HMMWV M998 M114 ANY VARIANT HUMVEE AUXILIARY FUEL TANK 20 Gallon Special Forces
Adds 20 gallons via secondary external filler cap/tube. The auxiliary tank filler tube is to the rear of the main filler tube on the right-hand of the vehicle.
The Aux tank gravity feeds the main tank by way of three hoses, 2 for each end of the lower saddle tank and the big hose that used to be the main tanks filler neck. Takes a day or so to install.
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