This LiftMaster 41D3485 garage door opener chain assembly for 10 ft. tall doors from Garage Door Supply Co. will fit T-rail residential garage door openers by LiftMaster, Chamberlain, Raynor and other brands. To learn if this replacement part is compatible with your garage door operator, consult your owner's manual. Or contact our friendly, knowledgeable staff at our family-owned American company.Product Highlights: