Fits the following vehicles: Fitnote: Left Jeep Grand Wagoneer 1984 (submodel: Base Limited) 5.9L 1985 (submodel: Base Limited) 5.9L 1986 Base 5.9L 1987 Base 5.9L 1988 Base 5.9L 1989 Base 5.9L 1990 Base 5.9L 1991 Base 5.9L Jeep J10 1979 Base 4.2L 1980 Base 4.2L Jeep J20 1980 Base 5.9L 1981 Base 5.9L 1982 Base 5.9L 1983 Base 5.9L 1984 Base 5.9L 1985 Base 5.9L 1986 Base 5.9L 1987 Base 5.9L 1988 Base 5.9L Jeep Wagoneer 1979 (submodel: Base Limited) 5.9L 1980 (submodel: Base Limited) 5.9L 1981 (submodel: Base Limited) 5.9L 1982 (submodel: Base Brougham Limited) 5.9L 1983 (submodel: Brougham Limited) 5.9L STANDARD OE REPLACEMENT AIR INJECTION TUBES Revamp your ride with the advanced design OEM-grade quality assurance and standard-setting performance offered by Standard’s OE replacement air injection tubes. Since 1919 Standard Motor Products has engineered a full line of engine management products including ignition parts sensors and on-board computers. Advanced design meets exceptional OE-level standards Sturdily constructed in TS 16949 certified facilities Broad range of import and domestic models covered Put through systematic inspection to guarantee enduring performance and quality