Carvin Magnum Force 12" [02 03+] Pump Basket (16113409R) heaterparts Replacing the cartridge on a Replacing the cartridge on a normal maintenance schedule also helps reduce strain on circulation equipment and can improve overall water care results and this Jacuzzi Vinyl Liner Return Eyeball is designed for compatible applications where the original insert has cracked The 12 inch format and 2002 2003 plus compatibility give this basket its practical value because debris catching parts work best when they match the original pump housing closely That keeps the repair efficient while restoring one of the most frequently inspected and maintained components of the pump