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Bleed the system by turning the steering wheel lock-to-lock several times with the engine off
3859000 Based on LeadersRPM listing
Mercury MerCruiser 120/140 Inline 4-Cylinder
ensuring optimal performance and longevity
863631T1 Manual Drain Water Distribution Housing for Mercury Mercruiser | JLM Marine family-yamaha-f150tlr Bleed the system by turningManual Drain Water Distribution Housing 863631T1 for Mercury Mercruiser Inboard This Manual Drain Water Distribution Housing is designed specifically for MerCruiser inboard engines. It serves as a critical component in your engine's cooling system, ensuring proper water flow and distribution throughout the engine block. This housing directly replaces OEM part numbers 863631T1 and 863802T2, providing a reliable aftermarket solution for your MerCruiser