LiftMaster 041A5047 Garage Door Opener Bracket LiftMaster 71-6023 Chain Tensioner is

LiftMaster 71-6023 Chain Tensioner is recommended to properly tension drive chain between operator shaft and door shaft

11 ball bearing commercial grade for smoother operation

0™ LiftMaster® garage door openers enabled by MyQ® technology

If your pulley has 9 cogs use part number 041A4885-2

LiftMaster 041A5047 Garage Door Opener Bracket LiftMaster 71-6023 Chain Tensioner isDoor Bracket Kit 041A5047 is a Door Bracket Installation Kit. For use with various LiftMaster and Chamberlain Garage Door Openers. Complete kit includes: Door bracket, clevis pin, and push ring. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Also known as: 12C582, 12B198, 12B374, 062265, 41A5047, 12B3742