MoparPartsGiant.com offers the wholesale prices for genuine 1987 Jeep Grand Wagoneer parts. Parts like Servos - Accumulator & Valve Body are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.5L, 6 Cyl 4.2L, 8 Cyl 5.9L. Transmission: 4-Speed Manual Transmission, 5-Speed Manual Transmission, Automatic Transmission.