Home / Home Improvement / Parts / Garage Door Opener Nut 24121B05 Garage Door Opener Nut 24121B05Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 24121B05 Brand: THE GENIE CO Seller: Sears PartsDirect Categories: Home Improvement, Parts Description This nut (part number 24121B05) is for garage door openers. Follow appropriate safety practices when installing nut 24121B05.