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The ACL main bearing set for Nissan SD20–SD25 engines lists displacements of 1,991–2,488cc and covers 1980–1987 applications. It provides the crankshaft main shells required when replacing worn bearings during engine overhauls to restore correct journal support. Use this set for direct replacement in the specified SD-series diesel engines to return the crankshaft to proper operating clearances.
ACL Nissan 4 1991-2488cc SD20-SD251980-87 Engine Crankshaft Main Bearing Set
