ACL main bearing set for Mazda 1998cc diesel four‑cylinder engines, applicable to 1984–1987 models. The set supplies matched crankshaft bearings to restore proper oil clearance and journal support during overhaul work. Select this bearing set when main bearings require replacement to return the crankshaft to correct running tolerances.

ACL Mazda 4 1998cc Diesel 1984-87 Engine Crankshaft Main Bearing Set