This is a new old stock auto part NOS for vacuum door motor Fits 1967 1968 1969 1970 for musstang and mercury cougar with factory internal air conditioning. This in book is called a recirculating air door . Ford part cast into arm of motor is # C9AA 18A318 A
listed as fitting
- 1967 1968 1969 1970 ford mustang mercury cougar
