fits model: 427, Mercruiser. make: Mercury.

( Manufacturer Part Number: 1347-73689A1 ), ( Part Type: Sterndrive Carburetor ), ( Country/region Of Manufacture: United States )
The Mercury 1347-73689A1 Mercruiser Sterndrive Carburetor is a high-performance marine carburetor specifically designed for GM 427 engines. This carburetor is an essential component of your boat's engine system, supplying the correct air-fuel mixture for efficient combustion.
This Mercury carburetor boasts a robust design, with a cast aluminum body that offers excellent heat dissipation capabilities. Its four-barrel configuration ensures optimal fuel delivery for larger engines, enhancing power and acceleration. The carburetor also features a mechanical secondaries system, which provides an additional fuel supply during wide-open throttle conditions, ensuring smooth power delivery.
The Mercury 1347-73689A1 carburetor comes with a factory-calibrated air gap setting, making it easy to install and use right out of the box. It is also equipped with an automatic choke system, ensuring easy starting in various temperatures and conditions. This carburetor is designed to meet the rigorous requirements of marine applications, with features such as corrosion-resistant materials and a durable, water-resistant finish.
The Mercury 1347-73689A1 Mercruiser Sterndrive Carburetor is also compatible with various Mercury and Mariner engines, offering versatility and convenience for boat owners. It is important to note that this carburetor is designed for use with gasoline fuel only and is not suitable for use with diesel or ethanol fuels.
In summary, the Mercury 1347-73689A1 Mercruiser Sterndrive Carburetor is a high-performance, reliable, and durable marine carburetor designed for use with GM 427 engines. Its robust design, optimal fuel delivery, and easy installation make it an excellent choice for boat owners looking to enhance the performance and efficiency of their marine engines.
The Mercury 1347-73689A1 is a carburetor designed for use with the GM 427 engine in Mercury Marine applications. In this analysis, we will discuss the key features, advantages, and disadvantages of this carburetor to help boat owners make an informed decision about its purchase.
Features:1. Quad-bore design: The Mercury 1347-73689A1 features a quad-bore design, which allows for four throats instead of the typical two or three, enhancing fuel distribution and improving engine performance.
2. Adjustable main jets: This carburetor comes with adjustable main jets, enabling fine-tuning of the fuel mixture for optimal engine performance.
3. Integrated choke system: The Mercury 1347-73689A1 includes an integrated choke system, simplifying the starting process and eliminating the need for external choke systems.
Advantages:1. Improved fuel efficiency: The quad-bore design and adjustable main jets allow for precise fuel mixture adjustments, leading to improved fuel efficiency and better overall engine performance.
2. Simplified starting: The integrated choke system makes starting the engine easier, as there is no need for external choke systems.
3. Durable construction: Mercury Marine is known for producing high-quality components, ensuring that the 1347-73689A1 carburetor is built to last and capable of withstanding the rigors of marine environments.
Disadvantages:1. Complexity: The quad-bore design and adjustable main jets may be more complex compared to traditional carburetors, requiring more time and expertise for installation and tuning.
2. Cost: The Mercury 1347-73689A1 carburetor may be more expensive compared to other aftermarket options, making it a significant investment for boat owners.
3. Limited availability: This carburetor is specifically designed for use with the GM 427 engine and Mercury Marine applications, limiting its availability for boat owners with different engine configurations.
Conclusion:The Mercury 1347-73689A1 carburetor is an excellent choice for boat owners with GM 427 engines, offering improved fuel efficiency, simplified starting, and durable construction. However, its complex design, higher cost, and limited availability may deter some boat owners from making this investment. Ultimately, the decision to purchase the Mercury 1347-73689A1 carburetor depends on the individual boat owner's engine configuration, budget, and desired performance improvements.
Recommendation:For boat owners with GM 427 engines seeking improved fuel efficiency, simplified starting, and the peace of mind that comes with a high-quality marine component, the Mercury 1347-73689A1 carburetor is a solid investment. However, those with tight budgets or engines not compatible with this carburetor may want to explore alternative options to meet their specific needs.
1347-73689A1 Carburetor, GM 427 NLA CLOSEOUT, .: Outboard Paradise.