The Cat 3892590 SHIM is an authentic OEM Caterpillar component designed to provide accurate spacing and alignment within machinery assemblies. This genuine shim measures 38.1 mm in width, 38.1 mm in height, and 3.81 mm in length, with a weight of 0.0045 kg. It is compatible with a wide range of Cat equipment, including articulated trucks, excavators, track-type tractors, wheel loaders, wheeled excavators, wheel tractor-scrapers, wheel dozers, and wheel skidders.