Exhaust Manifold + Riser Kit For MerCruiser 305 V8 860246A15 860246Q11 18-1953-2

Exhaust Manifold + Riser Kit for MerCruiser

This exhaust manifold and riser kit replaces OEM part numbers 860246A15, 860246Q11, and 18-1953-2 for MerCruiser 305 V8 marine engines.

Overview

This exhaust manifold and riser kit is designed to replace worn or corroded components on MerCruiser 305 V8 engines. It provides a direct-fit solution for restoring exhaust flow and preventing water ingress in marine applications. The kit includes both manifold and riser for a complete replacement.

Built For Performance

• Direct replacement for MerCruiser 305 V8 exhaust systems
• Cast iron construction for durability and heat resistance
• Includes gaskets and hardware for installation
• Precision-cast ports for optimal exhaust flow
• Corrosion-resistant coating for extended life in marine environments

Fits These Machines

• for MerCruiser 305 V8

On-The-Job Use

• Replaces factory exhaust on MerCruiser 305 V8 inboard and sterndrive boats
• Restores engine performance by eliminating exhaust leaks
• Reduces risk of water intrusion into cylinders
• Common maintenance item for older marine engines

Specs At A Glance

Good To Know

Q: Will this fit other MerCruiser engines? A: This kit is specifically designed for MerCruiser 305 V8 engines; verify compatibility with your engine serial number.

Q: Does it include all necessary gaskets? A: Yes, the kit includes gaskets and hardware for a complete installation.

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