term fix use some silicone to seal the split.

Hi, as a temp fix i have sealed it, can i just buy the rubber seal seperate ? What exactly would it be called if i was to look for it ?

Thanks

Sorry should have said the pipe appears to be solid (metal) the seal where it joins the engine is rubber ( i assume ) the bit circled in red on the first image. Thanks

it would be a main dealer only part, the bit it attaches to is the throttle body, it may be seperately available to the pipe, but would be glued on, so don't be surprised to buy the whole thing, describe it as the rubber connector for the idle air control valve where it joins the throttle body' The dealer will pull up a picture of the whole lot and you should get it from there. If you go in that car you can always ask the parts person to look !

systemtek brought next idea :

That looks like an Idle Air Control Valve. Does the split go all the way through the rubber? Self amalgamating tape stretched and wrapped around it would repair it, it does need to be stretched tightly to work.