fits make: Mercury.

( Brand: Mercury Marine Quick Silver Parts ), ( Part Type: Fuel ), ( Manufacturer Part Number: 21-857005A ), ( Country/region Of Manufacture: United States ), ( UPC: 745061440685 )
The Mercury Marine 21-857005A Quicksilver Fuel Diaphragm Kit is an essential replacement part for Mercury outboard engines. This kit is specifically designed for the Mercury 21-inch outboard engines and includes all the necessary components to ensure the optimal performance of your fuel system.
The heart of this kit is the fuel diaphragm, which is responsible for the proper transfer of fuel from the fuel tank to the carburetor. The diaphragm is made of high-quality, durable materials to withstand the rigors of regular use on the water. Its unique design allows it to maintain a consistent fuel pressure, ensuring reliable engine operation.
The kit also includes fuel pump gaskets and o-rings. These components are crucial for maintaining a seal between the fuel pump and the fuel tank, preventing fuel leaks and ensuring efficient fuel delivery to the engine. The gaskets and o-rings are made of advanced materials that provide excellent sealing properties and resist wear and tear.
The Mercury Marine 21-857005A Quicksilver Fuel Diaphragm Kit is easy to install, with clear instructions provided in the package. The kit includes all the necessary hardware for installation, making it a convenient and hassle-free solution for maintaining the fuel system on your Mercury outboard engine.
In summary, the Mercury Marine 21-857005A Quicksilver Fuel Diaphragm Kit is a high-quality, essential replacement part for Mercury 21-inch outboard engines. It includes a durable fuel diaphragm, fuel pump gaskets, and o-rings, all of which are designed to provide reliable and efficient fuel delivery to the engine. The kit is easy to install, ensuring that you can quickly get back out on the water with peace of mind.
The Mercury Marine 21-857005A QuickSilver Fuel Diaphragm Kit is a replacement part designed for Mercury Marine outboard engines. This kit includes fuel diaphragms, which are essential components of the engine's fuel system that help maintain fuel pressure and ensure proper engine operation. Here are some pros and cons of buying this fuel diaphragm kit:
Pros:1. OEM Part: This fuel diaphragm kit is a genuine Mercury Marine part, ensuring a perfect fit and compatibility with your engine.
2. Improved Performance: A new fuel diaphragm can help improve engine performance by maintaining proper fuel pressure and preventing fuel leaks.
3. Reliability: Mercury Marine is a well-known and reputable brand, and their parts are known for their reliability and durability.
4. Easy Installation: The fuel diaphragm kit is relatively easy to install, and Mercury Marine provides clear installation instructions to make the process as smooth as possible.
Cons:1. Cost: Compared to some aftermarket alternatives, the Mercury Marine fuel diaphragm kit can be more expensive.
2. Availability: Depending on your location, it may take some time to receive the fuel diaphragm kit from the manufacturer or authorized dealer.
3. No Universal Fit: This fuel diaphragm kit is specific to Mercury Marine engines, so it may not be a suitable replacement for other outboard engine brands.
In conclusion, the Mercury Marine 21-857005A QuickSilver Fuel Diaphragm Kit is an excellent choice for Mercury Marine outboard engine owners who want to ensure the proper functioning of their fuel systems and maintain their engine's performance. While it may be more expensive than some aftermarket alternatives, the reliability and compatibility of this OEM part make it a worthwhile investment.
Therefore, if you own a Mercury Marine outboard engine and need to replace your fuel diaphragms, the Mercury Marine 21-857005A QuickSilver Fuel Diaphragm Kit is the recommended choice.
New Old Stock. Pictures are Part of. Mercury QuickSilver OEM 21-857005A1 Diaphragm Kit.