The Cat 4591976 shim is an authentic OEM component designed for accurate adjustment and spacing in a wide range of Caterpillar machinery. Manufactured to precise specifications, this shim measures 88.9 mm in length, 88.9 mm in width, and 2.032 mm in height, with a weight of 0.018 kg. It is crucial for maintaining proper clearances and operational efficiency in compatible articulated trucks, wheel loaders, excavators, motor graders, and other heavy equipment.