fits model: Efi, Marine, 350, Mercruiser. make: Mercury. year: 1999.

( Manufacturer Part Number: 807979 ), ( Part Type: Fuel Engine Pump ), ( Country/region Of Manufacture: United States )
The Mercury 807979 Mercruiser 5.7 EFI 350 GM Vortec V8 marine engine gas fuel pump is a crucial component of the engine's fuel system, designed to deliver a consistent and reliable fuel supply to the engine for optimal performance. This fuel pump is specifically engineered for use with Mercury Marine's 5.7 liter EFI 350 GM Vortec V8 engines, ensuring a perfect fit and seamless integration.
The pump features a robust and durable design, with a cast aluminum housing that provides excellent protection against the rigors of the marine environment. The impeller is engineered to provide a high volume of fuel flow, ensuring that the engine receives the fuel it needs, even under heavy load conditions. The pump also includes a unique strainer design that helps to prevent debris and contaminants from entering the fuel system, reducing the risk of damage and ensuring longer engine life.
The Mercury 807979 fuel pump is designed to be easy to install, with a simple bolt-on design that allows for quick and straightforward installation. The pump also includes a built-in bypass system that provides added protection against air entrainment and cavitation, ensuring that the engine receives a consistent fuel supply even in challenging operating conditions.
This fuel pump is also equipped with a high-quality, OEM-grade fuel filter element that helps to ensure that the fuel entering the engine is clean and free of contaminants. The filter element can be easily replaced when needed, ensuring that the fuel system remains in top condition and that the engine continues to perform at its best.
In summary, the Mercury 807979 Mercruiser 5.7 EFI 350 GM Vortec V8 marine engine gas fuel pump is a high-performance and reliable component that is essential for ensuring optimal engine performance. Its robust and durable design, easy installation, and built-in bypass system make it an ideal choice for use in marine applications, while its high-quality fuel filter element helps to ensure that the engine receives a clean and consistent fuel supply.
The Mercury 807979 Mercruiser 5.7 EFI 350 GM Vortec V8 marine engine gas fuel pump is a crucial component for the proper functioning of your marine engine. This article aims to provide an in-depth analysis of the pros and cons of purchasing this fuel pump for your Mercury 5.7 EFI V8 engine.
Pros:1. High-Performance: This fuel pump is designed to deliver a consistent fuel flow rate, ensuring optimal engine performance. Its high-capacity design caters to the demands of larger engines, making it an excellent choice for power-hungry marine applications.
2. Reliability:GM Vortec engines are known for their durability and dependability. The Mercury fuel pump is a direct replacement for the OEM part, ensuring a seamless fit and reliable operation.
3. Easy Installation: The fuel pump comes with all necessary hardware, making the installation process straightforward and hassle-free. Mercury provides clear and concise installation instructions, ensuring that even novice boat owners can complete the installation with ease.
Cons:1. Cost: Compared to other aftermarket fuel pumps, the Mercury 807979 fuel pump is relatively expensive. This might deter some boat owners from making the purchase.
2. Potential for Leaks: As with any fuel pump, there is a risk of leaks. Proper installation, regular maintenance, and the use of high-quality seals can help mitigate this risk.
3. Limited Availability: This fuel pump is a specialized component, meaning it might not be readily available at all marine parts stores. Ordering it online or through a Mercury dealer is the most reliable way to acquire it.
Conclusion:The Mercury 807979 Mercruiser 5.7 EFI 350 GM Vortec V8 marine engine gas fuel pump offers several advantages, including high performance, reliability, and easy installation. However, its relatively high cost, potential for leaks, and limited availability are potential drawbacks. Ultimately, if you value the peace of mind that comes with using a high-quality, OEM-manufactured fuel pump and can afford the cost, this pump is an excellent choice for your Mercury 5.7 EFI V8 engine.
Recommendation:If you're in the market for a new fuel pump for your Mercury 5.7 EFI V8 engine and are willing to invest in a high-performance, reliable component, the Mercury 807979 fuel pump is a solid choice. Make sure to order it from a trusted supplier, follow the installation instructions carefully, and perform regular maintenance to ensure optimal performance and minimize the risk of leaks.
Shelf 29-8-3-A. I will do my best to resolve the issue. Thanks -Mike. Please look at all pictures and read entire before buying.
Condition: Good used condition. Look at pictures closely and ask any questions, I try to describe parts as best can. What you see in the pictures is what get. Part was removed from a 1999 Mercruiser 5.7 EFI Marine engine.
Mounting hardware is only included if it shown in the pictures.