Upper Driveshaft Housing Seal Kit 88397A1 18-2644 26-88397A1 for Stern Drive Alpha 1 Gen 2 1998 Up

This upper driveshaft housing seal kit is intended for use with stern drive Alpha 1 Gen 2 models from 1998 and later. It includes one seal kit designated as 26-88397A1, serving as a replacement for the original component. The Sierra 18-2644 reference is also associated with this assembly, ensuring compatibility across applicable sterndrive units. The kit provides a sealing solution for the upper driveshaft housing, supporting consistent driveline performance in marine engine applications. It is suitable for outboard-related sterndrive configurations and built to meet standard marine operating requirements. Installation follows standard service procedures for efficient maintenance of the sterndrive system. Please refer to the product specifications before ordering.Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.

• Designed for stern drive Alpha 1 Gen 2 models from 1998 and up to support proper fit and function
• Direct replacement kit with part numbers 18-2644 and 26-88397A1 matching original equipment specifications
• Complete housing seal solution includes all necessary components in the 88397A1 kit for driveline integrity
• Constructed with materials suited for marine conditions to resist wear during routine service
• Simplifies upper driveshaft maintenance and helps reduce water intrusion in sterndrive systems