The LiftMaster G1708 8‑Foot Chain Drive Rail Assembly is a one-piece rail designed for use with compatible LiftMaster and Chamberlain chain drive garage door openers, delivering smooth and reliable operation for 8 ft (2.4 m) doors. Always consult your opener’s manual for compatibility before ordering to ensure proper fit and optimal performance.
One-piece 8 ft chain drive rail assembly suitable for residential garage doors up to 8 ft tall
Provides stable, dependable operation with compatible LiftMaster and Chamberlain chain drive openers
Also known by alternate part numbers: MR1708LM, MR1708AC, 1708PL, 1708LM, 012381170883, 1708AC
Compatible with LiftMaster opener models 84602 and 8365W‑267