2019 Mercedes Sprinter 4500 Van Auxiliary 20 Gallon Fuel Tank Kit

$1,995.95 $1,249.95

20 Gallon Version of the Auxiliary Fuel System for a 2019 4500 Sprinter Van

Please keep in mind that this product must be installed by ASE certified master tech.


2019 Mercedes Sprinter 4500 Van Auxiliary 20 Gallon Fuel Tank Kit

The product does not add to your original fuel tank. It is an additional fuel tank that is added to your van.

We ask that you call us for shipping estimates. Shipping prices can vary widely on this product based on your location.


  • 20 Gallon Fuel Capacity
  • Vented filler neck w/ mounting plate
  • Flexible filler tubing
  • Compatible with all wheelbase 2019 4500 Sprinter Vans
  • Includes remote inline fuel filter
  • Hardware included


Am I going to be missing anything when I get this product in the mail? I don’t feel like I should have to drive to the hardware store to buy some random stuff.

You will not have to make any extra trips as long as you have the tools you need. You will receive all the hardware you need such as the following things: hoses, fittings, wiring, hoses, and the other necessary components that will make sure that this product is attached properly and safely.

I’m assuming this tank can run out of gas too. How do I know I need to fill it back up?

The product has its own fuel gauge. It also has its own tank mounted sending unit.

Where does this fuel tank install?

The usual place to place this tank is under and behind the driver’s seat. The driver’s side wheel well is where the well filler will go for this particular tank.

Do you have more information on that because that sounds really weird?

The tank will be outside the of the frame on the driver’s side of the vehicle. It will not be inside the vehicle with the driver.

Is my ground clearance going to go down then?

It should not affect your ground clearance too much. We have not heard of anyone complaining about this as of yet.



How much extra fuel am I getting if I use this tank in my Sprinter van?

The product is made to deliver up to 20 gallons of extra fuel to your Sprinter van.

How does this tank not fly all over the place and leak gas if it is at the bottom of my vehicle?

The auxiliary tank bolts to the floor of your vehicle. The bolts that are used to do this are carriage bolts.

20 Gallon Auxiliary Fuel System.

For 4500 Models with 3.0L Engines.

For the 2019 Sprinter Van model

Note: Must be installed on vehicles by a Certified Mechanic. Preferably an ASE Master Tech Like we have at our repair shop.


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Weight 60 lbs
Dimensions 60 × 24 × 18 in