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WT3618 - Fresh water tank for specific Jayco units, RV Fifth Wheels, Travel Trailers or Campers. One piece, roto-molded construction. Increase your fresh water capacity or replace your leaky water tank with a durable, impact resistant Tank.
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42" x 23 1/2" x 10", 40 Gal. - Tank with specifically placed fittings corresponding to certain Jayco applications.
Certified to IAPMO standards.
Part number 0244751 from AmeriKart.
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.
| Product type | Fresh Water Tank |
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- What are the dimensions of the icon 40 gallon rv water tank? The dimensions of the tank are 42 inches long, 23 1/2 inches wide, and 10 inches high.
- Is this water tank compatible with my jayco rv? Yes, this tank is designed with specifically placed fittings corresponding to certain Jayco units, RV Fifth Wheels, Travel Trailers, or Campers.
- What material is the water tank made of? The tank is made from premium FDA-approved polyethylene material that is durable and safe for drinking water storage.
- Does the tank have any seams or joints that could leak? No, the tank features a seamless one-piece roto-molded construction which provides superior strength and leak-proof reliability.
- Is this water tank resistant to stains and corrosion? Yes, the tank is stain, corrosion, and rust resistant, designed to stay clean and functional even after years of use.
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 Genuine, name-brand components made to order — never generic, never outdated.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.


