The cross-reference identifiers give this cartridge practical value because cartridge replacement is most reliable when it is based on established part-number matching
Designed for vinyl liner pool vacuuming
Focused replacement for board-level BP-series failures
or no longer holding the wheel correctly
That makes a correctly matched motor replacement a more efficient option than changing the complete pump
Multi-Tork 4-Lobe Clamp Knob Socket with 1/4" Bit Adapter (MT-501) topsides The cross-reference identifiers give thisMulti Tork 4 Lobe Clamp Knob Socket with 1 4" Bit Adapter (MT 501) is a service tool designed to make pool, spa, bath, or equipment maintenance easier and more efficient. It is intended for specific repair or removal tasks where using the proper tool can help reduce frustration, improve grip, and avoid damage to covers, plugs, knobs, fittings, or related service components. This tool is a practical choice for technicians, maintenance teams, or