The Case IH 1901804 is a genuine OEM main bearing set, specifically designed with a -0.254mm undersize. This critical engine component ensures proper crankshaft rotation and is compatible with a wide range of Case IH JX series (JX1070N, JX1075N, JX1080U, JX1085C, JX1090U, JX1095C, JX1100U, JX55, JX60, JX65, JX70, JX75, JX80, JX85, JX90, JX95, JXU105, JXU75, JXU85, JXU95) and New Holland TD, T4, and TN series (TD5010, TD5020, TD5030, TD5040, TD5050, T4020, T4030, T4040, T4050, T4020V, T4030F, T4030V, T4040F, T4040V, T4050F, T4050V, TL100A, TL70A, TL80A, TL90A, TN55, TN60A, TN60DA, TN60SA, TN60VA, TN65, TN70A, TN70DA, TN70SA, TN70VA, TN75, TN75A, TN75DA, TN75SA, TN75VA, TN80F, TN85FA, TN90F, TN95F, TN95FA, T4.105, T4.75, T4.85, T4.95) tractors and agricultural equipment. Manufactured to precise specifications for optimal performance and durability.