Home Exhaust Systems 3 in. Exhaust Flapper With Clamp | Sierra 18-4456
  • 3 in. Exhaust Flapper With Clamp | Sierra 18-4456 - MacombMarineParts.com
  • 3 in. Exhaust Flapper With Clamp | Sierra 18-4456 - MacombMarineParts.com
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3 in. Exhaust Flapper With Clamp | Sierra 18-4456

3 in. Exhaust Flapper With Clamp | Sierra 18-4456

Sierra

$29.82 USD
$39.49 USD $29.82 USD
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24 in stock

Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow of water into the exhaust.

3 in. Exhaust Flapper With Clamp | Sierra 18-4456

  • For 3 in. diameter exhaust thru hulls
  • Prevents backflow of water into exhaust system
  • Stainless steel clamp included
  • Designed to mount on the outside of exhaust tips
  • Replaces Mercury 34765A1, 34765A2
  • Replaces OMC/Johnson/Evinrude 509494
  • Replaces Mallory 9-44000
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