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ACL crankshaft main bearing set for Mazda six-cylinder engines, covering displacements 3784–4052cc and engine codes YA/XB/ZB for 1969–1988 applications. This main bearing set supplies replacement shells used during rebuilds or repairs to restore correct crankshaft clearances and rotational support. Ideal for maintenance tasks that require precise main bearing fitment to maintain reliable crank operation.
ACL Mazda 6 3784-4052cc YA/XB/ZB 1969-88 Engine Crankshaft Main Bearing Set
