BORG WARNER S4221 Pressure Switch Boat A49

( Brand: Borg Warner ), ( Part Type: Pressure Switch ), ( Manufacturer Part Number: S4221 )

Review BORG WARNER A49 Pressure Switch Oem New Factory Boat Parts

The Borg Warner S4221 A49 pressure switch is a vital component in marine applications, specifically designed for regulating the fuel delivery to the engine in boats and other watercrafts. This pressure switch is engineered to provide reliable and efficient performance in various engine and operating conditions.

The S4221 A49 pressure switch operates based on a poppet design, which allows it to switch ON or OFF the fuel pump as required. The switch is activated when the engine vacuum reaches a predetermined level, typically somewhere between 4.5 and 6 inches of mercury. Conversely, when engine RPMs exceed a specified threshold, the switch turns OFF the fuel pump to prevent flooding.

Constructed of high-quality materials, the Borg Warner S4221 A49 pressure switch boasts an anodized aluminum housing for durability and corrosion resistance. The switch includes a two-position switch output that offers both normally open (NO) and normally closed (NC) configurations, catering to various instrumentation and engine control systems.

The weighty spring inside the switch ensures a fast and accurate response time, which is essential in marine applications to ensure smooth engine operation. The switch itself is made to withstand continuous operation in harsh marine environments with powerful fuel pump currents and is highly resistant to marine corrosion.

In Summary, the Borg Warner S4221 A49 pressure switch is a dependable component for boat engines. It effectively manages fuel delivery by switching the fuel pump ON and OFF as engine vacuum and RPM levels dictate. With its robust anodized aluminum housing and fast response time, this pressure switch stands strong in the harsh marine environment and supports efficient engine performance.

The Borg Warner S4221 A49 pressure switch is a commonly used component in marine applications for supplying engine-driven cooling water to the arriers or water pumps. Here are some potential pros and cons for considering the purchase of this pressure switch:

1. Durability: Borg Warner is known for manufacturing high-quality marine parts, and the S4221 A49 pressure switch is no exception. It is built to withstand the rigors of a marine environment and is resistant to corrosion and other forms of damage.

2. Reliability: This pressure switch is designed to provide reliable operation in a boats cooling system. It features a robust internal mechanism that can handle high pressure and can effectively detect when the system needs to engage the water pump.

3. Wide Applicability: The S4221 A49 pressure switch is a versatile component that can be used in a wide range of marine applications. It can be used in both freshwater and seawater systems, making it a popular choice among boat owners.

4. Easy Installation: Installing the S4221 A49 pressure switch is a straightforward process that can typically be done in a short amount of time. The switch comes with clear instructions and requires no special tools for installation.

1. Price: Compared to some other pressure switches on the market, the Borg Warner S4221 A49 can be considered more expensive. However, its durability and reliability often justify the investment.

2. Limited Customizability: The S4221 A49 pressure switch comes with standard settings that may not be suitable for all boats or engine configurations. Some boat owners may prefer a pressure switch that offers more customization options.

3. Potential for False Alarms: In some cases, the S4221 A49 pressure switch may emit false alarms, indicating that the water pump needs to engage even when it is not necessary. This can be caused by mineral buildup in the cooling system or other issues.

Overall, the Borg Warner S4221 A49 pressure switch is a reliable and durable component that can effectively monitor the cooling system of a marine engine. While it may be more expensive than some other options and may not offer as much customizability, its robust design and long lifespan make it a worthwhile investment for boat owners looking for a high-quality pressure switch to ensure the safety and longevity of their boats engine.

If you are in the market for a high-quality pressure switch for your marine engine, the Borg Warner S4221 A49 is an excellent choice. Although it comes with a higher price tag, its durability and reliability make it a wise investment for boat owners who prioritize the longevity and safety of their boats cooling system.

Details:

part #: s4221 price

• $19.93

specifications vesselveep:

• brand: Borg Warner
• part type: Pressure Switch
• manufacturer part number: S4221

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

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• other
• wallet: Google-pay
• credit card: Discover

shipping vesselveep:

• cost: $4.95
• class: Expedited
• type: Fixed
• transit: 5-10 Days
• service: Expedited

seller vesselveep:

• # reviews: 62295
• rating: 99.0%
• city: Crystal River, Florida

returns vesselveep:

• policy: No Returns

offer vesselveep:

• started: January 31, 2025
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• best offers: True

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