LiftMaster 041B4494-1 Garage 2 Conductor Bell Wire - 22ft Red Stripe You will need to purchase

You will need to purchase instead a 39057R

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Logic 4 LiftMaster Commercial Door and Gate Operators

Complete kit includes: Sprocket

This is an LA500 Rear Connector Replacement Kit

LiftMaster 041B4494-1 Garage 2 Conductor Bell Wire - 22ft Red Stripe You will need to purchaseBell Wire Kit 041B4494 1 is 22' of replacement bell wiring (2 conductor) with red stripe. This wiring kit is used to wire wall mounted door controls, terminal connections, and accessories for various garage door openers. Check the manual for your specific model number before ordering to ensure compatibility. Also known as: 41B44941, 41A44941