Use this LiftMaster 18-10711 commercial garage door operator disconnect spring from North Shore Commercial Door on a LiftMaster MJ Series or LiftMaster HMJ Series medium-duty jackshaft operator. This is a one-piece replacement clutch disconnect spring that's part of the operator's clutch shaft assembly. Also, shop our low prices on LiftMaster MJ and HMJ roll pins, clutch plates and other clutch assembly replacement parts.
1-piece disconnect spring for commercial garage door operator clutch assembly
Compatible with LiftMaster MJ, HMJ series commercial jackshaft operators