LiftMaster K081C0168 Screw Drive Rack Replacement Kit – 81C168
LiftMaster K081C0168 Screw Drive Rack Replacement Kit – 81C168
LiftMaster
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The LiftMaster K081C0168 Screw Drive Rack is a replacement component for select LiftMaster and Chamberlain screw-drive garage door openers. The rack engages with the opener’s screw-drive system to move the carriage along the rail during opening and closing.
A worn or damaged rack may cause the opener carriage to slip, grind, skip or stop moving correctly. Replacing the damaged rack can restore proper engagement and smoother opener travel when the remaining rail and drive components are in serviceable condition.
Features
• Replacement screw-drive rack assembly
• Designed for select LiftMaster and Chamberlain screw-drive openers
• Helps restore proper carriage movement along the opener rail
• Replaces worn, stripped or damaged rack components
• Also referenced as 081C0168 and 81C168
Compatibility
Compatible with select LiftMaster and Chamberlain screw-drive garage door openers that specify part number K081C0168, 081C0168 or 81C168.
Not compatible with LiftMaster models 3130 or 3240. These models require screw-drive rack K081C0275.
Always verify the opener model number and replacement-parts diagram before ordering. Similar-looking screw-drive racks are not necessarily interchangeable.
Common Signs of a Worn Rack
• Grinding or clicking during opener operation
• Carriage moves unevenly or skips
• Motor runs but the carriage does not travel correctly
• Visible worn, cracked or stripped rack teeth
• Garage door stops before completing its travel
Package Contents
• One LiftMaster K081C0168 screw-drive replacement rack
Installation & Safety
Disconnect electrical power to the garage door opener before servicing the rail or drive system. Inspect the screw drive, carriage, rail and related components for damage or excessive wear before installing the replacement rack.
The garage door should move smoothly and remain properly balanced when operated manually. A binding or improperly balanced door can place excessive stress on the opener and damage the replacement components.
LiftMaster K081C0168 Screw Drive Rack Replacement Kit | 81C168
Replacement LiftMaster K081C0168 screw drive rack for select LiftMaster and Chamberlain garage door openers. Also known as 081C0168 and 81C168. Not compatible with models 3130 or 3240.
Details
Need Help With Compatibility?
Not sure if this is the correct part for your garage door, operator, gate system, or application? Contact Us before ordering — we’re happy to help.
Garage-DoorParts.com carries a large selection of residential and commercial parts, and many components can look similar while having important differences in dimensions, model numbers, voltage, mounting, or compatibility.
For the best assistance, please provide as much information as possible, including the manufacturer, model number, part number, door or operator type, dimensions, and clear photos of the existing part or equipment.
Our goal is to help you identify the correct product before you order and reduce the possibility of ordering an incompatible part.
Contact Us with your product questions and compatibility information, and we’ll do our best to point you in the right direction.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
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