Mercury MerCruiser Water Drain Distribution Housing 863444T1 863802T2 863444T2

Water Drain Distribution Housing for Mercury MerCruiser

This water drain distribution housing, referencing OEM cross-reference numbers 863444T1, 863802T2, and 863444T2, manages cooling water flow in Mercury MerCruiser marine engines.

Overview

The water drain distribution housing for Mercury MerCruiser is a critical component in the cooling system, directing water to and from the engine block and exhaust. It is designed to replace worn or corroded housings, ensuring proper drainage and preventing coolant leaks. This housing is a direct replacement for the listed OEM part numbers.

Built For Performance

• Constructed from marine-grade aluminum for corrosion resistance.
• Precision-machined mating surfaces for a secure seal.
• Engineered to match OEM dimensions.
• Reinforced for high-pressure cooling systems.
• Lightweight yet durable.
• Easy to install with standard tools.

Specs At A Glance

Good To Know

Q: What is the purpose of the water drain distribution housing? A: It directs cooling water flow and drainage in MerCruiser sterndrive engines. Replacing a faulty housing prevents overheating and internal damage.

Q: Are these part numbers interchangeable? A: The listed numbers may be superseded versions; verify compatibility with your engine serial number before installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.