Suzuki - Gear Case Seal Kit - DT25c / DT30c / DF25 / DF30 - 25700-95D03 Replace or repair your Suzuki outboard seals, O-rings, and gaskets with this certified Suzuki gear case seal kit. Not intended for Suzuki DF 25 V-Twin or DF25A/30A engines. This gear case seal kit applies to the following Suzuki outboard models: DF 25 All Model Years DF 30 All Model Years DT 25c All Model Years DT 30c All Model Years