The 5 Best Marine Manifolds (2022 reviews)

Best part: Sierra international marine manifold costs are reasonable and it is available to ship in 24 hours. The Sierra International Marine Manifold works fine and it fits well. Make sure this fits by entering your model number. Also, this is supplied with gaskets and will fit port and starboard applications.

The manifold is ideally suited for freshwater applications. Lastly, the sierra international marine manifold is another straight and it has saved some money.

Almost all customers found that the manifold would fit both the port and starboard exhaust. And, they strongly agree that the manifold comes with everything needed and it is perfectly and assembled easily. Further, they strongly agree that the manifold is an exact fit and includes gasket for the exhaust and riser side. Overall, most buyers agree that the manifold suits best, and no one questions it.

Customers also found that its wise to buy a 454 marine water pump, along with this manifold.

Why We Like This:

It comes with gaskets, it is black and has great style.
This is full, is for heavy duty and it is small.
This is designed for universal fit and it is other than that hassle.
Fits: mcm/mie gm v-8 (305, 350 & 377 cid) engines (1983-2002).

Best For Universal Fit: Sierra Marine Manifold

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The Sierra Marine Manifold is satisfactory and appropriate and fits well with your regular use. The sierra marine manifold can be used with the oe riser. Make sure this fits by entering your model number. Moreover, the manifold is transferred from the manifold to the riser externally. Above all, the sierra marine manifold is made for universal fit and it is newer.

Few customers got marine synthetic gear oil, along with the manifold.

Why We Like This:

Fits : gm v6 (262cid) engines 2002 and newer.
Good investment for the long term.

Best Premium Design: Quicksilver Marine Manifold

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We are personally inclined towards Quicksilver Marine Manifold, It is a bit pricy, but it overachieves its purpose and is long time functional. The quicksilver marinemanifold is for use on the port or starboard (left or right) side of v-8 mercruiser stern drive and inboard engines made by general motors. See your owner's manual or service manual for more information. Further, it has been the marine industry leader in delivering premium engine lubricants, accessories and original equipment replacement parts for more than 65 years.

Most importantly, the quicksilver marine manifold means buys performance, protection and peace of mind.

To sum up, for most customers, the manifold was just what they wanted.

Why We Like This:

For select mercruiser stern drive engines made by general motors.
Good brand reputation.

Best For High Quality: Quality Mark Marine Manifold

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The features department is where the Quality Mark Marine Manifold truly manages to shine. Make sure this fits by entering your model number. Also, the manifold is coated with a baked enamel from the factory. In short, with a 4.5 rating and more than 160 buyers, the quality mark marinemanifold stands as the best choice.

Without any doubt, this manifold passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

Replaces mercruiser 99746a17 sierra marine 18-1951-1 glm 51220 barr mc-1-99746 osco 9745 hge 9746.
All mounting surfaces cnc machined to guarantee an exacting gasket mating surface.
Shot peened for smooth external finish.
High quality, uniform wall thickness, clean exhaust passages.

Best For Exhaust Manifold Gasket: Boating Accessories Marine Manifold

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The Boating Accessories Marine Manifold's high-end materials make sure that it ages well with use. In addition, this is not someone in their basement who knows nothing about parts and just drops ships items. The Manufacturer says: We are not looking to selling a bunch of parts and move on. Most importantly, the boating accessories marine manifold is full, is suitable for exhaust manifold gasket and it is ready.

Why We Like This:

One of the newcomers and featured product.
New and hot releases.