This part does NOT come with installation instructions. This belt connects the drive motor to the drive system. This original GE Dryer Drive Belt originally shipped with the following GE devices: NJLR473GT0WB, DDG8585SAMWW, DDG5180RALWW, DDG7180SBLWW, DLL1550BAL This is a true GE part! This item is NEW! Don't see your model number? Send us a message as we are happy to help!