Fan Pulley Fits 1987 to 1991 XJ Cherokee;Fits 1987 to 1991 MJ Comanche;4.0L 6 cylinder engines;Mounts to water pump;4.57 diameter;Smooth;Fan Pulley JEEP CHEROKEE (XJ) BASE BRIARWOOD CHIEF LAREDO LIMITED PIONEER SPORT 1987 1988 1989 1990 1991 4L (242) 4L Power Tech (242) GAS Crown Automotive Crown Automotive Fan Pulley - 53010309 53010309 Water Pump Pulley