This is a 1961 - 1964 Cadillac Rear Door Drivers Side Power Vent Window Motor. This will fit all 1961 to 1964 Cadillacs, Including Eldorado’s that have the power vent window option, but please verify this is correct for your application before buying. The motor has been disassembled, rebuilt with a new gear, cleaned and painted and is in perfect condition and will work wonderfully on your car. Good Used Original Part. Sold As Shown, As Is. Please let us know if you have any questions or if you would like any additional information. Thanks.