LiftMaster K75-40068 Idler Sprocket Kit for SL505 Operator non-monitored This trolley body houses the LED lighting for visibility vkg-l3 Select Model:8 ft Clearance 4602-012

This trolley body houses the internal trolley wheel system

This kit is used during repair or maintenance to restore the operator’s mounting hardware

Installation: Internal system component replacement

The Doorking 1834-010 is a genuine replacement control board engineered for use with specific Doorking® 1834 telephone entry models

LiftMaster K75 40068 Idler Sprocket Kit for SL505 Operator non monitored This trolley body houses the LED lighting for visibility vkg l3 Select Model:8 ft Clearance 4602 012 This trolley body houses the internal trolley wheel system This kit is used during repair or maintenance to restore the operator’s mounting hardware