LiftMaster Output Shadt Kit | LIF-K72-12557

K72-12557 is a Output Shaft Replacement Kit for use with various LiftMaster® Heavy-Duty Commercial Door Operators.

Complete kit includes:

• Output shaft, ball bearing
• Dual sprocket (48B32/48B14)
• Idler sprocket (48B32T)
• #48 chain with master link
• Shaft collar, spacers, and e-ring

Genuine LiftMaster® replacement part.