After CV boot change, there is a leak in the AXLE oil seal ( LEFT SIDE - DRIVER SIDE) (LEFT HAND DRIVEN VEHICLE). I am able to get axle oil seal 3200A121. Is there any O ring there ?. this also need to be replaced while changing axle oil seal ?. I cannot find this O ring any where here?.

Below is link for the transfe case and its showing there is o ring but I am not sure this goes in front of axle oil seal. How to read this drawing?

https://www.allparts.ae/cats/?articl...XTCW5W9Z702186