Transfer Case (NP-205)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1988 Dodge Ramcharger, 1988 Dodge Ram Wagon, 1988 Dodge Ram Van, 1988 Dodge Pickup, and 1988 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
Engine oils labeled for API service SF or SF/CC may be used in this transfer case. SAE viscosity grade may be SAE 30.