LiftMaster Front Idler Assembly

LiftMaster Commercial Trolley Operator Front Idler Assembly

$38.78
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LiftMaster Front Idler Assembly

LiftMaster Commercial Trolley Operator Front Idler Assembly

7510174
$38.78
Shipping calculated at checkout.

Replace a worn or damaged front idler assembly on a compatible LiftMaster commercial trolley operator. This assembly supports the operator’s drive system at the front of the rail and helps maintain correct movement and alignment.

Published Compatibility:

  • LiftMaster T33

  • LiftMaster T3311

  • LiftMaster T50

  • LiftMaster T5011

  • LiftMaster T75

  • LiftMaster T7511

  • LiftMaster MT3311

  • LiftMaster MT5011

Compatibility depends on the complete operator model and production configuration. Verify the model number from the operator identification label and compare the existing assembly before ordering.

Inspect the rail, trolley, drive chain or belt, sprockets, mounting points, and related hardware during replacement. Correct tension and alignment are necessary for safe, reliable operation.

Disconnect and lock out electrical power before servicing the operator. Secure the door independently and have installation completed by a qualified commercial door technician.

LiftMaster Commercial Trolley Operator Front Idler Assembly
Replacement front idler assembly for selected LiftMaster T and MT commercial trolley operators.

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.