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Straight Door Arm

4178B0034B

Straight Door Arm

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$6.90 USD PLUS SHIPPING AND TAX

This part replaces the following legacy part #'s : 178B33, 178B34, 12385041783

4178B0034B is a straight door arm replacement kit. The straight arm when paired with the curved arm, connect the garage door to the garage door opener trolley. This straight door arm section is compatible with most LiftMaster® residential garage door openers. Check the manual for model number before ordering to ensure compatibility.

 

Genuine LiftMaster® replacement part.


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