Original motor 20V 6 teeth for WORX WU550 WX550.9 WU550.9 WX550 50031477 RZ-735VA-9517 cordless reciprocating saw spare parts Original motor 20V 6 teeth for WORX WU550 WX550.9 WU550.9 WX550 50031477 RZ-735VA-9517 cordless reciprocating saw spare parts. Sale price : $35.55 Category : Tools