Upper Gear Housing Seal Kit – Fits MerCruiser R, MR & Alpha One Gen I Drives (Replaces 26-32511A1, 18-2648) family-mercury-300hp Adjust idle and mixture settings

Adjust idle and mixture settings according to factory specifications

Model CID Stroke OEM Part No

it is recommended to inspect the impeller annually and replace the entire water pump kit every 1-2 years or every 100-200 hours of operation

Safety First: Disconnect the battery negative terminal and ensure the engine is completely cool before beginning work

A: The best way is to check your current part number against the ones listed in our cross-reference table

Upper Gear Housing Seal Kit – Fits MerCruiser R, MR & Alpha One Gen I Drives (Replaces 26-32511A1, 18-2648) family-mercury-300hp Adjust idle and mixture settingsUpper Gear Housing Seal Kit Fits MerCruiser R, MR & Alpha One Gen I Drives This comprehensive seal kit is designed for MerCruiser #1, R, MR, and Alpha One Gen I sterndrives manufactured from 1964 through 1991 (serial numbers 1684188 to D469858). It contains all the necessary gaskets, o rings, and seals to service the upper gear housing unit, preventing water intrusion and oil leaks. This kit is a direct replacement for multiple OEM and aftermarket