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The Omix 18‑gallon polyethylene gas tank is a direct-fit replacement for late‑1978 to early‑1980 J‑series pickup models (J10/J20) that use an 18‑gallon tank with the fill neck and vent pipes on the front. The tank includes a new sending unit lock ring and O‑ring seal but does not include the sending unit. It replaces the original OE arrangement and is backed by a limited five‑year warranty.
Omix Poly Gas Tank 18 Gallon 78-79 Jeep J10 J20
