Quicksilver 866208A02 4.7" Dry Joint Exhaust Riser Extension Kit

The Quicksilver 866208A02 is a genuine OEM 4.7-inch (119 mm) exhaust riser extension kit designed for use with standard cooling and dry joint exhaust manifolds on MerCruiser inboard and sterndrive engines. This riser kit provides additional exhaust stack height to help protect the engine from water intrusion — a critical function in marine exhaust system maintenance and upgrades.

Key Features:

• Height: 4.7 inches (119 mm) of exhaust riser extension
• Design: Dry joint configuration — no water jacketing in the riser section
• Compatibility: Designed for standard cooling (RWC) exhaust manifold systems
• OEM Quality: Genuine Quicksilver / Mercury Marine factory part
• Package Quantity: Sold individually (1 kit per package)

This riser kit is an essential component for MerCruiser V-6 and V-8 engine exhaust systems, helping maintain proper exhaust routing and water separation. Using a genuine Quicksilver OEM riser ensures correct fitment and reliable long-term performance in the harsh marine environment.