The rack adjuster connects to the dishrack and is used to change the height of the rack. This kit includes the parts to replace the left and right-side rack adjusters and has been upgraded to a more durable metal design. This kit includes 2 adjuster assemblies, 1 left-hand and 1 right-hand actuator cover, 2 gray adjuster covers, and 2 gray adjuster housings. The most common symptoms linked with faulty rack adjusters include: leaking, door latch failure, door not closing, dishes not cleaning properly, and failure to start the washing cycle. It is recommended to replace both the right and left side adjusters at the same time.This is a genuine OEM part.