i think my fuel guage is going...i have 2001 fxdwg (bought it used),what do i need to know if i get a new/good used one/.? i looked around and cant fine part # for this guage? thanks for any help.

 

http://partsfinder.onlinemicrofiche....=48&c=0&d=2001 FXDWG DYNAŽ WIDE GLIDE (GE) INSTRUMENT ASSEMBLY