Power Cord Double Lead- Singer #747962-002
-New replacement 4 prong power cord.
-Best and longest cord available
-Fit models 337, 338, 347, 348, 457, 477, 478, 488, 500A, 503A, 600, 603, 603E, 604
-Replaces part # 988332-007, and 97991-004
-110/120 volt