A-MB155-AI Bearing Set, Main (Std) model-S4A -Inlet Inside Diameter - 3

-Inlet Inside Diameter - 3 3/4"

CaseIH: 1680770267

12-31-7-613-445

Also fits Yanmar Compact Tractor Models: YM1500

-Arrowhead: SBO0269

A-MB155-AI Bearing Set, Main (Std) model-S4A -Inlet Inside Diameter - 3One New Aftermarket Replacement Main Bearing Set (Standard Size) Fits Ford New Holland Tractors This standard size crankshaft main bearing set is a direct aftermarket replacement Fits Ford and Fits New Holland tractors equipped with the Genesis 6. 6 Diesel, PowerStar 7. 5 Diesel, and PowerStar 7. 5T Diesel engines. Main bearings support the crankshaft within the engine block and are a critical component in engine rebuild and overhaul applications.