Supco SM673 Utility Motor Replaces 14077, 4673, J90SM673, AP4503247, AP94, EM673, TM702 UTILITY MOTOR - This premium quality part is a direct replacement for Robertshaw and Acme Miami 14077, 4673, J90SM673, AP4503247, AP94, EM673, TM702. PREMIUM REPLACEMENT - Supco SM673 utility motor is designed to meet or exceed OEM specifications. HIGHEST-QUALITY PARTS - Supco parts are built to last and a popular choice among repair technicians and DIYers.