Window crank part #40471.

Not sure if this is considered left or right opening. # on gear plate is 40471. # on short arm is 20810. Only info on long arm is name "Entry Guard Truth", no #'s. Overall length is 13". Long arm 9". Short arm 4" (from hinge to end, not total length from gear. What is cost of replacement part? Will cost include handle, little gear in the handle, & the cover plate? The color is brown.