This belt is designed for specific serial number ranges of the MerCruiser 3
ensuring optimal airflow and engine performance
Installation Type: Direct bolt-on replacement
It serves as a direct interchange for Sierra 18-5775
generally from 1986 to 1993
Gimbal Bearing Oil Seal – Fits Mercruiser Alpha One Gen I & II, R/MR, Bravo I/II/III (Replaces 26-88416) 18hp This belt is designed forProduct Details This Gimbal Bearing Oil Seal Fits Mercruiser Alpha One Gen I & II, R MR, Bravo I II III (Replaces 26 88416) is engineered for a wide range of Mercruiser sterndrive applications, effectively preventing gimbal bearing grease from leaking into the bilge. It is compatible with Alpha One (Gen I & II), R MR, and Bravo (I, II, III) series models from 1978 through the current production year. This component is a direct replacement for Mercury