Quench Your Thirst for Adventure with Our 58-Gallon Seamless Fresh Water Tank
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58 Gallon Water Tank, 56" x 32" x 8 (4365)
100% Authentic OEM-Quality Parts: These rotational molded fresh water tanks are crafted to meet or exceed factory standards, making them a perfect upgrade or replacement for your RV, horse trailer, or marine vessel.
Premium FDA-Approved Material: Made from high-quality, durable polyethylene that’s fully approved for safe drinking water storage—better than many stock tanks installed in factory-built RVs.
Seamless One-Piece Construction: Engineered without seams or joints for superior strength and leak-proof reliability, outlasting and outperforming typical OEM tanks.
Stain, Corrosion, and Rust Resistant: Designed to stay clean and functional even after years of use, ensuring your water stays fresh and your tank stays dependable.
Versatile Compatibility: Ideal for RV enthusiasts, horse trailer owners, or marine adventurers looking for a long-lasting, hassle-free water storage solution.
Enhanced Durability: Built tougher than many standard factory-installed tanks, offering peace of mind whether you’re replacing an old tank or upgrading your setup.
| Material | Polyethylene |
|---|---|
| Width (inches) | 32 |
| Height (inches) | 8 |
| Length (inches) | 56 |
| Capacity (gallons) | 58 |
- What is the capacity of the 58 gallon water tank? The water tank has a capacity of 58 gallons.
- Is this water tank suitable for storing drinking water? Yes, the tank is made from premium FDA-approved polyethylene material, making it safe for storing drinking water.
- What are the dimensions of this water tank? The dimensions of the tank are 56 inches by 32 inches by 8 inches.
- Can this tank be used for rvs and marine vessels? Yes, this fresh water tank is designed to be compatible with RVs, horse trailers, and marine vessels.
- Is the tank resistant to rust and corrosion? Yes, the tank is stain, corrosion, and rust resistant, ensuring durability and clean water storage over time.
Need Fittings Installed on This Tank?
Use our free Custom RV Tank Builder — visually place fittings, get an instant price, and order with professional installation included.
100% Authentic OEM Parts
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.


