This is the crank case vent tube from a 1956 Cadillac. This should fit all 1956 - 1958 Cadillac's, including Eldorado, but please make sure it is correct for your application before buying it. This came from a non running parts car that sat for years. It does have surface rust, but it is still solid and does not have rust through. Sold As Is, As Shown. Please feel free to ask any questions you may have, Thanks. I have both sides listed, if you buy both sides I will combine the shipping on them.