Booster Type: Vacuum. 1994 - 1997 Dodge Ram 1500. 1994 - 1997 Dodge Ram 2500. 1994 - 1997 Dodge Ram 3500. Adopting OE original design, it has good oil filling and air release performance. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.