This is a brand new boom ram seal kit (JCB Ref 991/00130) that will fit various JCB models. If you are unsure if this fits your machine please provide your serial number and we can confirm if this part is correct for your machine.
Fits:-
3C, 3CX, 4CX, 5CX, 520, 530B, 818, 814, 406, 407, 408, 409, 410, 412, 415, 420, 430