21-428641

VALVE FITTING CHECK, Quicksilver

fits: MERCURY 7 offers available: $34.99–$47.81
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21-428641 Comparison

21-428641 in New other (see details) Condition
photo price summary rating
Mercury 21-428641 FITTING Check Valve Details$36.99Condition is New other (see details), Mercury 21-428641 FITTING Check Valve, FREE SHIPPING100.0%
Genuine Mercury Quicksilver Fitting Check Valve 21-428641 150-300hp DFI Details$47.81Condition is New other (see details), Genuine Mercury Quicksilver Fitting Check Valve 21-428641 150-300hp DFI, FREE SHIPPINGTop Rated99.5%
21-428641 in New Condition
photo price summary rating
Mercury Marine Outboard & Sportjet Check Valve Fitting 21-428641 Details$34.99Condition is New, Mercury Marine Outboard & Sportjet Check Valve Fitting 21-428641, FREE SHIPPING99.7%
Fitting, Check Valve Mercury 150-300hp DFI 21-428641 Details$39.96Condition is New, Fitting, Check Valve Mercury 150-300hp DFI 21-428641, FREE SHIPPING100.0%
Fitting, Check Valve Mercury 150-300hp DFI 21-428641 Details$39.72Condition is New, Fitting, Check Valve Mercury 150-300hp DFI 21-428641, shipping cost = $13.4599.9%
OEM Mercury 150-175-200-225-250-275-300HP DFI Fitting Check Valve 21-428641 Details$47.17Condition is New, OEM Mercury 150-175-200-225-250-275-300HP DFI Fitting Check Valve 21-428641, shipping cost = $6.2499.5%
Mercury Check Valve Fitting DFI 150-300hp 21-428641 Details$41.49Condition is New, Mercury Check Valve Fitting DFI 150-300hp 21-428641, shipping cost = $13.3699.8%
21-428641 QUICKSILVER Fitting Check Valve Dfi Mercury

The Quicksilver 21-428641 Mercury Fitting Check Valve is an essential component for marine engines, specifically those with DFI systems (Digital Fuel Injection) and a power range of 150-300 horsepower. This check valve is designed by Mercury Marine, a leading manufacturer known for its high-performance and reliable marine parts.

This valve is a crucial element in the fuel system, responsible for preventing fuel flow in the wrong direction. The check valve is installed in the fuel line, ensuring that fuel moves only from the fuel tank to the engine, maintaining the proper fuel pressure and flow.

The Quicksilver 21-428641 Mercury Fitting Check Valve is made of durable materials, ensuring its ability to withstand the harsh marine environment. It features a robust, corrosion-resistant brass body that provides excellent strength and longevity. Furthermore, the valve comes with a flexible, abrasion-resistant fuel hose, ensuring a secure and leak-free connection.

The valve's design includes a one-way, self-adjusting internal mechanism, allowing it to effectively seal and prevent fuel backflow without requiring any external adjustments. This automatic function ensures optimal fuel system performance, even under varying engine loads and operating conditions.

Installation of the Quicksilver 21-428641 Mercury Fitting Check Valve is straightforward and can be completed by most DIY boat owners. It comes with clear installation instructions, along with all necessary mounting hardware to make the process as straightforward as possible.

By selecting the Quicksilver 21-428641 Mercury Fitting Check Valve for your marine engine, you can enjoy peace of mind knowing that you have a high-quality, reliable component that will help maintain the fuel system's performance and efficiency. This valve is an essential investment for any boat owner, ensuring a smooth and enjoyable boating experience.

The Quicksilver 21-428641 Mercury Fitting Check Valve, designed for use with Mercury outboard engines between 150-300 horsepower with Digital Fuel Injection (DFI), is a crucial component of your engine's fuel system. Let's discuss the potential advantages and disadvantages of this check valve to help you make an informed decision.

Pros:

1. Enhanced Engine Performance: A correctly functioning check valve ensures that fuel flows in the intended direction, preventing potential fuel backflow. This can lead to improved engine performance and fuel efficiency.

2. Reliability: Quicksilver is a well-known brand in the marine industry, and their parts are often praised for their durability and reliability. This check valve is expected to last longer than some aftermarket alternatives.

3. OEM (Original Equipment Manufacturer) Part: Using an OEM part like this Quicksilver check valve ensures that it is specifically designed for your Mercury engine, which can provide peace of mind and compatibility.

Cons:

1. Cost: This OEM check valve may be more expensive than some aftermarket alternatives. However, the added cost could be justified by its reliability and fitment guarantees.

2. Availability: Depending on your location and the availability of Mercury dealerships, it might be more challenging to obtain this check valve compared to some aftermarket alternatives, which can be purchased from a wider range of retailers.

In conclusion, the Quicksilver 21-428641 Mercury Fitting Check Valve offers several advantages, including improved engine performance, reliability, and OEM fitment. However, it may have a higher cost and limited availability compared to aftermarket alternatives. Ultimately, the decision to purchase this check valve comes down to your priorities and budget. If you value the peace of mind that comes with using an OEM part and are willing to pay a premium for it, this Quicksilver check valve is a solid choice. If you're more budget-conscious, an aftermarket alternative may be a better fit for you.

Details:

1970- 1983 Yamaha xs1 tx650 tx750 nos oem exhaust valve guide 1st.s. Spotlight: a day inside . 2007 -2024 Yamaha oem compressor roller 8ca-17624-01 ATV UTV new genuine. The image to watch on YouTube.

This genuine Mercury Quicksilver check valve 21-428641 is a critical component for the fuel system of various 115-250hp dfi optima outboard engines. Ensures proper fuel flow and pressure. Fits: 1998 -2008 Mercury 115-250 hp optima dfi outboards.

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rating: 99.1% out of 100 based on 355 user ratings.
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