regulater

Hi all, just been given a 4 bar fuel pressure regulater by my friend who cant remember what it is off just wondered if anyone can confirm its the right one for the ko3s upgrade for stage 2, thanks Part numbers are: 078 133 534 A p.s have searched but cant match the part numbers is my one...

Right iv got a cupra with k&n panel filter,full miltek system with downpipe and sports cat , samco turbo intake , forge splitter dv and a custom code phase 2 remap . Im movin house so moneys tight but im thinking of a dynatwist and a 4 bar fpr am i bein a complete spaz thinkin more air and more...