OTTO Excavator Parts Nkr77 4Jh1 Eccentric Shaft Tooth 8972400120 897240-0120 8-97240012-0 For Isuzu The OTTO Excavator Parts Nkr77 4Jh1 Eccentric Shaft Tooth (Part Number: 8972400120) is a critical component designed for Isuzu engines, ensuring precise functionality and durability in heavy-duty excavator applications.