20-Gallon Wheel Well Water Tank (Fits Both Sides)
Space-Saving Design • Over-Wheel Fit • Built for Sprinter & Transit Vans
Maximize every inch of your van’s layout with the S&B 20-Gallon Wheel Well Water Tank — a versatile freshwater system designed to fit either the driver or passenger side of 2007–2025 Mercedes-Benz Sprinter and 2015–2025 Ford Transit single-rear-wheel vans.
This compact yet capable tank offers 20 gallons of potable water while maintaining your van’s open floor plan for living, storage, or adventure gear. Built tough from BPA-free, TEI-listed, and RVIA-approved materials, it ensures certified water safety, long-term reliability, and effortless installation — perfect for camper conversions, RV builds, and off-grid explorers.
Key Features
• Universal Wheel Well Fitment — Installs on either driver or passenger side, providing maximum flexibility for layout and system design.
• Compact, Space-Saving Design — Wraps neatly over the wheel well to preserve valuable floor space, optimizing your interior build for storage or comfort.
• Built Tough for Vanlife — Constructed from BPA-free, food-grade polyethylene, fully TEI- and RVIA-certified for safe, reliable potable water storage.
• Sensor-Ready Compatibility — Designed to support KUS S5U-15 (15") water-level sensor (sold separately) for precise monitoring and system control.
• Quick, Secure Installation — Includes mounting straps and hardware for an easy, secure setup — ready to integrate with most van plumbing systems.
• Lightweight, Low-Profile Build — Weighs only 25.7 lbs empty, adding minimal weight to your build while maintaining strong, vibration-resistant performance.
Specifications Snapshot
| Feature | Detail |
|---|---|
| SKU / Model | S&B-20G-BS |
| Fitment / Compatibility | 2007–2025 Sprinter & 2015–2025 Transit (Single-Rear-Wheel Only) |
| Material | BPA-free, TEI-tested, RVIA-approved polyethylene |
| Dimensions / Weight | 44.5" L × 12.5" W × 16" H (±0.5") • 25.7 lbs dry |
| Capacity | 20 gallons |
| Sensor Compatibility | KUS S5U-15 (15″ height – sold separately) |
| Mounting Straps | Included |
| Certifications | TEI Listed • RVIA Approved |
| Installation | Over-wheel-well design – fits both sides |
Why Choose This Water Tank
• Delivers maximum layout flexibility — fits driver or passenger side.
• Certified potable-safe materials ensure clean, drinkable water anywhere.
• Saves valuable space with its low-profile, wheel-hugging design.
• Built for life on the road, resisting cracks, heat, and vibration.
• Perfect for van builders seeking an efficient, lightweight, and durable freshwater solution.
Ideal For
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Mercedes-Benz Sprinter (2007–2025) and Ford Transit (2015–2025) single-rear-wheel vans
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Camper van and RV conversions prioritizing compact, safe water storage
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Overland and off-grid setups needing reliable, easy-to-maintain water systems
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DIY or professional van builders seeking adaptable installation options
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Full-time travelers and adventurers optimizing space and efficiency
C
ompact. Certified. Conversion-Ready.
The S&B 20-Gallon Wheel Well Water Tank (Fits Both Sides) delivers professional durability, space-saving design, and potable-water reliability — the ultimate water solution for vanlifers and builders who demand efficiency, balance, and performance on every adventure.
