Water Distribution Housing for MerCruiser Manual Drain Plugs 863802T2 863631T1
Water Distribution Housing for MerCruiser Manual Drain Plugs 863802T2 863631T1
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Water Distribution Housing for MerCruiser Manual Drain Plugs
This water distribution housing for MerCruiser manual drain plugs is a direct replacement cooling system component designed to route coolant flow in MerCruiser marine engines, with OEM cross-reference numbers 863802T2 and 863631T1.
Overview
The water distribution housing for MerCruiser manual drain plugs serves as the central coolant manifold for MerCruiser sterndrive and inboard engines, ensuring proper cooling circulation. This housing features integrated manual drain plug ports for easy winterization and maintenance. It is a reliable replacement for worn or corroded original housings, restoring engine cooling efficiency.
Built For Performance
- Direct-fit design for MerCruiser engines with manual drain plug system
- Constructed from durable cast metal to resist corrosion and cracking
- Includes ports for manual drain plugs for simple service access
- OEM part numbers 863802T2 and 863631T1 for exact compatibility
- Precision-machined sealing surfaces for leak-free operation
On-The-Job Use
- Used during routine cooling system maintenance on MerCruiser marine engines
- Ideal for winterization procedures by enabling easy drain plug removal
- Commonly replaced when original housing cracks or corrodes due to saltwater exposure
- Essential for restoring proper coolant flow in overheating engines
Specs At A Glance
| Part Number(s) | 863802T2, 863631T1 |
| Material | Cast Metal |
| Application | MerCruiser Marine Engines |
| Includes | Housing, manual drain plugs |
Good To Know
Q: Is this water distribution housing compatible with all MerCruiser engines? A: This housing is designed for MerCruiser engines that use manual drain plugs; always verify your engine's serial number for exact fitment.
Q: What is the purpose of the manual drain plugs on this housing? A: The manual drain plugs allow you to drain coolant from the block for winter storage or repairs, preventing freeze damage.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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