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OMC Manifold End Cap Gasket | Sierra 18-2861-1

OMC Manifold End Cap Gasket | Sierra 18-2861-1

Sierra

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OMC Manifold End Cap Gasket | Sierra 18-2861-1

Gasket for front end cap of OMC inline 4 & 6 cylinder exhaust manifolds from 1971 to 1990.

  • Sierra exhaust end cap gasket
  • For various OMC 100, 120, 140, 165, 2.5L, & 3.0L stern drive marine engines from 1971-1990
  • Replaces OMC 311121
  • Replaces Sierra 18-2861

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