* 807166A3 Mercury Marine/Quicksilver Shutter Assembly (Pair)/205G
SKU: 47586493289

* 807166A3 Mercury Marine/Quicksilver Shutter Assembly (Pair)/205G

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Description

* 807166A3 Mercury Marine/Quicksilver Shutter Assembly (Pair)/205G807166A3 Mercury Marine Quicksilver Shutter Assembly (Pair) Item Supersession Chain: Water shutter 807166A3 is For use on various and numerous MerCruiser sterndrive installations. This shutter is 2. 5 in. diameter at the cross pin. Check your owner's manual or parts manual for exact fitment. Also known as a water flapper, the shutter is open for exhaust to exit the engine and closes when the engine is not running to keep water from flowing back to the

807166A3 Mercury Marine/Quicksilver Shutter Assembly (Pair)/

Item Supersession Chain:Water shutter 807166A3 is For use on various and numerous MerCruiser sterndrive installations. This shutter is 2.5 in. diameter at the cross pin. Check your owner's manual or parts manual for exact fitment. Also known as a water flapper, the shutter is open for exhaust to exit the engine and closes when the engine is not running to keep water from flowing back to the engine causing corrosion or serious damage to the engine. Fits inline inside the exhaust system for sterndrive installations. Installed downstream of the flexible union between the elbow and Y-pipe. See your owner's manual or service manual for specific application and instructions.

  • Acts as a flexible check valve to stop water from returning up the exhaust system to the engine
  • Also called a water flapper
  • 2.5 in. diameter at cross pin
  • Fits numerous MerCruiser sterndrive installations
  • Fits inline inside the exhaust system for sterndrive installations
  • Installed downstream of the flexible union between the elbow and Y-pipe
  • See your owner's manual or service manual for specific applications and instructions
  • The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection, and peace of mind. 
Row Class Part Number SS Level Disp Description
1 807166A3 00 ACT SHUTTER ASY(PAIR)
2 14348 01 SS WATER SHUTTER
3 14348A1 01 SS SHUTTER ASY-WATER
4 14348A2 01 SS SHUTTER KIT-WATER
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SKU: 47586493289

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4.9 ★★★★★
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Aly
Waukegan, US
★★★★★ 4
Boxer Baby’s Favorite
Size: Jumbo, Style: Beef
This toy is my sweet girl’s absolute favorite. It was the first thing we gave her when we brought her home, and she has been obsessed with it since. She brings it from room to room, inside and outside. I would highly recommend this toy, however, we have gone through six in one year. They’re not very durable, especially with our boxer mix, who is a very heavy chewer. I’ve gotten the red and the blue, and she will only take red, which is fine with me because the blue STINKS. The red stinks too, but less so. The squeak is very loud, but she genuinely loves it so much that it’s hard to be annoyed by it. I’d say give the toy a try, you may be unintentionally giving them their favorite thing ever lol.
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Reviewed in the United States on October 2, 2025
R
Verified Purchase
Renia
Lake Worth, US
★★★★★ 1
Design Hazard
Size: Medium, Style: Bacon, Size: Medium, Style: Bacon
I have one of these in a larger version I picked up at the petstore. This one I do not recommend. There is a whole in the center where the pet bites down and my doggies' teeth kept getting stuck in it. If you've ever had a toy get stuck in your pups mouth, you've seen how thet go nuts trying to get it out.
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Reviewed in the United States on April 18, 2026
K
Verified Purchase
Kate Morgan
Houston, US
★★★★★ 5
Cane Corso approved
Size: Jumbo, Style: Beef
I have two Cane Corsos, One is 80 pounds the other is 120 pounds. They can seriously destroy some toys very easily. These chewies have actually lasted for over six months at this point, which is pretty much miraculous. I bought them some more just so I always had plenty of them laying around as this discourages them from getting into trouble, chewing things they shouldn’t be chewing. They walk around with these and their mouths all the time and even after all these months, the squeakers still work. These are really high-quality and if you have a dog that just destroys toy toy, I highly recommend these. Even though they’ve had these for months, they go back to them to chew on and play with , it’s also really funny because they walk around with one and hanging out of their mouth and it looks like they’ve got a stogie hanging out of their mouth. If these toys can keep the interest and survive being mauled by these two giant Destructo mutts, then they must be really, really tough. I highly recommend these for super chewers. These even a hold up to having one dog, grab each end and then play tug-of-war with it. These guys can Easily go through A cow huff every day, but these toys are still going strong
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Reviewed in the United States on August 10, 2024
K
Verified Purchase
Kindle Customer
Whiting, US
★★★★★ 3
Not a chew toy
Size: Medium (VALUE 2-Pack), Style: Beef
This is not for a voracious chewer...not durable. My dog destroyed in a matter of minutes, so the cost was high compared to the time it lasted. Maybe my expectation was too high but was disappointed in this product.
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Reviewed in the United States on March 16, 2026
C
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Craig McNulty
Waukegan, US
★★★★★ 5
Tough
Size: Jumbo, Style: Peanut Butter
Great for chewers
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Reviewed in the United States on June 9, 2026

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