20 Gallon Wheel Well Water Tank (Fits Both Sides)
Space-Saving Design • Over-Wheel Fit • Compatible with Sprinter & Transit Vans
Maximize your van’s water storage without sacrificing interior space with the 20 Gallon Wheel Well Water Tank, designed to fit seamlessly over either rear wheel well in Mercedes Sprinter and Ford Transit vans. This low-profile, high-capacity tank makes it easy to add a reliable freshwater system to your camper build while keeping your layout clean and efficient.
Perfect for van conversions, RVs, and off-grid builds, this tank is TEI tested, RVIA approved, and BPA-free, ensuring safe, worry-free water storage for life on the road.
Key Features
Universal Wheel Well Fit
Designed to fit either the driver or passenger side of all single-rear-wheel Mercedes Sprinter and Ford Transit vans. (Does not fit dually models.)
Compact & Efficient Design
Wraps around your rear wheel well, preserving valuable interior living space while providing a generous 20-gallon capacity.
Built for Vanlife
Constructed from durable, high-quality materials that meet RVIA and TEI standards for water storage safety and reliability.
Sensor-Ready
Compatible with KUS S5U-15 level sensor (15") for accurate water level monitoring. (Sensor not included.)
Easy Installation
Includes mounting straps for secure installation and compatibility with most van water systems.
Specifications
| Feature | Details |
|---|---|
| Capacity | 20 gallons (approx.) |
| Tank Type | Over-the-wheel well |
| Dimensions | 44.5" L × 12.5" W × 16" H (±0.5") |
| Material | BPA-free, TEI tested, RVIA approved |
| Dry Weight | 25.7 lbs |
| Fits | Both driver & passenger side wheel wells |
| Sensor Compatibility | KUS S5U-15 (15" height, not included) |
| Straps Included | Yes |
| TEI Listed | ✅ Yes |
Vehicle Compatibility
| Make | Model | Years | Engine |
|---|---|---|---|
| Mercedes-Benz | Sprinter | 2007–2025 | 2.0L Diesel, 3.0L Diesel |
| Ford | Transit 150/250/350 | 2015–2025 | 3.5L Ecoboost, 3.7L Gas |
| Ford | Transit 150/250/350 | 2015–2019 | 2.0L Diesel |
Why You’ll Love It
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Maximizes interior space with over-wheel design
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Fits both sides for layout flexibility
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Safe, BPA-free construction for potable water
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Built to meet RVIA and TEI standards
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Easy installation with straps included
Efficient. Durable. Vanlife Ready.
The 20 Gallon Wheel Well Water Tank delivers the perfect balance of capacity, space efficiency, and reliability — built to handle the demands of vanlife, adventure travel, and mobile living.
✅ Fits Sprinter & Transit (Single Rear Wheel) | Includes Straps | BPA-Free | TEI & RVIA Approved
