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99370A2 Water Exhaust Shutter for MerCruiser Stern Drive V6 V8 Engines 4.3L 5.0L 5.7L Sierra 18-2733

KWD 8

Brand
Heurofosh
Weight
50 g
1 +

Special Features

  • Exhaust Water Shutter Y-Pipe Flapper Boat Motor for MerCruiser Outboard Engine
  • Fit MerCruiser V6 V8 engines w/3" Y-Pipe 4.3L 5.0L 5.7L
  • Replaces OE#: Mercury MerCruiser Outboard 99370A2 92802, Mallory 9-42801, Sierra 18-2733, GLM 89160
  • Crafted from premium metal and rubber, these flappers ensure exceptional durability, corrosion resistance, and extended longevity, providing the best OEM quality
  • Provide additional protection for your engine, preventing backflow of lake water when the engine is shut down while hot.

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