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Volvo Penta / OMC Exhaust Elbow Mounting Kit |  Sierra 18-8507 - MacombMarineParts.com

Volvo Penta / OMC Exhaust Elbow Mounting Kit | Sierra 18-8507

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Volvo Penta / OMC Exhaust Elbow Mounting Kit | Sierra 18-8507

Mounting kit for Volvo Penta & OMC 7.8 in. exhaust riser used on many V6 & V8 engines.

  • Sierra exhaust riser mounting kit
  • For Volvo Penta and OMC engines using center rise manifolds with 7.8 in. tall exhaust riser
  • Includes gasket 18-0943-2, (4) 7 7/8 in. long bolts, and washers
  • For use with Sierra 18-1909-1 riser
  • Replaces OMC 909786 gasket
  • Replaces Osco 50456-MK

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