labwork Water Distribution Housing Assembly Replacement for MerCruiser 863631T1, with Blue Plugs

Product Description Replace a damaged or leaking water distribution housing with this direct-replacement assembly for selected MerCruiser inboard and sterndrive applications. The precision-machined aluminum housing is designed to provide a secure seal and help reduce coolant or water leakage. Compatibility MerCruiser 5.0L MPI / Bravo MerCruiser 350 MAG MPI / Bravo MerCruiser 350 MAG MX 6.2L MPI MerCruiser 350 MAG MPI Horizon MIE MerCruiser 5.7L MPI MerCruiser 5.7L MPI Horizon MIE MerCruiser 5.7L MPI Towsport with Gen III MerCruiser 6.2L MPI MIE / EC MerCruiser Scorpion 350 EC MerCruiser Scorpion 377 HO EC Selected 4.3L MPI / Bravo applications Replacement Part Number 863631T1 Specifications Type: Water Distribution Housing Assembly Application: Marine Inboard / Sterndrive Cooling System Housing Material: Aluminum Plug Material: ABS Plastic Plug Color: Blue Fitment Type: Direct Replacement Features Direct replacement for part number 863631T1 Precision-machined aluminum housing supports reliable sealing Helps reduce water or coolant leakage Reinforced housing resists corrosion, scratches, and wear Blue ABS drain plugs provide durable service Designed for selected MerCruiser marine cooling systems Easy replacement with proper fitment verification Package Includes 1 × Water Distribution Housing Assembly 2 × Blue Drain Plugs W/o Installation Instructions Important Note Please verify your engine model, inboard or sterndrive configuration, mounting points, original housing shape, and part number before ordering. Marine applications may vary by engine package and production year. Professional installation is recommended.