The new 37845R.S screw drive carriage is for use with newer screw drive openers. This is an original equipment replacement part is for newer screw drive garage door openers only. Replace this part when the teeth inside that connect to the screw inside the rail get damaged. This allows for smooth operation of running the door up and down the rail.
Use With Genie Opener Models: 2562, 2564, 2568, 3062, 3064, 4064, 4062, 4063
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