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

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  • Regular price $8.99
  • 1 available


  • Exhaust Manifold Blocked Gasket
  • For use with: 
    • Center riser Mercury MerCruiser manifold
    • For fresh water/ closed cooling, the gasket separates antifreeze and raw water (no stainless plate required).
  • Manufacturer: Osco
  • Part Number: 8503-GB
  • Also Known As: Mercury MerCruiser 27-41811, 8503GB
  • Photos of actual part can be supplied upon request.