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  • Large Exhaust Flapper With Clamp | Sierra 18-4458 - MacombMarineParts.com
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Large Exhaust Flapper With Clamp | Sierra 18-4458

Large Exhaust Flapper With Clamp | Sierra 18-4458

Sierra

$57.38 USD
$75.99 USD $57.38 USD
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23 in stock

Large Exhaust Flapper With Clamp | Sierra 18-4458

Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust.

 

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from 76 reviews

Perfect replacement

Michael K.
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Perfect match

Perfect match to the original Chris Craft blue. Competitive price and delivery was quick

jason b.
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Great Product

Great Product, easy to install, work well

Kevin M.
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Obtaining magnesium anodes to install on the OMC Cobra (SX-C) sterndrive, for fresh water use. Received the anode within a week of ordering the part, which is not going to be installed until Spring.

Paul B.
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Black Liquid Electrical Tape - 4 oz. | Star Brite 084104B

JEFFREY K.
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As described

Jonathan C.
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Step Wrench Thru Hull 1/2 in. - 1 1/2 in.

Very Happy!! Just what I needed!!

Peter B.
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Quality seems good

Outdrive spent 4 months docked in salt water with no visible rust on the stainless steel braided hoses

Thurman W.
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Excellent
fit just fine

Burt S.
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Great product!

Product just as oem. Performs as it should. Order arrived quickly. Thank You!

John W.
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Perfect fit.👍
Makes the repair a professionally done look.

Shawn M.
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Customer service

You guys went above and beyond making sure we got the package

Shary V.
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Ralph M.
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Great job

Good quality parts fast and on time Great customer service

Eric S.
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new lower unit for my 115 yamaha 2 stroke

the company gave me help in properly measuring my shaft length answered all my questions the lower came a few days later and it was expertly packed. lower was just like expected brand new, i can not be more pleased good help answering question excellent parts and fast shipping. what more can you ask for

david m.
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