• Product function: The Compatible with LiftMaster and ChamberlainGarage Door Openers 41B4103 tensioner is used to adjust the tightness of garage door belt and tighten the loose and drooping garage door belt.
• Compatibility:41B4103 Tensioner Assembly Compatible with LiftMaster and Chamberlain Garage Door Openers,41B3869-1 & 41B3869-3 Garage Door Openers,41C5141-1 & 41C5141-2 Garage Door Opener Trolley
• Perfect tension: Seiko-made springs on the 41B4103 tensioner can provide stable and perfect tension for your garage door drive set, making the use of your garage door extremely smooth.
• High-quality material: this Garage Door Openers Tensioner is made of high-quality metal, with high strength and long service life. The spring can maintain its elasticity in long-term use.
• Simple installation: when you need to use Compatible with LiftMaster and Chamberlain Garage Door Openers Tensioner, you only need a wrench and a flat screwdriver, which can be easily completed in just a few minutes.