
4267303 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $149.00 | Condition is Used, mercruiser 3.0 intake manifold 4267303, shipping cost = $107.72 | 99.7% |

The Mercruiser 4267303 3.0 Intake Manifold is a crucial component of the marine engine system, designed to optimize the intake of air and fuel into the engine for efficient combustion and optimal performance. This intake manifold is specifically engineered for Mercruiser 3.0 Liter engines, ensuring a perfect fit and seamless integration into the marine powertrain.
The intake manifold is meticulously crafted using high-quality materials, including aluminum alloy, which is known for its durability and resistance to corrosion. Its sleek, compact design maximizes available engine space while minimizing weight, making it an ideal choice for marine applications.
This intake manifold features an innovative multi-port design, allowing for optimal air and fuel distribution to each cylinder. The ports are meticulously engineered to ensure precise fuel atomization and efficient air intake, which in turn leads to improved engine performance and reduced emissions.
The intake manifold also comes with integrated fuel injectors, which are designed to deliver precise and consistent fuel delivery to the engine. These injectors are engineered to meet the stringent emission standards set by regulatory bodies, ensuring compliance with environmental regulations.
The intake manifold's surface is finished with a high-gloss coating that not only enhances its aesthetic appeal but also provides an additional layer of protection against the harsh marine environment. This coating not only looks great but also helps to prevent corrosion and wear, ensuring the intake manifold maintains its functionality and appearance for years to come.
In summary, the Mercruiser 4267303 3.0 Intake Manifold is a high-performance, durable, and reliable component designed specifically for Mercruiser 3.0 Liter engines. Its innovative multi-port design, integrated fuel injectors, and high-quality materials make it an essential addition to any marine powertrain, delivering optimal engine performance and efficiency while ensuring compliance with environmental regulations.
Pros and Cons of Buying Mercruiser 4267303 3.0 Intake Manifold for Your Marine Engine
Introduction:The Mercruiser 4267303 3.0 Intake Manifold is a crucial component of your marine engine, responsible for delivering air and fuel mixture to the engine's combustion chambers. Replacing an old or damaged intake manifold can improve engine performance and fuel efficiency. In this article, we will discuss the pros and cons of buying a Mercruiser 4267303 3.0 Intake Manifold for your marine engine.
Pros:1. Improved Engine Performance: A new intake manifold can help improve the overall performance of your marine engine. It ensures a proper air-fuel mixture, leading to better combustion and increased horsepower.
2. Better Fuel Efficiency: A well-designed intake manifold can help improve fuel efficiency by ensuring that the engine receives the optimal amount of fuel-air mixture.
3. Longer Engine Life: A new intake manifold can help extend the life of your marine engine by preventing potential issues like misfiring or poor combustion.
4. OEM Quality: The Mercruiser 4267303 3.0 Intake Manifold is an original equipment manufacturer (OEM) part, meaning it is made to the same specifications and quality as the original part that came with your engine.
Cons:1. Cost: Replacing an intake manifold can be a costly repair, especially for larger marine engines. The price of the part itself, as well as the labor costs, can add up quickly.
2. Installation Complexity: Installing an intake manifold can be a complex process, especially for those without experience in marine engine repair. It may require specialized tools and knowledge.
3. Potential for Additional Repairs: If the intake manifold was replaced due to other underlying engine issues, additional repairs may be necessary to ensure the engine runs smoothly and efficiently.
Conclusion:The Mercruiser 4267303 3.0 Intake Manifold is an essential component of your marine engine, and replacing it with a new OEM part can offer numerous benefits, such as improved engine performance, better fuel efficiency, and longer engine life. However, the cost and installation complexity are significant drawbacks. If you notice signs of a faulty intake manifold, such as misfiring or poor engine performance, it's crucial to address the issue promptly to prevent further damage to your engine.
Recommendation:If you're experiencing issues with your marine engine's intake manifold, it's recommended to consult a professional marine engine repair technician to assess the situation and provide you with an accurate diagnosis and repair quote. They can help determine if replacing the intake manifold is the best course of action and guide you through the installation process if needed. If you feel comfortable with the installation process, purchasing the Mercruiser 4267303 3.0 Intake Manifold from a reputable marine parts supplier can help ensure you receive a high-quality OEM part.
Details:
All chambers are clear and flushed. Light to moderate surface corrosion. Not bent cracked or broken. Light build up on interior chambers.
specifications inboardfuel:
- brand: Mercruiser
- mpn: 4267303
- part type: Intake Manifold
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
shipping inboardfuel:
- transit: 4-11 days
- carrier: ups
- service: ups ground
- type: calculated
- class: standard
seller inboardfuel:
- # reviews: 299
- rating: 99.4%
- city: rhoadesville, virginia
payments inboardfuel:
- other
- credit card: visa
- wallet: paypal
offer inboardfuel:
- options: ship-to-home
- sold #: 10
- in stock #: 1
- started: january 10, 2026
- price: $149.00
- item condition: Used
- availability: in stock
returns inboardfuel:
- policy: no returns
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