The Case IH 48548D is an authentic OEM washer, precisely engineered for a wide range of Case IH agricultural and construction equipment. With an inner diameter of 12.7 mm, an outer diameter of 25.4 mm, and a thickness of 1.6 mm, this washer ensures correct spacing, distributes load evenly, and prevents component loosening. It is a critical component for maintaining the integrity and performance of assemblies in numerous tractor and machinery models, including Farmall, Maxxum, Puma, JX, CX, and Quantum series.