The ACL main bearing set is an engine crankshaft main bearing set referenced as superseded by part 4M8063A-1.00 for Toyota applications. It provides the matched main shells required when rebuilding or servicing the crankshaft main journals. Confirm the superseding part number and check vehicle-specific fitment data before ordering to ensure the correct journal sizing and compatibility for your engine.

ACL SUPERCEDED BY 4M8063A-1.00 - TOYOTA Engine Crankshaft Main Bearing Set