Best Seller | 1974-1988 Jeep J10 Radiator Cap - API Jeep J10 Radiator Cap. Brand: API. Fits Years: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88. Radiator Cap -- Standard; 16 lb - 15781-07603188 more | | $3.97 go to store |