Polaris Motor Block, Type D | R0638100 Martillo O-ring seals like this one

O-ring seals like this one are commonly encountered during routine maintenance of pool pumps

Flexible Installation: The NEMA-rated box can be mounted in equipment rooms

Replacement run capacitor for motor circuits in compatible equipment

Gasket kit for SR Smith Turbo Twister

Polaris Motor Block, Type D | R0638100 Martillo O-ring seals like this oneWhat This Part Is Used For This motor block powers movement and cleaning functions in compatible Polaris robotic pool cleaners. It drives internal components responsible for propulsion. Why This Part Matters A failed motor block results in a non operational cleaner. Replacing it restores full cleaner functionality. Proper motor performance also supports consistent cleaning cycles. Key Features and Specifications Manufacturer part number: R0638100 Type