Follow us

Auxiliary Fuel Tanks

Get a quote on a Auxiliary Tank today.

No posts were found for provided query parameters.



Auxiliary tanks allow drivers to extend their vehicle's range by carrying extra fuel. This can be especially helpful for those who travel long distances or drive in remote areas where gas stations may be few and far between.



With an auxiliary tank, you won't have to stop as often to refuel, which means fewer interruptions to your trip. This can save you time and reduce the hassle of having to regularly stop to fill up.



Since auxiliary tanks typically mount under the vehicle, they don't take up any cargo space in the trunk or bed of the vehicle. This means you can carry more cargo without having to worry about the added weight of a fuel tank taking up valuable payload capacity.


Auxiliary tanks can be used for a variety of purposes beyond just carrying extra fuel. They can also be used to store water or other liquids that may be necessary for camping or other outdoor activities.


Auxiliary tanks can save money in the long run by allowing drivers to take advantage of lower fuel prices in certain areas. By being able to carry extra fuel, drivers can wait to refuel until they reach an area with lower prices, which can lead to significant cost savings over time.


By allowing drivers to carry extra fuel, auxiliary tanks can reduce the number of trips they need to take to refuel. This can reduce the amount of emissions released into the environment, which can have a positive impact on the planet.

Best Prices in Town

I've used both locations for a spray in bed liner and a few other parts like a Jimmy Jammer and a B&W hideaway ball along with a few other items . They have the best prices in town and trust me I called around and went back every time.

Jason Darr

Carli Leveling Kit Install

I had a Carli leveling kit put on a gas engine f 250 - the kit was top quality and so was the installation. I was assisted by Trey, who was great in helping me select the components and scheduling a time for the installation. The truck looks great, the stance is perfect , the ride is better than factory. This was truly an upgrade, not just a spring shim fix. Thanks to Trey and the crew at Alamo Truck Gear. I would definitely recommend them and will return for rear shock upgrade.

Art Villarreal

Custom Fabrication with Color Match Spray

I recently had a headache rack and toolbox installed with a color match LineX, it turned out awesome! They did some custom metal fabrication to the rack and Josh was great with communicating, to get that taken care of. Very happy with their work, and overall experience.

Brette Nickelson

Truck Accessory Experts!

These guys are THE experts.

Marjorie Dodd Sullivan

Great Shop, Great Prices

I highly recommend Alamo Tuck Gear. There great people and more than fair.

Cory Holland

San Antonio's finest!!

San Antonio's finest!! Great guys that do even better work!

Christian Isaacson

When I need gear for my truck ATG is my go to shop....

The team at Alamo Truck Gear - Line-X of San Antonio outfitted my F-150 with wheels, tires, side steps, tint, under seat cargo storage, fitted floor mats, bed tie-down kits, bed liner, rubber bed mat, and a folding toneau cover.


Custom Painted Bumper

Josh and his team are amazing! We ordered a custom painted replacement bumper for our truck and it turned out great! It was a perfect match right down to the fleck in the paint! It is beautiful! Thank you guys!

Wendy Ferguson Wofford

5 star service | best truck shop

We’re a Truck Accessories store in San Antonio customizing trucks, jeeps, suv’s and fleet vehicles.

We carry the truck accessories you want and need!