Kwikset SmartKey Cylinders

Kwikset SmartKey replacement cylinders to replace defective SmartKey cylinders. Most Kwikset SmartKey Knobs and Levers use Part 83279. You can also switch to an SC1 Keyway. Most Smartkey Knobs and Levers use 85172 and most Kwikset SmartKey Deadbolts use 83373.  Other part numbers fit handlesets and other deadbolts and double cylinder deadbolts. PLEASE READ DESCRIPTIONS CAREFULLY.