Designed as a direct replacement for Sub-Zero Modular icemaker 4200520. This icemaker slides in and hooks up to the existing wiring harness and lift arm. Used on Sub-Zero models 201FD, 201RIM, 211, 241, 251, 361, 501F, 511, 532, 542, 550, 561, 590, 700TCI, 700TFI, 801, 2411, 2511, 3211.