UT3872 IPTO Driven Gear---Replaces 528677R1

Replaces number 528677R1

58 Tooth

Fits: 1066 before sn 22999, 1456, 1466 before sn 14999, 1468 before sn 8999, 756 Farmall after sn 17636, 756 IH after sn 8425, 766 Diesel before sn 8999, 826, 856 Farmall after sn 27287, 856 IH after sn 9493