The John Deere AL117818 Lamp is an original equipment manufacturer (OEM) part designed for the frame annunciator work light system on various John Deere 6000 and 7000 series agricultural tractors. This genuine lamp ensures proper illumination and functionality for critical work light applications. Part AL117818 has been superseded by John Deere part number AL159424, which is the direct replacement. It provides reliable performance for models including 6100, 6200, 6300, 6400, 6506, 6600, 6800, 6900, 6510, 6610, 6810, 6910, 6010SE, 6110SE, 6210SE, 6310SE, 6410SE, 6520, 6620, 6820, 6920, 6920S, 6020SE, 6120SE, 6220SE, 6320SE, 6420SE, 6520SE, 6620SE, 7200, 7400, 7600, 7700, 7800, 7210, 7410, 7510, 7610, 7710, 7810, 7220, 7320, 7420, and 7520.