AUNMAS 41B3869-1 41B3869-3 Heavy Duty Alloy Steel Garage Door Opener Complete Trolley Assembly Fit for Belt Driven Garage Door Openers

Specification: Item Type: Garage Door Opener Complete Trolley Assembly Replacement Parts Numbers: 041B3869-3A, 41B3869-1, 41B3869-3, 41B3869, 41B3869-3a Material: Alloy steel Compatible Brands: Fit for LiftMasters and fit for Chamberlains brand garage door openers from 1984 to the present Compatible Model: 1270, 1280, 1280R and 2280. 2580, 2500, 2500B, 2500D, 2585, 8100, 8100M, 8200, 9200, WD822K, WD922K, WD912K, WD912KS, WD822KS(not all model are listed) How to Use: Directly replace and use packing list: 1 x Garage Door Opener Complete Pulley Assembly 11 x Installation Accessories Notice: Before placing an order, please refer to the manual or the replacement parts drawing to understand the specific parts information to ensure compatibility.

• [Supports Multiple Oems] Compatible with various oems such as 041b3869-3a, 41b3869-1, and 41b3869-3, providing versatility for installation.
• [Obstacle Stop Function] Ensures safety: automatically halts if an obstacle is encountered, preventing accidents and protecting family members.
• [Accurate Alignment Design] Unique trolley design keeps the garage door precisely aligned on the rail to prevent wear and damage.
• [Compatible with Various Model] Suitable for liftmasters & chamberlains model from 1984 onwards, including 1270, 1280, 1280r, 2280, and more.
• [Extended Service Life] Significantly prolongs the lifespan of your garage door through reliable performance and durable construction.