Part number and part name needed
 

The hose connects to the maf (I think) out to the breather hose (eac7418) I need to know that the hose before the breather hose (eac741i8) part number is

Not sure what model year and vin your car is (add it to you signature why dontcha?)

but anyway, have a look around here:
https://www.jaguarclassicparts.com/u...hing-4-0-litre

Larry

Thank you so much I found the part number