Engine Crankshaft Main Bearing Set STD Size for Mazda 626 2.0L FE/F8 (1988-1991) | M315A

Premium quality Standard (STD) Size Crankshaft Main Bearing Set, specifically engineered for Mazda 626 (GD series) equipped with 2.0L FE and F8 engines produced between 1988 and 1991. Identified by manufacturer reference number M315A, this high-precision bearing kit lines the engine block's main journals to support the crankshaft with minimum mechanical friction. Manufactured from advanced multi-layer alloy (copper-lead-tin or aluminum-tin) over a high-strength steel backing to withstand extreme rotational force, high torque loads, and thermal stress. Features accurately located oil holes and locating lugs to ensure perfect oil film retention and prevent internal bearing seizure, fully restoring factory-spec engine bottom-end reliability.