I only have this as the full mounting hardware set, which we have one left of, part 6060.250
https://www.tunze.com/US/en/details/6060.250-turbelleR-holder.html
The pumps that use these parts are generally so old that they are basically end of life, the capacitors in particular, as well as other circuit components, just only function so long, especially in 24/7 use.