Exhaust manifold drain t-fitting 863786A1 is for use on MerCruiser V6 and V8 engines with water drain systems. Produced to meet Mercury Marine original equipment manufacturer specifications, this fitting is easy to install with common shop tools to maintain your engine's cooling system integrity.
- Fits MerCruiser V6 and V8 (305, 350, and 377 CID) engines
- For units equipped with water drain systems
- Easy to install with common shop tools
- Produced to meet original equipment manufacturer specifications
