MIDWEST MOTORS

DRIVING THE HEARTLAND • EST. 2024

Premium Marine Exhaust Sealing Solution

Ensure peak performance and prevent costly engine damage with this genuine-specification Mercury Marine Mercruiser Dry Joint Exhaust Riser Gasket. Specifically designed for "Closed" cooling configurations, this block-off style gasket provides a critical seal for your marine exhaust system, preventing water intrusion and maintaining optimal temperature regulation.

Key Features & Technical Specs

• Part Number: 27-864549A02 (Replaces 27-864549A1)
• Design: "Dry Joint" System Compatible (Closed/Block-off type)
• Application: Specifically for Closed Cooling configurations where water flow through the riser is restricted.
• Construction: High-temperature composite material engineered for the harsh marine environment.

Engine Compatibility

Fits MerCruiser GM-based V6 and V8 engines (2002 and newer) utilizing the dry joint manifold and riser system:

• 4.3L V6 Alpha/Bravo
• 5.0L V8 (305 CID)
• 5.7L V8 (350 MAG / MX 6.2L)
• 6.2L V8 MPI Inboard/Sterndrive

Note: This is a "Closed" style gasket. Please verify your manifold configuration before purchase to ensure this matches your specific cooling requirements.