Komatsu Front Wheel Drive Ring Gear, 145-15-42621

45001-Up (D65A-8R), 40001-Up (D65P-7R), 45001-Up (D65P-8C), 45001-Up (D65A-8C), 45001-Up (D65E-8C), 40001-Up (D65P-7C), 45001-Up (D65P-8R), 50001-Up (D75A-1C), 15001-Up (D75S-5C), 50001-Up (D65A-10R), 50001-Up (D65P-10R), 50001-Up (D65A-11R), 50001-Up (D65P-11R)

replaces 145-15-42621