This is on our website. Item number 871505-00.
Direct Link (cut and paste link into browser)
https://www.renaaquaticsupply.com/API-Rena-Filstar-XL-XP4-Replacement-MotorCoilHousing-O-Rings-Assembly_p_171.html
Motor only. Take parts needed, rotor/impeller and impeller cover from old filter. Or purchase new impeller cover and rotor/impeller.
For more information visit our blog.
https://www.renaaquaticsupply.com/Technical-Support_bc_2.html