Pulleys, Opener
The Chamberlain B1381, B1381T, B1381C and B1381TC garage door openers use a DC motor with a full belt rail assembly. This model has two lights, wifi and lock (B1381T and B1381TC only). Use our parts diagram for reference with all available parts listed below.
The Chamberlain B1381, B1381T, B1381C and B1381TC garage door openers use a DC motor with a full belt rail assembly. This model has two lights, wifi and lock (B1381T and B1381TC only). Use our parts diagram for reference with all available parts listed below.
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LiftMaster 144C54M Belt Drive Square Rail Idler PulleySKU: 144C54M$8.09LiftMaster 144C54M Belt Drive Square Rail Idler Pulley
