Technical: Liftmaster original replacement trolley carriage assembly for chain drive garage door openers. All steel construction original part #41A3489 Compatibility: Works with most chain drive Liftmaster, Sears Craftsman garage door...
Technical: Liftmaster original replacement trolley carriage assembly for chain drive garage door openers. All steel construction original part #41A3489 Compatibility: Works with most chain drive Liftmaster, Sears Craftsman garage door...
$49.95