Opener Straight Door Arm4178B0034B 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 residential garage door openers. Check the manual for model number before ordering to ensure compatibility

Corrosion Resistant: Our springs are crafted with powder-coated steel coils

Left and right included (one pair)

High-Quality Springs for Sectional Garage Doors: Upgrade or replace your garage door springs with our top-notch springs designed for durability and longevity

roller nylon-without ball bearings (actual roller width 1-3/4")

gate operator

Note: Also fits openers labeled under various names such as: Sears Craftsman

Guardian Core series Model 425

243 Wire Gauge

MyQ lights

This left wound torsion spring comes in a yellow finish with a 0

It comes with winding and anchor cones pre-installed for easy installation

This can be accomplished with two sets of pliers