ALPHA ONE BEARING EXTRACTOR 91-36569T REC91-36569T

Function and technical context

The 91-36569T Bearing Puller is a specialized shop tool designed to remove the bearings housed in the sterndrive units of Mercruiser and OMC systems. It works directly on the tail transmission group, where the bearings support the propulsion shafts subjected to continuous axial and radial loads. Its design ensures controlled and clean removal, preventing damage to adjacent transom structures or drive housing during disassembly. Without this specific tool, attempting to remove the bearings with generic tools can cause deformation of the housings, which would lead to costly additional repairs to the transmission unit. It replaces the reference GLM90270 with full compatibility, which expands its usefulness in nautical workshops with different supply sources.

When to use this extractor?

This extractor is used whenever worn bearings are detected in the transmission unit, the usual symptoms of which include abnormal vibration in the propulsion shaft, bearing noise during navigation, excessive play in the propeller shaft or lubricant leaks from the associated seals. It is recommended to check the condition of the transmission bearings at each seasonal inspection or after periods of intensive use, especially on boats that operate in water with sediment or sand. Having this tool in the workshop allows you to undertake the preventive replacement of bearings at the right time, avoiding serious breakdowns in the transmission unit that could immobilize the boat.

Mercury/MerCruiser

Equivalent manufacturer part numbers