OE Number: 54783, HG3061J10, HG3061J10A, HG3061J10B. A/C Evaporator Core. Item Type: A/C Evaporator Core. Type Serpentine. Mazda 929 1992-1993 All Engine Aluminum. New Arrival. Material Aluminum. comprehensive and systematic product lineup that covers all core systems including Chassis, Engine, Body.