Exhaust Flapper, 4" - 18-4457 - Sierra
Price: $22.90
Save: $7.09
(23% Off $29.99)
Part # 18-4457
2nd Day Air for $2.99 More Eligible
SHIPS TOMORROW!* if ordered in 22 hrs 33 mins.
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Key Features:

  • Compounded rubber flapper valves prevent water from entering the exhaust system
  • Made with weather resistant EPDM with U/V stabilizer

Additional Details:

  • Includes: Stainless Steel Clamp
  • Size: 4" or 101.6mm

Replaces OEM part #
Does this fit 87 carver 32?
This is designed to replace the following OEM Part Numbers: GLM 89250, Mallory 9-44001, Mercury Marine 12644A1.

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