Samsung Dishwasher Waterwall Spray Arm Motor And Nozzle Assembly DD97-00216A 2.50 x 6.00 x 7.50 Genuine OEM. This is a Genuine OEM Samsung part. Basic InformationPart Name: WaterWall Spray Arm Motor and Nozzle AssemblyManufacturer: SamsungCategory: Dishwasher ComponentPrimary Function: This assembly moves the WaterWall spray arm forward and backward across ... - Samsung Dishwasher Waterwall Spray Arm Motor And Nozzle Assembly DD97-00216A 2.50 x 6.00 x 7.50 Genuine OEM.