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
