Sierra Manifold - Mercruiser - S18-1957-2.
Port & Starboard.
Replaces: Mercruiser 89011A8, 807078A6, 807078T10, 80707809, 807078A4, 807078A2
Marine Power 0991-1000, Barr MC-1-89011
Will fit either side
Fits: Most Mercruiser (GM) V-8 big blocks with center riser
Use with:
- Exhaust Manifold Gasket: S18-0418
- Mounting Kit: S18-8532
Part Number |
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SRA-S18-1957-2 |