James M Parker , TX December 17, 2022 Appliance: General Electric Dishwasher CDT835SSJ2SS Ge Dishwasher Cdt835ssj2ss: Broken parts. How to replace Dishwasher Spray Arm Hub. We replaced the broken Lower Spray Arm and Hub with new parts. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes