Johnson Pump Water Pump Impellers, 57 mm Diameter

Widths differ from 31.6 to 48.2 mm

JOH09-1027B is listed at 31.6 mm wide, compared with 48.2 mm for JOH09-812B. Width is a separate selection detail within this group. Retain the exact reference when comparing the impeller with the pump specification and original part.