ST404 NAPA Echlin Relay Solenoid

Review NAPA Echlin Relay Solenoid New

The Napa ST404 Echlin Relay Solenoid is a crucial component in various automotive applications, particularly in fuel systems and power steering systems. This solenoid is an electrically operated switch that uses a relay to control the flow of electrical current to an actuator.

The solenoid housing is made of high-quality, durable materials that can withstand the rigors of automotive use. It features a robust, corrosion-resistant design that ensures reliable performance even in harsh environments. The solenoid is sealed to protect against moisture and other contaminants, making it suitable for use in both gasoline and diesel engines.

The Napa ST404 Echlin Relay Solenoid operates by receiving an electrical signal from the vehicle's power train control module (PTCM) or other relevant control unit. When the signal is received, the relay activates, allowing electrical current to flow to the actuator. This causes the actuator to move, allowing fluid to flow or creating another desired effect.

The solenoid features a compact design that makes it easy to install in various applications. It comes with a wiring harness that simplifies the connection process, and clear markings on the solenoid body help ensure proper installation. The Napa ST404 Echlin Relay Solenoid is a direct replacement for the original equipment part and meets or exceeds OEM specifications for performance and durability.

In summary, the Napa ST404 Echlin Relay Solenoid is a high-performance and reliable component that is essential in various automotive applications. It is made of durable materials, features a robust design, and is easy to install. The solenoid is a direct replacement for the original equipment part and is backed by Napa's commitment to quality and customer satisfaction.

The NAPA ST404 Echlin Relay Solenoid is a vital component in various automotive systems, including power brakes and power steering. Below are some pros and cons of buying this part to help you make an informed decision.

1. Durable and Reliable: NAPA is known for manufacturing high-quality automotive parts. The ST404 Echlin Relay Solenoid is no exception, as it is built to last and can effectively manage the flow of fluids in your vehicle's power steering and braking systems.

2. Universal Fitment: This solenoid comes with a universal application, making it compatible with a wide range of vehicles. This versatility can save you time and money, as you won't have to search for a specific part for your make and model.

3. Easy Installation: The NAPA ST404 Echlin Relay Solenoid is designed for easy installation, ensuring that the replacement process is quick and hassle-free.

1. Possible Compatibility Issues: Although marketed as universal, there have been reports of compatibility issues with certain vehicle models. Therefore, it is essential to double-check the application before making a purchase.

2. Potential for Noise: Some customers have reported that the solenoid produces a loud clicking noise when in operation. This noise can be annoying but does not usually indicate a malfunction.

3. Limited Warranty: NAPA offers a limited warranty on the ST404 Echlin Relay Solenoid, which may not cover all potential issues. Be sure to review the warranty terms carefully before making a purchase.

The NAPA ST404 Echlin Relay Solenoid is a reliable and durable automotive component that can effectively manage the flow of fluids in your vehicle's power steering and braking systems. Its universal application and easy installation make it a convenient choice for many vehicle owners. However, there have been reports of compatibility issues and potential noise, which may be worth considering before making a purchase. Ultimately, the decision to buy the NAPA ST404 Echlin Relay Solenoid depends on your specific needs and circumstances.

If you are in need of a reliable and versatile automotive component for your power steering or braking system, the NAPA ST404 Echlin Relay Solenoid is a solid choice. However, be sure to double-check its compatibility with your vehicle model before making a purchase. Additionally, consider the potential for noise and the limited warranty when deciding if this part is the best fit for your needs.

Details:

Ups next day am. Ups 2 day air am. These services include: ups 3 day select.

New other, box may show signs of shelf wear. Item is sold as pictured. Prices for these options may differ from standard ground shipping. Napa ST404 echlin relay solenoid.

The cost of combined shipping depends on weight, location buyer and size box.

specifications genpurrelays:

• brand: Napa
• mpn: St404
• part type: Solenoid

payments genpurrelays:

• check
• other
• money order
• credit card: discover
• wallet: paypal

offer genpurrelays:

• sold #: 15
• prices: $19.99–$25.95
• item condition:
  • New
  • New other (see details)
  • New – Open box
• started: june 26, 2025
• in stock #: 5
• best offers: true
• availability: in stock
• options: ship-to-home

shipping genpurrelays:

• type: calculated
• service: usps priority mail, ups ground, usps priority mail express, ups next day air
• transit: 5-9 days
• carrier: usps, ups
• class: expedited, standard, one-day

returns genpurrelays:

• paid by: buyer
• time: 30 days
• policy: returns accepted
• method: money back

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

seller genpurrelays:

• # reviews: 22083
• city: kawkawlin, michigan
• rating: 99.8%