Alpha - 21 Gallons Fresh Water Tank - 24" x 17 1/2" x 12 1/4" - 739BLANK
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Alpha - 21 Gallons Fresh Water Tank - 24" x 17 1/2" x 12 1/4" - 739BLANK

Alpha - 21 Gallons Fresh Water Tank - 24" x 17 1/2" x 12 1/4" - 739BLANK

AlphaSKU: 739BLANK
Added to catalog: March 18, 2025
Last product update: June 5, 2026 at 7:39 AM
$190.26 $282.94
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21 gal · 24 x 17 1/2 x 12 1/4 · 739BLANK
Tank Type
Fresh Water $190.26
Capacity
8 gal $139.45 10 gal $140.61 12.5 gal $173.24 18 gal $364.95 20 gal $263.82 21 gal $190.26 22 gal $263.18 22.5 gal $221.46 25 gal $292.80 26 gal $319.52 29 gal $375.57 30 gal $346.43 35 gal $401.33 36 gal $382.83 37 gal $404.17 39 gal $383.21
Dimensions
20 x 10 x 10 $139.45 17 1/4 x 12 1/4 x 12 1/4 $140.61 17 x 14 x 9.5 $136.01 22 1/2 x 11 1/2 x 11 3/4 $173.24 45 x 30 x 6 1/2 $364.95 22 1/2 x 17 x 13 $263.82 29 3/4 x 10 x 16 $267.76 24 x 17 1/2 x 12 1/4 $190.26 39 x 16 x 8 $182.69 26.5 x 18 x 11 $263.18 24 3/4 x 20 x 10 1/2 $221.46 56 x 15 1/2 x 8 1/2 $292.80 44 x 17 x 9 $319.52 53 3/4 x 27 1/2 x 6 1/4 $375.57 34 1/2 x 17 1/2 x 12 $346.43 28 x 20 x 19 $401.33 53 1/2 x 27 3/4 x 7 5/8 $382.83 54 x 28 x 7 1/2 $404.17 59 3/4 x 27 3/4 x 8 1/2 $456.31 57 x 34 x 6 1/2 $383.21
Part Number
181BLANK $139.45 VR121712WBLANK $140.61 384BLANK $136.01 179BLANK $173.24 VR304565WBLANK $364.95 VR172213WBLANK $263.82 178BLANK $267.76 739BLANK $190.26 386BLANK $182.69 VR182611WBLANK $263.18 428BLANK $221.46 259BLANK $292.80 VR17449WBLANK $319.52 210BLANK $375.57 387BLANK $346.43 198BLANK $401.33 VB28546W $382.83 938BLANK $404.17 VR28606WBLANK $456.31 VR34575WBLANK $383.21
Quench Your Adventure with the Ultimate 21-Gallon Fresh Water Tank
Specifications drawing for Alpha - 21 Gallons Fresh Water Tank - 24
Upgrade your RV or trailer with this Alpha 21-gallon fresh water tank, built from durable, FDA-approved polyethylene for safe drinking water storage. Its seamless one-piece design resists leaks, stains, and corrosion, ensuring long-lasting use whether you’re on the road or out on the water. Sized at 24" x 17.5" x 12.25", it fits a variety of setups and exceeds OEM quality standards for peace of mind.
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  • 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.
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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.

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