Mercruiser 3.7L Exhaust Elbow | Sierra 18-1937

Replacement elbow for Mercruiser 165, 170, 180, & 190 model marine engines with aluminum exhaust manifold.

Mercruiser 3.7L Exhaust Elbow | Sierra 18-1937

• Sierra exhaust elbow
• For Mercruiser 165, 170, 180, 190, 3.7L engines used from 1987-1989 with aluminum exhaust manifold
• Riser gasket P/N 18-0881-1 – sold separately
• Mounting kit P/N 18-8530 – sold separately
• Replaces Mercruiser 98562A6
• Replaces Osco 8561