High-Output Alternator Fits 1987 to 1990 YJ Wrangler with 4 or 6 cylinder engine;Fits 1981 to 1986 CJ with 4 cylinder or 6 cylinder engine;Fits 1984 to 1986 XJ Cherokee with 2.5L 4 cylinder engine;Fits 1986 MJ Comanche with 2.5L 4 cylinder engine;Serpentine belt drive;140 amp JEEP CHEROKEE (XJ) CJ5 CJ7 WRANGLER (YJ) BASE CHIEF ISLANDER LAREDO PIONEER S SAHARA SPORT 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 2.5L (151) 2.5L (150) 4.2L (258) 5L (304) GAS Mean Green Mean Green High-Output Alternator (Natural) - MG7272 MG7272 Alternators