41B4103 / 41A3489 Tensioner. Trolley assembly designed to fit LiftMaster and Chamberlain garage door openers with T-rail belt drive systems. Suitable for compatible belt drive garage door opener systems.
Archivos de Item Tag:
41B4103 Tensioner Assembly with Bolt and Master Links Fit for Chamberlain | Belt
41B4103 Tensioner Assembly with Bolt and Master Links Fit for Chamberlain | Belt Opener Trolley Assembly, T-rail Belt Drive Openers, Premium Material, Wear-Resistant, Not Easy to Rust, Sturdy & Durable.