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Exhaust Protector Valve Flapper Kit with 4” Clamp Replacement For Mercury Sierra Sterndrive - 18-4457, 815504372, 12644A1

Exhaust 4” Protector Flapper Kit with Clamp for MerCruiser Mercury Sterndrive - 12644A1

Automotive Authority

Protector Valve for Mercury

Replaces Part #: 12644A1, 18-4457, 12644Q01, 89250, 9-44001, 815504372

Includes: 1x Protector Valve, 1x 4” Stainless Steel Clamp (815504372)


Fits:

  • MerCruiser, Mercury: 12644A1, 12644Q01
  • Sierra: 18-4457
  • GLM: 89250
  • Mallory: 9-44001

 

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