Mercury MerCruiser 27-41811 Big Block V8 Exhaust Manifold Blocked Gasket Osco 8503-GB

Mercury MerCruiser 27-41811 Big Block V8 Exhaust Manifold Blocked Gasket Osco 8503-GB

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  • Mercury MerCruiser 27-41811 Big Block V8 Exhaust Manifold Blocked Gasket
  • For use with: Center riser Mercury MerCruiser Big Block V8, manifold, Fresh water/ closed cooling, the gasket separates antifreeze and raw water (no stainless plate required).
  • Manufacturer: Osco
  • Model Number: Gasket
  • Part Number: 8503-GB
  • Also Known As: 8503GB, Mercury MerCruiser 27-41811, 2741811