(12758) Gas Tank for Mako or Shark Ice Auger with Viper EngineReplacement Gas Tank for Eskimo Ice Augers with 43cc, 51cc or 71cc Viper Engines only (43CC 51 71CC) This part is a direct replacement for Gas Tanks with the part numbers below. If your existing gas tank is one of the part numbers listed below, then this is the gas tank you would require to replace your existing gas tank Due to the varied number of models listed below, the manufacture has recently decided to design a single universal gas tank