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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Sierra MerCruiser 4.3 Liter V6 Exhaust Manifold 99746A17 9975 18-19521Sierra 18 1952 1 Replacement Exhaust Manifold Kit For MerCruiser V6 4. 3 Liter 02 and older engines Will not work for dry joint systems Kit Contains: 1x Exhaust Manifold 1x Mounting Package 1x Manifold to Riser Elbow Gasket 1x Manifold to Head Gasket 1x Drain Elbow Plug Replaces: Osco: 9745 GLM: 51220 MerCruiser: 99746A17 Barr marine: 1 99746 Sierra manifolds are painted, packaged and leak tested. Sierra 18 1952 1 Replacement Exhaust Manifold Kit For
Sierra 18-1952-1 Replacement Exhaust Manifold Kit
For MerCruiser V6 4.3 Liter 02 and older engines
Will not work for dry joint systems
Kit Contains:
• 1x Exhaust Manifold
• 1x Mounting Package
• 1x Manifold to Riser/Elbow Gasket
• 1x Manifold to Head Gasket
• 1x Drain Elbow Plug
Replaces:
• Osco: 9745
• GLM: 51220
• MerCruiser: 99746A17
• Barr marine: 1-99746
Sierra manifolds are painted, packaged and leak tested.
Sierra 18-1952-1 Replacement Exhaust Manifold Kit
For Sierra MerCruiser 4.3 Liter Exhaust Manifold V6 Engine
- Clean exhaust channels, high quality, homogeneous wall thickness externally, shot-peened for a smooth finish to provide a precise gasket mating surface, all mounting surfaces have been CNC machined.
- Exhaust channels are clean and of good quality, with consistent wall thickness.
- Externally, shot-peened for a smooth finish.
- Surfaces for mounting CNC machining ensure a precise gasket mating surface.
- The manufacturer examined for leaks and applied a baked enamel finish.
SPECS
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UPC:
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808282237448
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MPN:
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18-19521
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 2282 reviews
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Product Reviews
★★★★★ 5
loud but in a good way
Size: 4.5"
Love these crazy loud squeeky balls. I bought two a bit too big but the dogs still love them. Yes, they will drive you insane but the dogs love them so much it's worth it watching the pups enjoy the balls. They are strong and safe as long as they aren't too small for your dogs mouth.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Great for aggressive chewers - Great for clean teeth
I never thought these would stand up to my 60lb pittie puppy's chewing. But they are far and away her favorite toy and are holding up beautifully. One squeaker insert bit the dust -- which is not bad since it gives us one silent one. But otherwise they are holding up superbly to her powerful jaws. We have tried a lot of toys. So far, all the "for aggressive chewers" toys have been torn apart within days if we are lucky -- usually it's minutes. But these balls show little-to-no sign of wear. The squeakers are very loud which she loves can get a bit tiresome. So, as I mentioned, having one silent one is a great option. And she really likes the texture. She loves them so much, we bought a second set and will probably buy a third to have in reserve. (We are realistic and don't expect them to last forever.) All I have to say is "where's spiky ball" and she instantly stops what she is doing and goes on the hunt. A great buy!! (NOTE: It's been almost three months and one is just beginning to show some damage. Given that she plays with them non-stop, they've showed amazing durability. And everyone comments on how clean and beautiful her teeth are. I don't brush them or give her dental treats. So it has to be these balls!!)
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Reviewed in the United States on June 23, 2025
★★★★★ 5
Good sturdy ball for aggressive chewer
Size: 4.5"
Nice heavy duty ball that my 7 yr old pitbull can chew on and not destroy it in 2 minutes. Wish that could get 3 for the cost but whatever. Nice bright colors . Good size that he won't choke on it .
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Great ball but poor squeaked design
Size: 4.5"
My Rottie loves these balls. The ball lasts a long time even though he plays hard and chews them. My biggest complaint is the squeaker disconnects easily from inside the ball, the glue does not hold! We have bought many of these balls because eventually the area where the squeaker is attached comes away from the ball leaving an open whole that causes the ball to eventually developed a long crack at which point it no longer is able to be thrown nor is is fun for him any longer.
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Well made and great fun for our Pittie
Size: 4.5"
My pittie loves these! They are way thicker than others. He has learned how to chew on the spikes. Seems like a good teeth cleaning too. Yes, the squeaker breaks! That is a great thing!! With his active chewing, that sound was driving us crazy after a while.
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Reviewed in the United States on February 19, 2026
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