Whether or not a march fuel gauge will fit a B13 tank depends on the size of the march gauge. You should be able to find a march gauge that will fit on a B13 tank.
45-24 equals = 21
89-24 equals = 65
72 divided by 3 equals 24.
X equals 4
4p = 24 p = 6
0.0417
24 Hours in a Day
B13 B = Change oil/filter 1 = Rotate Tires 3 = Change transmission fluid
3z equals z - 24 = -21
24 divided by 6 equals 4.
6