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Flapper Exhaust Protector Valve 4 Inch

$28.51 $35.79

4 Inch Exhaust Flapper Protective Valve With Clamp Exhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust. Exhaust protector...

4 Inch Exhaust Flapper Protective Valve With Clamp

Exhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust.

Exhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust. 

  • For 4 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 12644A1, 12644Q01
  • Replaces OMC/Johnson/Evinrude 509495
  • Replaces Mallory 9-44001