Unfortunately, spare parts are no longer available for the ‘90s-‘00s legacy forks, as they have been out of production for many years.
For suspension, we produce about three years in support parts once a fork model has been discontinued, which gives about a 5-year availability for service items available in the marketplace. The ’90s-'00 version forks are well beyond their limitations for support.
While parts are not always available, RockShox Rider Support can help look into your specific fork and see if any options for repair or replacement exist.