The McCormick 3690654M91 is an original equipment manufacturer (OEM) fitting designed for use in McCormick agricultural machinery. This genuine part ensures proper connection and function within hydraulic or fluid systems, maintaining the integrity and performance of your tractor. It is compatible with a range of McCormick MC and MTX series tractor models, including MC100, MC105, MC115, MC120, MC130, MC135, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, and MTX200.