LiftMaster 41B4103 Belt Tensioner Assembly

Ensure smooth and reliable operation for your garage door with the LiftMaster 41B4103 Belt Tensioner Assembly. This replacement kit is designed to maintain optimal belt tension in belt-drive garage door openers, preventing slack, noise, and premature wear. Crafted with precision-engineered springs and durable components, it provides consistent performance. If you are replacing the belt on your Liftmaster, Chamberlain, Raynor, or Craftsman garage door operator then you may want to also include replacement of this OEM-quality part to restore factory-like efficiency to your opener. 

Features 

• Precision Tension Control: High-quality springs deliver stable, even tension to eliminate belt slack and ensure smooth, quiet door operation.
• Part no.: 41B4103
• Also uses part number: 062536, 1A5019
• OEM Replacement Quality: Genuine LiftMaster design matches original specifications for seamless fit and reliable performance.
• Includes: (1) #41B4103 Belt Tensioner 
• For use with T-rail (not square rail) assemblies

Compatibility 

• RAYNOR: Compatible with the following Raynor openers: Admiral (3850RGD), Admiral II (8550RGD/8550WRGD), Airman (3270RGD), Airman II (8155RGD / 81550RGD), Aviator (1280RGD/2280RGD/3280RGD), Aviator II (8355RGD/8355WRGD), Endeavor (2585RGD / 3585RGD), General II (WLEDRGD), Sentinel (85503RGD), Sentinel 360 (87504RGD-267), Sentinel III (84505RRGD), Voyager (84501RGD)

• LIFTMASTER: Compatible with the following Liftmaster, Sears and Craftsman openers: 1270, 1280, 1280R, 2280, 2500, 2580, 2585, 3280, 3500, 3550, 3580, 8155W, 8355, 8355W, 84501, 84504R, 84505R, 8550, 8550WLB, 85503, 85504, 8557, 87504-267, WLED (all models are not listed)