Genuine LiftMaster K41-0551-000 replacement operator frame for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC7, JHDC7 and JHDC12 operators.
Frame casting for the jackshaft and hoist chassis.
Ordering the right part depends on the full model number, which is printed on the operator label. Call GateHouse Supplies if you are not sure — we service these units every day.