This is a Master Link, #40 Replacement Kit. For use with various LiftMaster Commercial Door Operators. Complete kit includes: #40 Chain link, master link, and clip. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

Also known as: 19-5040, G195040, 195040, AH125, 19-40ML, 1940ML, 19-50310, MG4100472

Genuine LiftMaster replacement part.

This is a Master Link, #40 Replacement Kit. For use with various LiftMaster Commercial Door Operators. Complete kit includes: #40 Chain link, master link, and clip. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

Also known as: 19-5040, G195040, 195040, AH125, 19-40ML, 1940ML, 19-50310, MG4100472

Genuine LiftMaster replacement part.