1963, 1964, 1965, 1966, 1967, 1968, 1969, and 1970 Riviera models. The fuel sending unit has 2 ports. This is the correct sending unit for AC (air conditioning) cars. 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, and 1970 LeSabre, Invicta, Wildcat, and Electra 225 models.
