Liftmaster 41A7279 Live Shaft Sprocket for Model 3950

The LiftMaster 41A7279 Live Shaft Sprocket, also known as the 041A7279 Sprocket Kit, is a genuine OEM replacement part designed for the LiftMaster 3950 garage door operator. This sprocket is a vital drive system component that transfers power from the operator to the chain, ensuring smooth, consistent, and reliable door operation.

Built from heavy-duty materials, the 41A7279 sprocket is engineered to withstand demanding use in both commercial and residential applications. Its precision-cut teeth ensure proper chain engagement, reducing wear on the motor and drive system while extending the overall life of the operator.

The kit includes the live shaft sprocket and a 3-foot chain, providing everything needed for a complete replacement. With its exact dimensions and compatibility, the 41A7279 restores your LiftMaster 3950 operator to factory-level performance.

Product Highlights:

• Item#: 41A7279 (also known as 041A7279)

• Genuine LiftMaster OEM replacement part

• Designed for Model 3950 garage door operator

• Live shaft sprocket kit includes sprocket and 3 ft chain

• Ensures smooth power transfer and reliable door operation

• Heavy-duty construction for long-lasting durability

• Precision fit reduces strain on motor and drive system

Dimensions (Sprocket):

• Outside Diameter: 6-5/8 inches

• Inside Diameter: 1-1/4 inches

• Depth: 3/4 inch

• Number of Teeth: 42

• Chain Length (included): 3 feet