020B0018 is a Drive Belt Replacement Kit (295-5M, 5mm-PITCH, 9mm-WIDE). For use with various Chamberlain® and LiftMaster® Screw Drive Garage Door Openers. This product has been discontinued and/or is no longer available. Please locate your model number and/or check the owner's manual for serviceable information.
Visit Get Support for assistance and/or replacement options.