OER Parts offers a wide selection of Battery Parts & Hardware for your 1989 Dodge Diplomat. OER Parts offers 1989 Dodge Diplomat Battery Trays, 1989 Dodge Diplomat Battery Hold Down J-Bolts, 1989 Dodge Diplomat Battery Tray Hold-Down Clamp, 1989 Dodge Diplomat Top Battery Tray Clamp, 1989 Dodge Diplomat Battery Tray Brace, 1989 Dodge Diplomat Quick Release Battery Cable Bolts, 1989 Dodge Diplomat Side Terminal Battery Cable Bolts, 1989 Dodge Diplomat Side Terminal Battery Charging Post, and 1989 Dodge Diplomat Side Post Battery Cable Terminal.