This Stellar 55126 valve coil is specifically designed for use with Stellar model 3315, 4420, and 4421 cranes that were manufactured after 2010. It features a Deutsch style 2-pin connector, which is easily recognized by its distinct square shape, and is intended to be located on the function valves within the main crane valve bank. This essential component ensures proper operation for compatible Stellar crane models, providing a reliable replacement part.