Door Arms
The LiftMaster 85503 and 85503-267 garage door openers use a DC motor with a full belt rail assembly. This model has two lights, battery back up and a camera. Use our parts diagram for reference with all available parts listed below.
The LiftMaster 85503 and 85503-267 garage door openers use a DC motor with a full belt rail assembly. This model has two lights, battery back up and a camera. Use our parts diagram for reference with all available parts listed below.
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LiftMaster 178B35 Curved Door Arm SectionSKU: 178B35$15.18Replaces part numbers: 041B0035B, 4178B0035B, 178B32,…
LiftMaster 178B34 Straight Door Arm SectionSKU: 178B34$19.97Replaces part numbers: 178B33 and 4178B00348. Compatible…
