The John Deere H142143 is a genuine OEM pulley designed for optimal performance in John Deere agricultural machinery. This robust pulley, also known as a sheave, is a critical component for the tailings and clean grain elevator systems in various combine models including the 9400, 9410, 9500, 9500SH, 9510, 9510SH, 9600, and 9610. It also fits 9900 series cotton pickers such as the 9960, 9965, 9970, and 9976. Manufactured to John Deere's rigorous standards, this part ensures reliable operation and proper belt tensioning within the machine's drive systems. With dimensions of approximately 152.4 mm length, 152.4 mm width, and 76.2 mm height, and weighing around 0.45 kg, it is built for durability and precise fit.