SW3918 WELLS Transfer Switch F-150 F-250 F-350 F-450 550

Review WELLS Transfer Case Switch For for EXCURSION EXPEDITION F-150 F-250 F-350 F-450 550

The Wells SW3918 Transfer Switch is an essential accessory for those who own Ford Excursion, Expedition, F-150, F-250, F-350, or F-450 models equipped with a generator for backup power or off-grid applications. This transfer switch is designed to safely and efficiently manage the power flow between your vehicle's battery and the generator, ensuring optimal performance and reliability.

This heavy-duty transfer switch is constructed with industrial-grade materials, including a powder-coated steel housing that provides durability and resistance to harsh environments. It can handle up to three 50-amp loads, making it suitable for powering various appliances and devices at once. Each of the switch's three positions is clearly labeled for easy identification: "Generator," "Battery," and "Off."

The SW3918 transfer switch features a conveniently located handle that allows for effortless operation. When in the "Generator" position, power is supplied from the generator to the vehicle's electrical system. In the "Battery" position, power is sourced from the vehicle's battery, ensuring the generator does not accidentally start while the vehicle is moving. The "Off" position disconnects power from both the generator and the vehicle's battery, ensuring safety during maintenance or transportation.

This transfer switch comes with two 30-amp 125V AC circuit breakers and one 50-amp 125V AC circuit breaker pre-installed. These circuit breakers are designed to protect against overcurrent situations and automatically disconnect the power source if necessary, enhancing the safety of your power system.

The SW3918 transfer switch is compatible with various generator brands, including Onan, Caterpillar, and Champion, among others. It is also UL-listed and meets the stringent safety requirements set by Underwriters Laboratories. The kit includes mounting hardware and all necessary wiring, making the installation process straightforward and hassle-free.

In summary, the Wells SW3918 Transfer Switch is an indispensable accessory for Ford Excursion, Expedition, F-150, F-250, F-350, and F-450 vehicle owners who require backup power or off-grid capabilities. Its rugged construction, versatility, and safety features make it a reliable and essential addition to your power system.

The Wells SW3918 transfer switch is a popular option for those looking to add a generator to their Ford Excursion, Expedition, F-150, F-250, F-350, or F-450/550. Here are some pros and cons of investing in this transfer switch:

1. Compatibility: The transfer switch is compatible with a wide range of Ford vehicles, making it a versatile choice for many customers.

2. Reliability: Wells is a reputable brand in the generator transfer switch market, and the SW3918 is known for its durability and reliability.

3. Easy installation: The transfer switch comes with clear instructions and is designed for easy installation, making it a good option for DIYers.

4. Safety features: The SW3918 includes safety features such as automatic transfer in case of power outages and reverse polarity protection.

5. Versatility: The transfer switch can handle generators up to 12,000 watts, making it suitable for a wide range of power needs.

1. Cost: The transfer switch can be quite expensive compared to other options on the market.

2. Size: The transfer switch is larger than some other options, which may make installation more challenging in some vehicles.

3. Complexity: While the transfer switch is designed to be easy to install, some customers have reported that the process can be more complicated than they anticipated.

4. Wiring: Properly wiring the transfer switch can be a challenge for those without electrical expertise.

In conclusion, the Wells SW3918 transfer switch is a reliable and versatile option for those looking to add a generator to their Ford vehicle. However, its high cost and potential installation complexity are important considerations. Ultimately, the decision to purchase this transfer switch depends on your individual needs and budget.

If you are comfortable with electrical work and have the necessary expertise, the SW3918 could be a good investment due to its reliability and safety features. However, if you are looking for a more affordable or simpler option, there may be other transfer switches on the market that better suit your needs. It's always a good idea to do your research and consult with a professional electrician if you have any doubts about the installation process.

Details:

We typically ship USPS, occasionally ups or FedEx. All warranty related issues must be taken directly to the manufacturer. Parts may arrive in non factory packaging.

specifications differentialsdepo:

• for models: F-150, F-250, F-350, F-450, 550, Excursion, Expedition
• brand: Wells
• mpn: Sw3918
• type: Transfer Case Switch
• california prop 65 warning: Attention California Customers, Which Are Known To The State Of California To Cause Cancer, And Birth Defects Or Other Reproductive Harm.
• upc: 195591417723

shipping differentialsdepo:

• service: economy
• transit: 3-8 days
• class: economy
• type: fixed

offer differentialsdepo:

• prices: $25.00–$76.91
• item condition:
  • New other (see details)
  • New
• sold #: 6
• availability: in stock
• started: june 10, 2026
• options: ship-to-home
• in stock #: 5

payments differentialsdepo:

• wallet: apple-pay
• other
• credit card: diners-club

seller differentialsdepo:

• rating: 99.7%
• city: huntington, indiana
• # reviews: 3281

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

returns differentialsdepo:

• paid by: buyer
• time: 30 days
• policy: returns accepted