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    $38.72
    Mercury - Exhaust Flapper - 3 in O.D. - 34765A2
    Parts Vu
    $38.72
    Mercury - Exhaust Flapper - 3 in O.D. - 34765A2
    Parts Vu
    $38.15
    Mercury - Quicksilver Exhaust Flapper Kit | Exhaust System Component |
    Parts Vu
    $38.15
    Mercury - Quicksilver Exhaust Flapper Kit | Exhaust System Component |
    Parts Vu
    $24.99
    Marine Exhaust Guard Exhaust Flapper Covers Fits 3 In.OD 18-4456 89240
    Amazon.com
    19
    $24.99
    Marine Exhaust Guard Exhaust Flapper Covers Fits 3 In.OD 18-4456 89240
    Amazon.com
    19
    $29.99
    For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6 Exhaust Flapper Water
    eBay
    Free shipping
    $29.99
    For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6 Exhaust Flapper Water
    eBay
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    $20.99
    Uanofcn 60930 Exhaust Flapper Shutter For Mercruiser Stern Drives 2.5L 3.0L 3.7L Engines Sierra 18-2727
    Amazon.com
    4
    $20.99
    Uanofcn 60930 Exhaust Flapper Shutter For Mercruiser Stern Drives 2.5L 3.0L 3.7L Engines Sierra 18-2727
    Amazon.com
    4
    $41.99
    Marine 5" & 6" Exhaust Flapper & Clamp Backflow Preventer Brand
    eBay
    Free shipping
    $41.99
    Marine 5" & 6" Exhaust Flapper & Clamp Backflow Preventer Brand
    eBay
    Free shipping
    $53.55
    Sierra 18-4458 Large Exhaust Flapper With Clamp - 5 Or 6 Inch Applications
    eBay
    $53.55
    Sierra 18-4458 Large Exhaust Flapper With Clamp - 5 Or 6 Inch Applications
    eBay