The Marathon 0.75 HP [11.6A] [56J/CF] Pool Motor is a replacement motor used to bring an existing pump or bath system back into service without replacing more plumbing than necessary. It is intended for customers who need a specific replacement part rather than a broad, universal workaround. Because many pool and spa systems use similar-looking components with small dimensional or model differences, this item should be matched by the visible part number, brand, connection size, color, electrical rating, or equipment series whenever those details are available.This pump motors item from Marathon Electric is useful during maintenance, rebuilds, leak repairs, equipment troubleshooting, or seasonal service when the original component no longer performs as expected. Match horsepower, voltage, frame, service factor, shaft style, and mounting details against the motor nameplate and pump assembly before installation. If the existing assembly has been modified over time, compare the old part side by side with the product title and part number 5U171 before installing. Designed for use as a pump motors replacement in compatible pool, spa, bath, or equipment applications Helps restore proper fit, function, sealing, flow, control, or equipment operation depending on the original assembly Best matched by manufacturer, model series, dimensions, rating, color, and part number 5U171 A practical choice for service technicians, maintenance teams, and homeowners replacing a specific worn component Confirm compatibility before installation, especially when multiple versions of a similar part exist