Mercedes Sprinter Van 20 Gallon Auxiliary Fuel Tank Kit

$1,995.95 - $2,115.95
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24.00 (in)
18.00 (in)
60.00 (in)
Current Stock:
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Please note that this is an ADDITIONAL Tank added to your system.

  • 20 Gallon Fuel Capacity

  • Vented filler neck w/ mounting plate

  • Flexible filler tubing that mounts in the tire well, options available. Contact Sales Rep to order other options. This Kit includes a tire well filler.

  • Compatible with all wheelbase 2019 4500 Sprinter Vans

  • Includes remote inline fuel filter

  • Hardware included


If this is a fuel tank then it has to have its own filter right?
The manufacturer says that this product has a remote inline fuel filter.

Which vans does this tank fit?
It will fit any year of a Sprinter regardless if it was produced by Mercedes, Dodge, or Freightliner.

How much fuel does this add to my tank?
You have the possibility of adding up to 20 gallons of extra gas to your system.

Is there a recommended amount of fuel that should be gone or left before I start thinking about starting to use this product?
A lot of people start using this auxiliary tank when there is only half a tank of gas left. It seems to work well around this usage rate.

20 Gallon innovative Auxiliary Fuel System.
For 2500 and 3500 Models with 2.7L and 3.0L Engines.
For Sprinter Van model years 2002-2006 and 2007-2019.

Where do you mount the tank?
The tank will mount, typically, behind and under the van's roadside seat aka your driver's seat. The driver side wheel will have the well filler neck location for you.

I've seen this tank has a brass fitting. Where does it go?
The brass fitting has to be installed in an OEM fuel tank. It has to be very close to the top in order for the fuel transfer to work properly.

Won't this tank make my ground clearance much smaller?
We have not had a problem with this in the past. It is a valid concern but we have not heard of anyone having any trouble with the system at all.

Where does this tank fit?
The tank will fit outside of the frame on the driver's side.

How does this tank stay still so it doesn't spray gas and such all over the place?
The tank will bolt to your floor. The bolts are carriage bolts.

Does this have a fuel gauge?
It has a fuel gauge and a tank mounted sending unit.

Does this have some way of controlling how much fuel is going into my tank?
The manufacturer says that it has a timer switch transfer control.

Where is the Sprinter Van Fuel Filler Located on this Aux Fuel tank for my Sprinter Van?
The kit comes with a Tire Well Filler Kit, Side wall and other kits for different filling of the tank.
Note: Must be installed on vehicles by a Certified Mechanic. Preferably an ASE Master Tech