LiftMaster CHAINTENSDC MAXUM Chain Tensioner Kit 7.5 ft arm A factory-compatible replacement that fits

A factory-compatible replacement that fits seamlessly into your existing system

Available in Royal Blue

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LiftMaster CHAINTENSDC MAXUM Chain Tensioner Kit 7.5 ft arm A factory-compatible replacement that fitsLiftMaster CHAINTENSDC MAXUM Chain Tensioner Kit CHAINTENSDC is a Chain Tensioner Kit. For use with various LiftMaster MAXUM DC Standard Duty and Industrial Duty Commercial Door Operators; manufactured after 2023 only. Refer to the installation manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster service kit.