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LiftMasterGarage Door Openers 41B3869-3 Belt Drive Trolley

Q: what is the difference between the 41B3689-3 and the 41B3689-1?

From a service bulletin:LiftMaster has recently released a new trolley kit for belt drive systems that are experiencing a twisting belt condition. The kit includes a trolley with a "D" shaped hole and matching threaded rod that prevents the trolley threaded shaft and belt from twisting. All new belt drive systems manufactured after 3/1/07 will include this new trolley kit.If you have a product currently in the field that is experiencing a twisting belt condition, please contact our Technical Support Center at (800) 528-6563 for replacement trolley kit part # 41B3869-3.

Q: Does it include inside and outside trolley pieces, adjustment screw,chain connection, tensioner and all hardware? Thanks

Hi,Yes. All related parts. Kevin

Q: is this a replace trolley for the Aviator 3280RGD model

If your Aviator is a belt unit then this is the correct trolley.

Product ID: 18673071

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Details

Brand
LiftMaster
Color
Silver
Exterior Finish
Stainless
Item Weight
0.13 Kilograms
Installation Type
Screw-In

📏Compact dimensions 0.39 in

🔧Compatible with multiple models

⚙️Lightweight at 4.6 oz

Frequently Bought Together

LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley

Lubriplate Multi-Purpose Grease for Gate or Garage Door Openers LBR-S

3-IN-ONE Garage Door Lubricant with SMART STRAW SPRAYS 2 WAYS, 11 OZ

Description

🚪 Unlock Convenience with Every Lift!

LIGHT AS A FEATHER - Weighing only 4.6 ounces, it’s easy to handle and install.
DURABLE PERFORMANCE - Built to last, ensuring your garage door operates smoothly for years.
SPACE SAVING DESIGN - Compact dimensions ensure it fits in tight spaces without hassle.
EFFORTLESS INSTALLATION - Screw-in method makes setup a breeze, no special tools required.
UNIVERSAL COMPATIBILITY - Seamlessly fits LiftMaster and Chamberlain models from 1984 to present.

The LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley is a lightweight, durable component designed for seamless compatibility with a wide range of LiftMaster and Chamberlain garage door opener models from 1984 to the present. Its compact design and easy screw-in installation make it a practical choice for any homeowner looking to enhance their garage door system.

Specifications

Recommended Uses For Product	garage door operation
UPC	640213239554
Manufacturer	Chamberlain
Part Number	41B3869-3
Item Weight	4.6 ounces
Product Dimensions	0.39 x 0.39 x 0.39 inches
Item model number	CECOMINOD068483
Is Discontinued By Manufacturer	No
Shape	Square
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

what is the difference between the 41B3689-3 and the 41B3689-1?

Is there a video anywhere showing how to replace the trolley on T rail belt drives?

Does it include inside and outside trolley pieces, adjustment screw,chain connection, tensioner and all hardware? Thanks

is this a replace trolley for the Aviator 3280RGD model

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