LiftMaster 041C4470 ATS CSO Chain Drive Gear & Sprocket Kit Battery bracket not included

Battery bracket not included

S505AL Monitored Small Profile Resistive Edge pressure-sensitive edge stops and/or reverses gate when obstructed

Chamberlain and Sears Craftsman garage door openers (315Mhz Frequency only)

CPS-RPEN4) or a monitored edge (OES) to a non-monitored operator

LiftMaster 041C4470 ATS CSO Chain Drive Gear & Sprocket Kit Battery bracket not includedLiftMaster 041C4470 ATS CSO Chain Drive Gear & Sprocket Kit Product Features This Gear and Dual Sprocket kit is a quick fix when your nylon gear strips or bearings go bad. How you know this is your problem; 1. The motor runs but the chain does not move. 2. When the cover is removed white powder like snow fills the bottom of the cover. 3. Or gray dust is piled on top of the gear indicating bearing failure. Product Description For LiftMaster ATS Chain