Sierra 18-1842 V6 Dry Joint Exhaust Manifold for MerCruiser 4.3L

The Sierra 18-1842 is a high-quality replacement dry joint exhaust manifold designed specifically for MerCruiser V6 4.3L marine gas engines. This manifold is engineered for 2002 and newer Alpha/Bravo drive applications without engine catalyst systems.

Key Features:

• Dry joint design eliminates the possibility of water entering cylinders in case of gasket failure
• Direct replacement for Mercury Marine OEM part number 864612T01
• Includes manifold-to-head gasket and plugs for complete installation
• Professional-grade construction for reliable marine exhaust system performance
• Compatible with 262 CID (4.3L) V6 engines

What's Included:

• Exhaust manifold
• Manifold-to-head gasket
• Mounting plugs

Important Note: Riser gasket sold separately. Use with dry joint elbow gaskets Sierra 18-0720 or 18-0721 for proper installation.

Sierra Marine is a trusted name in marine engine parts, offering OEM-quality replacements that meet or exceed original equipment specifications. This manifold provides dependable performance for MerCruiser stern drive applications.