The factory part may have had This stamp 343638
a) Length (right to left on a flat surface): 106mm
b) Mounting holes center to center: 93mm
c) Height of the part (on a flat surface): 39.5mm
d) width of part from back to where the wires come out: 64.2mm
e) Length of the wires: 9"
This regulator rectifier one has a 20 amp fuse which allows you to hook it up directly to the battery allowing maximum connectivity. This Regulator Rectifier can techinically handly 30 amps peak. It is possible to put in a larger fuse.