Genuine DD31-00013B Samsung Appliance Motor Geared Srm-36Hr 30 We ship same or next business day! Fast shipping! This part is compatible with models including; DW80H9930MO/AA-00,DW80H9950US/AA-00,DW80H9950US/AA-01,DW80R9950UT/AA-00,DW80M9550UG/AA-00,DW80H9970MO/AA-00,DW80J9945US/AA-00,DW80J9945US/AA-01,DW80M9550US/AA-00,DW80J7550UG/AA-02,DW80J7550UG/AA-01,DW80J7550UG/AA-00,DW80J7550UW/AA-01,DW80J7550UW/AA-00,DW80H9930US/AA-01,DW80H9930US/AA-00,DW80R9950US/AA-00,DW80R9950US/AA-01,DW80H9970US/AA-02,DW80M9960UG/AA-00,DW80H9970US/AA-01,DW80J7550US/AA-00,DW80R9950UG/AA-01,DW80R9950UT/AA-01,DW80H9970US/AA-00 WaterWall spray arm motor DD31-00013B turns the belt to move the WaterWall spray arm forward and backward inside the tub Genuine Original Equipment Manufacturer (OEM)...