I have TILTRAY and TWILITE headlamps. What is the difference, and which would be correct for 1932 Chev car?

The parts book says a 1932 passenger car used a 8 3/4 inch TWILITE LENS.
tHE TRUCKS USED A DIFFERENT LENS IN 1932
The car lens was used in 1933 cars and - trucks thru 1936 and in the 1939 cab over engine truck.