Engineered Marine Products 22-05158 Drain T-Fitting Assembly for MerCruiser 4.3L–6.3L (2002–Current)

The Engineered Marine Products 22-05158 is a replacement Drain T-Fitting Assembly designed for MerCruiser stern drive and inboard engines ranging from 4.3L to 6.3L displacement, covering 2002 and newer applications. This fitting plays a critical role in the engine cooling system, providing a T-shaped junction that allows for complete draining of coolant from the exhaust manifold and engine block — an essential step during winterization and seasonal maintenance.

Key Features:

• Direct-fit replacement Drain T-Fitting for MerCruiser 4.3L through 6.3L engines (2002–current)
• Designed for use in the engine cooling drain circuit, mounted under the exhaust manifold
• Facilitates full coolant evacuation to prevent freeze damage during winterization
• Engineered to OEM specifications for reliable, leak-free performance
• Manufactured by Engineered Marine Products, a trusted supplier to both the OEM and marine aftermarket

Engineered Marine Products has been serving the marine industry for over 40 years, supplying high-quality replacement components to OEM manufacturers and the aftermarket alike. The 22-05158 Drain T-Fitting Assembly is part of their comprehensive line of MerCruiser cooling system components.