Jandy CV/DEV Series Cartridge Filter Threaded Rod and Retainer | R0357500 Channel Drain Standard Covers ONLY That part itself is small

That part itself is small and has four openings where the screws can be fitted and locked into place allowing no movement for the support bracket or the gearbox itself

and 1 shim

this model is a strong choice

Pentair Kreepy Krauly E-Z Vac Bearing Washer (K12087)

Jandy CV/DEV Series Cartridge Filter Threaded Rod and Retainer | R0357500 Channel Drain Standard Covers ONLY That part itself is smallJandy CV DEV Series Cartridge Filter Threaded Rod and Retainer R0357500 This clamp ring knob assembly is designed to use with Zodiac CV and CL series cartridge pool and spa filter models CV340, CV460, CV580, CL340, CL460, CL580 and also compatible with Zodiac Jandy DEV and DEL series D. E. pool and spa filter models DEV48, DEV60, DEL48, DEL60. Includes threaded rod and retainer.