MoparPartsGiant.com offers the wholesale prices for genuine 1989 Jeep Cherokee parts. Parts like Brake Master Cylinder are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.1L Diesel, 4 Cyl 2.5L, 6 Cyl 4.0L. Transmission: 4-Speed Automatic Transmission, 5-Speed Automatic Transmission, 5-Speed Manual Transmission.