Omix Poly Gas Tank 18 Gallon 62-77 Jeep J10 J20 TrkOmix proudly offers all the parts you need to keep your Willys Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement poly fuel tank fits 62 77 J10 J20 truck models. The tank features an 18 gallon capacity, heavy duty polyethylene construction, large fill pipe and vent pipes on the side of the tank. Includes a new sending unit lock ring and O ring (Does NOT include the fuel sending unit).