The ACL main bearing set for Mazda 4 1998cc diesel engines (1984–1987) is a crankshaft main bearing kit that replaces worn main bearings during an engine overhaul. Offered as a complete set, it’s intended for rebuilding or repairing the specified Mazda diesel engines, restoring bearing clearances and crankshaft support to return engines to reliable running condition.
ACL Mazda 4 1998cc Diesel 1984-87 Engine Crankshaft Main Bearing Set