Exhaust Manifold and Riser Kit For MerCruiser 4.3L V6 99746A17, 807988Q03

Exhaust Manifold and Riser Kit for MerCruiser 4.3L V6

This exhaust manifold and riser kit for MerCruiser 4.3L V6 replaces worn parts (OEM cross-reference 99746A17, 807988Q03) to restore exhaust flow and cooling in marine engines.

Overview

The exhaust manifold and riser kit for MerCruiser 4.3L V6 is a complete replacement set for the original exhaust system. This kit includes both the manifold and riser, ensuring proper exhaust gas routing and water cooling in your boat's engine. Designed for the MerCruiser 4.3L V6, this compatible kit helps prevent overheating and corrosion.

Built For Performance

• Direct-fit replacement for MerCruiser 4.3L V6 engine exhaust manifold and riser
• Cast iron manifold construction for durability in marine environments
• Stainless steel riser resists corrosion from exhaust gases and water
• Includes gaskets and mounting hardware for installation
• Designed to match OEM specifications for flow and fitment

Specs At A Glance

Good To Know

Q: Is this kit a direct replacement for the original MerCruiser exhaust manifold and riser? A: Yes, this kit is designed as a direct replacement with the same bolt pattern and gasket configuration as the factory parts.

Q: Do I need to replace both manifold and riser at the same time? A: It is recommended to replace both together as they work as a matched pair to ensure proper alignment and sealing.

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