
25-Gallon Dually Wheel Well Water Tank (SP-DU-25)
Designed specifically for dual rear wheel vans, this tank transforms the space around your wheel well into valuable fresh water storage, keeping your floor plan open while adding serious water capacity to your van build.
Dimensions & Weight
- Size: 46" long × 14" wide × 20" tall
- Capacity: 25 gallons
- Weight: 28 lbs
Ports & Plumbing
- (2) 1.5" NPT ports on the larger end, pre-marked, drill out to use
- (2) 1/2" NPT ports on the larger end
- (1) 1.5" NPT port on the end above the wheel well, pre-marked, drill out to use
- (1) 1/2" NPT port on the end above the wheel well
- (1) 1.5" NPT port on top, pre-marked, drill out to use
- Not designed for pressurized systems, must be vented
Included With Every Order
- Support plate and mounting hardware included with every order
Materials & Certifications
- BPA-free, food-grade plastic
- IAPMO TS 4 Certified
- Made in the USA
Vehicle Compatibility
- Sprinter 3500 Dually primary fit (also fits Sprinter T1N dually)
- Transit Dually direct fit with slightly more room around the wheel well for insulation
- ProMaster requires a 3.5" elevation to clear the larger wheel wells
- Compatible with other makes and models
- Can be placed on either driver or passenger side


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