Defrost Timer Specifications This refrigerator defrost timer will cycle for twenty-five minutes after every six hours of run time. The timer itself is made of plastic, but its terminals are bent and the leads are external.This part works with the following products: Refrigerator, Freezer. This part works with the following products: Hotpoint, General Electric. Part# WR9X480 replaces these: AP2635477, 3470, WR09X0282, WR09X0297, WR09X0308, WR09X0309, WR09X0310, WR09X0316, WR09X0330, WR09X0332, WR09X0335, WR09X0336, WR09X0340, WR09X0341, WR09X0346, WR09X0368, WR09X0370, WR09X0421, WR09X0440, WR09X0480 , WR09X5117, WR9X282, WR9X297, WR9X308, WR9X309, WR9X310, WR9X316, WR9X330, WR9X330B, WR9X330R, WR9X332, WR9X335, WR9X336, WR9X340, WR9X341, WR9X346, WR9X368, WR9X368R, WR9X370, WR9X370R, WR9X421, WR9X440, WR9X5117