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The ACL crankshaft main bearing set superseded by the listed replacement part supplies the main shells used to support the crank in an engine rebuild. When a supersession is noted, use the current referenced part number as the direct replacement during bottom-end service. These main bearings restore correct oil clearance and axial control to recover smooth rotation and reduce wear on crank journals.
ACL SUPERCEDED BY 4M7295A-.25 - ACL AMERICA Engine Crankshaft Main Bearing Set
