LiftMaster Pulley (8"x5/8" 4L Belt) | LIF-K17-2001 4200xl swing gate Technopolymers: The combined use of

Technopolymers: The combined use of metal and plastic-technopolymer gears provides the perfect engagement between the surfaces

OPEN/CLOSE/STOP allows complete control of the door

This is a replacement Reset Switch

Smart Charging: The FAA-3545

LiftMaster Pulley (8"x5/8" 4L Belt) | LIF-K17-2001 4200xl swing gate Technopolymers: The combined use ofLiftMaster Pulley (8"x5 8" 4L Belt) LIF K17 2001 This is a replacement Pulley (8"x5 8" 4L Belt). Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster G172001 LiftMaster 17 2001 LiftMaster 172001 Compatibility LiftMaster BG770 Barrier Gate Operator LiftMaster BG790 Barrier Gate Operator