The ACL crankshaft main bearing set for Olds 4 144 engines (1996–2002) supplies a full set of main bearings for engine repairs and overhauls. These main shells replace worn bearings to help restore proper crankshaft clearances and support smooth rotation of the crank during reassembly, providing essential parts for bottom‑end service.
ACL Olds. 4 144 1996-02 Engine Crankshaft Main Bearing Set