OTTO Excavator Parts Paa03 4Jg1 Diesel Grid Steel Pipe 8973059430 897305-9430 8-97305943-0 For Isuzu A diesel grid steel pipe, which is suitable for Isuzu engines, including the Paa03 and 4Jg1 models. It is identified by three part numbers: 8973059430, 897305-9430, and 8-97305943-0. These parts are engineered to satisfy the operational requirements of OTTO excavators equipped with Isuzu engines, helping to maintain the normal functionality of the diesel system associated with the grid structure.