Water Distribution Housing – Fits Mercury MerCruiser 4.3L 5.0L 5.7L 6.2L Engines (Replaces 863631T1, 863444T1) family-yamaha-f25lehb Trim your outboard motor to

Trim your outboard motor to the full “up” position

Safety First: Ensure the engine is off and the boat is securely positioned on a trailer or lift

Remove the lower unit from the upper gearcase following your MerCruiser service manual procedures

Install New Gaskets: Place the new thermostat gasket and housing cover gasket in position

Replacement frequency may depend on usage

Water Distribution Housing – Fits Mercury MerCruiser 4.3L 5.0L 5.7L 6.2L Engines (Replaces 863631T1, 863444T1) family-yamaha-f25lehb Trim your outboard motor toWater Distribution Housing Fits Mercury MerCruiser 4. 3L 5. 0L 5. 7L 6. 2L Engines (Replaces 863631T1, 863444T1) This water distribution housing is a direct replacement for various Mercury MerCruiser V6 and V8 engines, including 4. 3L, 5. 0L, 5. 7L, and 6. 2L models from 1998 and newer. It is compatible with MAG and MPI variants, providing a reliable solution for your marine engine's cooling system. It directly replaces Mercury MerCruiser OEM part