Sierra International 18-2697-1 Lower Unit Seal Kit Sierra Lower Unit Seal Kit Meets or exceeds the original equipment quality Sierra part number: 18-2697-1 Interchangeable with the following: Chrysler 26-41365A3, GLM 87576, Mallory 9-74210, Mercury 26-41365A3, 26-41365A2, 26-41365A1 Fit specific, check part numbers to ensure proper fit