041C5141-1 Square Rail Chain Drive Trolley Assembly (Complete with Innerslide)
The Chamberlain 041C5141-1 square rail chain drive trolley assembly is compatible with all Chamberlain and Sears Craftsman chain drive garage door openers with square rails. This complete trolley assembly replacement includes an inner slide. If you have installation questions, contact our staff by email, Live Chat or phone. Product Highlights: