The reason different sized carriers are used, is due to the slight variations in the tolerances of the orings. The different sized carriers squeeze the orings so that the inner diameter of many different orings can be made the proper size to fit the bolt stem with minimal friction.
As long as everything stays the same, once you get the proper carrier set, it will stay that way. However, since you have developed a leak, possibly by a piece of dirt or a damaged oring, you need to change the oring. The chances of you finding the exact same size oring is very rare. So, you will need different sized carriers to compensate for the differences.
You can buy the carriers from AGD or from several of the dealers here on AO. The dealers can probably get the parts to you with cheaper shipping.
As long as everything stays the same, once you get the proper carrier set, it will stay that way. However, since you have developed a leak, possibly by a piece of dirt or a damaged oring, you need to change the oring. The chances of you finding the exact same size oring is very rare. So, you will need different sized carriers to compensate for the differences.
You can buy the carriers from AGD or from several of the dealers here on AO. The dealers can probably get the parts to you with cheaper shipping.
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