1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
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  3. MERCURY 14086284

MERCURY 14086284 Gm Engine Intake Manifold 5.7L V8 P/n

fits model: Marine, 350, Mercruiser. make: Mercury.

14086284 Mercury Marine Mercruiser 5.7l 350 Gm V8 Engine Intake Manifold P/n

( Manufacturer Part Number: 14086284 ), ( Part Type: Intake Engine Manifold )

Review MERCURY 5.7l Gm V8 Engine Intake Manifold P/n fits MERCRUISER MARINE 350

Mercury 14086284 Intake Manifold for Marine Mercruiser 5.7L 350GM V8 Engine

Description:

The Mercury 14086284 Intake Manifold is a crucial component designed specifically for the Marine Mercruiser 5.7L 350GM V8 Engine. This intake manifold plays a vital role in the engine's combustion process by supplying the correct air-fuel mixture to the engine's cylinders.

This intake manifold is meticulously engineered with precision, ensuring optimal engine performance. It features a durable cast aluminum construction, which not only provides excellent heat dissipation but also ensures long-lasting durability. The manifold's design facilitates a smooth and efficient airflow, allowing the engine to breathe easily and generate more power.

The intake ports on this manifold are meticulously machined to ensure a perfect seal with the corresponding cylinder heads, preventing any air or fuel leakage. This seal ensures a consistent flow of air-fuel mixture to the engine, which is essential for maintaining optimal engine performance.

This intake manifold also comes with pre-installed fuel injectors, simplifying the installation process for boat owners or mechanics. Each injector is precisely positioned to ensure optimal fuel delivery to the engine's cylinders.

Additionally, this intake manifold is designed to be compatible with the Marine Mercruiser 5.7L 350GM V8 Engine only. It is essential to use the correct intake manifold for your engine to ensure the best possible performance, reliability, and safety.

In conclusion, the Mercury 14086284 Intake Manifold is a high-quality component that is specifically designed for the Marine Mercruiser 5.7L 350GM V8 Engine. Its precise engineering, durable construction, and efficient design make it an essential upgrade for boat owners looking to enhance their engine's performance.

Pros and Cons of Buying Mercury 14086284 Marine Mercruiser 5.7L 350GM V8 Engine Intake Manifold

The Mercury 14086284 Marine Mercruiser 5.7L 350GM V8 Engine Intake Manifold is a crucial component for the proper functioning of a Mercury Marine engine. Replacing an old or damaged intake manifold can significantly improve engine performance. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this intake manifold.

Pros:

1. Improved Engine Performance: A new intake manifold can help improve engine performance by ensuring optimal air-fuel mixture delivery to the combustion chambers. This results in better engine response, increased power, and improved fuel efficiency.

2. Durability: The Mercury 14086284 intake manifold is engineered to withstand the rigors of marine applications. It is made from high-quality materials, ensuring long-lasting performance and resistance to corrosion.

3. OEM Part: Purchasing an OEM (Original Equipment Manufacturer) part, such as the Mercury 14086284 intake manifold, ensures a perfect fit and function, as it is specifically designed for your engine model.

4. Warranty: Mercury Marine offers a limited warranty on their OEM parts, providing peace of mind and protection against manufacturing defects.

Cons:

1. Cost: The Mercury 14086284 intake manifold can be more expensive compared to aftermarket alternatives. However, the benefits of OEM quality and warranty may outweigh the additional cost for some boat owners.

2. Availability: Depending on your location and the availability of Mercury Marine dealers, it may take some time to source and receive the intake manifold.

3. Installation: Installing an intake manifold can be a complex process, requiring specialized tools and knowledge. It is highly recommended to have the part installed by a certified Mercury Marine technician to ensure proper installation and avoid potential issues.

Conclusion:

The Mercury 14086284 Marine Mercruiser 5.7L 350GM V8 Engine Intake Manifold offers several advantages, including improved engine performance, durability, OEM fitment, and warranty coverage. However, it comes with a higher cost and potential installation challenges. Ultimately, the decision to purchase this intake manifold depends on your priorities, budget, and the importance of having a high-performing and reliable engine for your marine application. If you value the benefits of OEM quality and peace of mind, then investing in a Mercury Marine OEM intake manifold may be the best choice for you.

Details:

Please see photos for all details and item condition. We part out freshwater used boats and have hundreds of Volvo Pent Mercruiser parts. Items may have imperfections, please see all photos and ask questions prior to purchase.

part #: 14086284 price

  • $189.99

specifications otsterndriv:

  • for models: Marine, 350, Mercruiser
  • for makes: Mercury
  • mpn: 14086284
  • part type: Intake Engine Manifold

offer otsterndriv:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: July 17, 2025
  • sold: 0

general otsterndriv:

  • Boat Parts > Sterndrive Motors Components > Other
  • condition: Used

seller otsterndriv:

  • # reviews: 1259
  • city: Alvin, Texas
  • rating: 97.7%

payments otsterndriv:

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  • credit card: Visa
  • wallet: Google-pay
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returns otsterndriv:

  • policy: No Returns

shipping otsterndriv:

  • type: Fixed
  • cost: $30.00
  • transit: 4-8 Days
  • class: Standard
  • service: Standard
for models: marine, 350, mercruiser, for makes: mercury, part type: intake engine manifold,
category: boat parts > sterndrive components, sku: 3821587720435791,
Mercury 14086284 Is Similar To:
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1 offer $189.99 USD
  • Used. Offer #1 priced at $189.99 + $150.00 shipping estimate = $339.99* total. Items may have imperfections, please see all photos and ask questions prior to purchase**** Here we re selling a used Mercury Marine MerCruiser 5.7L 350 GM V8 Engine Intake Manifold with part number in good used condition.+$150.00 shipping

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