- GLM P/N 25110 replaces OEM 31-803068T1 or Sierra 18-8207
- Compatible with 1970 - 1983 Mercruiser lower
units the drive shafts with a pre-load pin on the top
- Works with the MC-1 and R models with serial numbers 2791957
- 6225576
- Includes all parts shown in picture below, and all seals gaskets and shims
- *Note - the upper bearing
in this kit is 21570 or Mercury 31-53079A1
- Tech support Exploded view drawings
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