Mercury - Regulator assy - 809163 MerCruiser-8-1L-MCM--MIE-2017 Specifically formulated to help prevent

Specifically formulated to help prevent failures due to water entering the gear housing

This 4-cycle oil is blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the stress endured by sterndrive and inboard engines

If it calls for part number 8597721

Built around an incredibly durable two-piece interlocking sliding design

The connector and mounting point are simple and accessible

Mercury - Regulator assy - 809163 MerCruiser-8-1L-MCM--MIE-2017 Specifically formulated to help preventThis product has been superseded by: 811883T Regulator assyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.