Mercury/MerCruiser 863631T1 Water Distribution Housing

Mercury/MerCruiser 863631T1 is a water distribution housing for compatible MerCruiser standard-cooling drain systems. Sources identify it as an OEM water distribution housing assembly. Verify engine serial number, drain system type, plug condition, and gasket/O-ring requirements before installation.

Mercury/MerCruiser 863631T1 Water Distribution Housing is listed in the Laken Water Sports marine parts catalog for online ordering and Phoenix-area pickup. Confirm fitment, availability, and pickup timing with the parts team before ordering when compatibility is critical.

Fitment notes: Cooling-system housing; verify MerCruiser serial number and drain system.