MERCURY 346260 Gm Inboard Engine Intake Manifold 5.7 350/ 5.0L V8 2BBL

( Manufacturer Part Number: 346260 ), ( Part Type: Intake Engine Manifold ), ( Country Of Origin: United States )

Review MERCURY 5.7 350/ 5.0l V8 Gm Inboard Engine Intake Manifold fits MERCRUISER MARINE 350 305

The Mercury 346260 intake manifold is a crucial component of the Mercruiser 5.7 350/5.0L 305 V8 GM Marine Inboard Engine. This manifold is meticulously designed to optimize the engine's air intake for enhanced performance and fuel efficiency.

The 346260 intake manifold is a two-barrel design, meaning it accommodates two throttle bodies that feed air into the engine's combustion chambers. Each barrel is equipped with a built-in throttle body and meticulously engineered intake ports that facilitate the smooth and efficient delivery of air into the engine.

The intake manifold is crafted from high-quality materials, including aluminum alloy, which offers excellent heat conductivity and durability. It features a polished finish, adding an aesthetic touch to the engine compartment.

The intake ports on this manifold are designed with precise geometry and dimensions to ensure optimal air flow into the engine. The ports are also equipped with fuel injectors, allowing for a precise mixture of air and fuel for efficient combustion.

The intake manifold is also compatible with various engine control systems, including electronic fuel injection (EFI) and carbureted systems. It is designed to work seamlessly with the engine's wiring harness and sensor connectors for hassle-free installation and operation.

The 346260 intake manifold is a direct replacement for the original equipment manifold, making it an ideal choice for engine repairs or upgrades. It comes complete with all necessary gaskets and hardware for a straightforward installation process.

In summary, the Mercury 346260 intake manifold is a high-performing and durable component that plays a vital role in the operation of the Mercruiser 5.7 350/5.0L 305 V8 GM Marine Inboard Engine. Its precise design, compatibility with various engine control systems, and ease of installation make it a valuable addition to any marine engine.

The Mercury 346260, also known as the Mercruiser 5.7 350/5.0L 305 V8 GM Marine Inboard Engine Intake Manifold 2bbl, is a popular choice for boat owners due to its power and reliability. However, like any engine component, it comes with its own set of pros and cons.

1. Power: This engine manifold is designed to support high-performance applications. With a displacement of 350 cubic inches, it delivers ample power for most recreational boats.

2. Durability: GM Marine engines are known for their durability and longevity. This intake manifold is no exception, as it is built to withstand the rigors of marine use.

3. Availability: This intake manifold is widely available from marine parts suppliers, making it easy to find and purchase when needed.

4. Fuel Efficiency: Compared to some other high-performance marine engines, the 305 V8 is relatively fuel-efficient.

1. Complexity: This engine is more complex than some other marine engines, which can make repairs and maintenance more challenging and expensive.

2. Cost: The 350 cubic inch engine is more expensive than some smaller marine engines. This can make it a less cost-effective option for boat owners on a tight budget.

3. Size: This engine is larger than some other marine engines, which can make it more difficult to install in smaller boats or tight engine compartments.

The Mercury 346260 intake manifold is a powerful and durable option for boat owners looking for high performance from their marine engine. However, it comes with some drawbacks, including complexity, cost, and size. Ultimately, the decision to purchase this intake manifold will depend on the specific needs and budget of the boat owner.

If you are looking for high power and reliability from your marine engine, the Mercury 346260 intake manifold is a solid choice. However, if you are working with a tight budget or have limited space in your engine compartment, you may want to consider a smaller, less complex marine engine. It is always a good idea to consult with a marine engine expert or supplier to help you make an informed decision based on your specific needs and circumstances.

Details:

New parts are listed weekly. Used intake manifold for the 5.0 5.7 L GM engines non-vortex. Fits 1970 s 1994. See photos for specific area wear.

part #: 346260 prices

• $100.00-$199.00

specifications otsterndriv:

• for models: Marine, 350, 305, Mercruiser
• for makes: Mercury
• mpn: 346260
• part type: Intake Engine Manifold
• country of origin: United States

payments otsterndriv:

• wallet: Apple-pay
• credit card: Mastercard
• other

general otsterndriv:

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

seller otsterndriv:

• rating: 99.1%
• city: Ellicott City, Maryland
• # reviews: 1300

shipping otsterndriv:

• service: USPS Ground Advantage
• transit: 10-13 Days
• type: Calculated
• class: Standard
• cost: $79.30
• carrier: USPS

returns otsterndriv:

• policy: No Returns

offer otsterndriv:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: March 20, 2026

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