Door Arms
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 178B35 Curved Door Arm SectionSKU: 178B35$16.42Replaces part numbers: 041B0035B, 4178B0035B, 178B32,…
LiftMaster 178B34 Straight Door Arm SectionSKU: 178B34$19.68Replaces part numbers: 178B33 and 4178B00348. Compatible…
