LiftMaster K144C0056 Chamberlain Chain Square Rail Idler Pulley LiftMaster K144C0056 Chamberlain Chain Square Rail Idler Pulley

Square Rail Idler Pulley K144C0056 is a square rail idler pulley replacement. Compatible with various chain drive garage door openers that utilize a square rail. Check the manual for your...

Square Rail Idler Pulley K144C0056 is a square rail idler pulley replacement. Compatible with various chain drive garage door openers that utilize a square rail. Check the manual for your...