Sierra Manifold

Sierra 18-1843 MerCruiser V8 Dry Joint Exhaust Manifold Replaces 8M0185794

All Sierra manifolds are manufactured as a direct OE replacement and are fully interchangeable with the OEM products they are designed to replace.

Features:

• Dry Joint Style
• Includes all the necessary gaskets and hardware for easy installation.
• Primed and painted for added durability and protection.
• Components are ready to install out-of-the-box.
• Backed by Sierra's comprehensive warranty.

Fits:

• MerCruiser (2002 & Newer)
• 5.0L MPI Alpha/Bravo 0M300000 - Up
• 5.0L CARB Alpha/Bravo 0M600000 - Up
• 5.7L CARB Alpha/Bravo 0M600000 - Up
• 350 MAG MPI Alpha/Bravo 0L010019 - Up
• 350 MAG MPI Horizon Alpha/Bravo 0M300000 - Up

Interchangeable With:

• MerCruiser
• 864308T01
• 865049T01
• 865735A02
• 8M0185794

• HGE
• 5735
• GLM
• 51237
• Barr
  • MC 1 865735

Includes:

• Exhaust Manifold Gasket 18-2949
• Drain Elbow Assembly 18-4224

Use With:

• Exhaust Elbow: 18-1845
• Riser Gasket (Closed): 18-0720
• Riser Gasket (Open): 18-0721
• Riser Gasket (Constricted): 18-0722