The Case IH 3055130R21 is a genuine OEM main bearing shell set designed for the crankshaft in a wide range of Case IH and New Holland agricultural tractors and machinery. This critical engine component ensures smooth crankshaft rotation and proper lubrication, contributing to engine longevity and performance. Manufactured to strict OEM specifications, it guarantees precise fitment and reliable operation for models including Case IH CX, JX, MXM, MXU, Puma, Quantum series, and New Holland T, TD, TL, TN, TS, TT series.