This is a hose chamber, or dishwasher hose pump. This part attaches to the back of the dishwasher and is the direct line for the water to get in and out during the washing cycle. This specific part prevents leaking and is very important to the machine. The user might need to replace this part if the dishwasher is leaking, if the machine is not putting in or draining water properly, or if the machine has stopped working altogether. Anyone can complete this repair with basic household tools such as a screwdriver, pliers, and working gloves. Always make sure the machine is empty of dishes and is drained of water before starting the repair. Also make sure it is unplugged from the electrical source and is turned off completely. This is an OEM part sourced directly from the manufacturer. It is sold individually. This part is compatible with machines from manufacturers like General Electric, Hotpoint, RCA, and more.Part Number WD24X10041 (AP3994768) replaces 1264001, AH1517660, EA1517660, PS1517660.