• Space Saving - A unique way to make efficient use of that awkward wheel well area and shape.
• Perfectly Shaped - Not only do these tanks mold to the shape of your wheel well but the top and outside are also squared off to account for further building. Last we checked, it’s easier to build a square box than a round one.
• Build Options - Option to choose a passenger or driver side tank - whichever wheel well works best for your build. Need more water? Choose both and place one on either side of your van for mega-volume!
• Distributes Weight - Adds weight over your rear axle to help increase traction if you get in a sticky spot. No more slips and skids, not to mention unwanted wheel wear, thanks to the perfect weight distribution of these tanks.
• Sound Proofing - When it comes to road noise, these tanks step it up with added noise reduction around your wheel well.
• BPA-Free and Food Grade Approved - Feel safe knowing these tanks are food grade CSA approved! Wash the dishes, have a shower, fill the dog bowl, and stay hydrated, while exploring in your van!
• Fittings Kit Add-On Available - Save yourself the headache and multiple trips to the plumbing store when you bundle this tank with our Freshwater Fittings Kit!
• Strapping Kit Add-On Available - Weather-resistant strapping crafted from heavy-duty 1/8" thick, 1 1/2" wide aluminum. Simple and secure! 
• Compatible - Pairs well with our 17 Gallon Sprinter Undermount Tank. 

Dimensions & Specifications:

Designed for the Mercedes Sprinter, all wheelbases.
Compatible as an interior water tank, for any van. 

Tanks are made from linear low-density polyethylene.
Food grade CSA approved and BPA free - safe for freshwater use.

26.8 US Gallons / 101.4 Litres

44.5” x 13” x 19” (Length x Width x Height)

2 x 1 ¼" port (on top)
1 x 1 ¼" port (on rear end)
1 x ¾" port (on rear end)
2 x ½” ports (on rear end)
1 x ½” ports (on front end)

All ports are NPT female-threaded.

Tank can be placed on either the PASSENGER SIDE or DRIVER SIDE of the van.

• Passenger side tank sits 9” behind wheel well on passenger side / in front of the wheel well on driver’s side.
• Driver side tank sits 9” behind wheel well on drivers side / in front of the wheel well on passenger side.

Fits around the wheel well with or without flooring installed in the van.

More Information:

Wheel Well & Undermount Water Tank FAQ Sheet

Full Details of the Grey Water Fittings Kit Add-On
Select this add-on with your tank purchase and save $$ vs buying separately!

Full Details of the Fresh Water Fittings Kit Add-On
Select this add-on with your tank purchase and save $$ vs buying separately!

Full Details of the Aluminum Strapping Kit Add-On
Select this add-on with your tank purchase and save $$ vs buying separately!

Check out our Sprinter Undermount Water Tank (10 Gallon)

Check out our Sprinter Wheel Well Water Tank (29 Gallon)

Check out our Sprinter Dually Wheel Well Water Tank (32 Gallon)

Install Instructions:

Freshwater Fittings Kit Install Instruction
Grey Water Fittings Kit Install Instruction

Designed for the Mercedes Sprinter, all wheelbases.
Compatible as an interior water tank, for any van. Passenger side or driver side options available

Can I add fittings to my water tank?
We can't add any additional fittings to your tank as they are made in batches. The fittings are spin welded on requiring specialized equipment. There is likely a spin welder in your local area that can add additional fittings for you if needed.

What is the water tank wall thickness?
The standard wall thickness of our water tanks is approximately 3/16”.

Can you recommend a water level gauge?
The most common water level gauge is the KUS brand tank sensor.

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