93979 VIAIR Relay

Review VIAIR Heavy Duty Relay 24v 40a-24v 40-amp

The VIAIR 93979 Combo Kit is a versatile and powerful 24V, 40-amp DC relay system designed for various automotive applications. This heavy-duty accessory is an essential addition for those who require reliable and efficient power management for their vehicle's accessories, such as compressors, pumps, winches, and lights.

The kit includes a high-performance 40-amp 24V DC relay, a 10-amp 24V DC auxiliary switch, and all necessary wiring and mounting hardware. The relay is designed to handle up to 40 amps of continuous current, ensuring that it can reliably power even the most demanding accessories. Its robust construction features a gold-plated contact surface, which minimizes corrosion and ensures a long-lasting performance.

The kit also comes with an auxiliary switch, which allows users to manually control the accessory, providing added convenience and safety. The switch is rated for 10 amps and is designed to be easily mounted in various locations within the vehicle.

The wiring harnesses included in this kit are carefully engineered to make installation as straightforward as possible. All wires are color-coded for easy identification and have protective covers to prevent damage. Additionally, the kit includes a detailed instruction manual, which provides step-by-step guidance on installation and wiring.

The VIAIR 93979 Combo Kit is compatible with a wide range of automotive applications, including off-road vehicles, RVs, boats, and commercial vehicles. Its rugged design and high-quality components make it an ideal choice for those who demand reliable and efficient power management for their accessories.

In summary, the VIAIR 93979 Combo Kit is a versatile and powerful 40-amp 24V DC relay system designed for various automotive applications. It includes a high-performance relay, an auxiliary switch, and all necessary wiring and mounting hardware. Its rugged construction, easy installation, and compatibility with a wide range of applications make it an essential addition for anyone who requires reliable and efficient power management for their vehicle's accessories.

Pros and Cons of buying a VIAIR 93979 Relay (24V, 40A) for Your Compressor System

The VIAIR 93979 is a 24V, 40-amp heavy-duty automotive relay designed to power compressors, air tanks, and other accessory systems. This relay is popular among off-roaders, RVers, and other vehicle enthusiasts who require reliable and robust power solutions for their compressor systems. In this article, we will discuss the key advantages and disadvantages of purchasing a VIAIR 93979 relay.

1. High Current Capacity: The VIAIR 93979 can handle a maximum current of 40 amps, making it suitable for powering high-demand compressor systems and other heavy-duty accessories.

2. Robust Construction: This relay features a durable, automotive-grade design with a die-cast aluminum housing, gold-plated contacts, and a high-temperature silicone seal. This ensures long-lasting performance in harsh environments.

3. Easy Installation: The VIAIR 93979 comes with a wiring harness and mounting hardware, making installation straightforward for most users. The relay is also designed to be used in both 12V and 24V systems, increasing its versatility.

4. Improved System Efficiency: By using a relay to power your compressor system, you can ensure that the battery is not constantly drained when the compressor is in use. This can help improve the overall efficiency of your vehicle's electrical system.

5. Enhanced Safety: The VIAIR 93979 features over-current protection, reverse polarity protection, and over-temperature protection. These safety features help prevent damage to the relay and the connected components.

1. Cost: The VIAIR 93979 is priced higher than some other relays on the market. However, its robust construction and high current capacity may justify the additional cost for those with demanding compressor systems.

2. Size: The VIAIR 93979 is larger than some other relays, which may make it a less ideal choice for those with limited space in their vehicle's electrical system.

3. Power Consumption: While the VIAIR 93979 is designed to improve system efficiency by preventing constant battery drain, it does consume some power when in use. This may be a consideration for those with smaller batteries or extended off-grid adventures.

The VIAIR 93979 is a well-designed and reliable heavy-duty automotive relay suitable for powering compressor systems and other high-demand accessory systems. Its advantages include its high current capacity, robust construction, easy installation, improved system efficiency, and enhanced safety features. The primary disadvantages are its cost, size, and power consumption. If you require a reliable power solution for your compressor system and can afford the additional cost, the VIAIR 93979 is a solid choice. However, if you have limited space or are concerned about power consumption, you may want to consider alternative options.

For those requiring a reliable and robust power solution for their compressor system, the VIAIR 93979 is a well-regarded option. Its high current capacity, durable design, and safety features make it an excellent choice for off-roaders, RVers, and other vehicle enthusiasts. However, it is essential to consider the relay's cost, size, and power consumption before making a purchase. If these factors are a concern, you may want to explore alternative options with similar specifications to find a solution that better fits your needs and budget.

Details:

Further warranty may be offered by the product manufacturer. Warranty issues with all power equipment must be addressed through the manufacture. Viair heavy duty relay,24v,40a-24v,40-amp 93979. If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers.

specifications genpurrelays:

• brand: Viair
• mpn: 93979
• type: Discontinued Product
• item height: 4.000
• item length: 10.000
• item width: 6.000
• country/region of manufacture: China
• california prop 65 warning: Warning
• upc: 818114009792

seller genpurrelays:

• city: hibbing, minnesota
• # reviews: 138605
• rating: 99.0%

general genpurrelays:

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

payments genpurrelays:

• other
• wallet: paypal
• credit card: visa

offer genpurrelays:

• sold #: 15
• availability: in stock
• started: june 20, 2025
• options: ship-to-home
• in stock #: 5
• prices: $42.44–$439.95
• item condition: New

returns genpurrelays:

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

shipping genpurrelays:

• carrier: ups
• type: fixed
• transit: 4-7 days
• service: ups ground
• class: standard