This is a great reproduction of THE COWL VENT HANDLE KNOB FOR YOUR 1938 BUICK. The part is IVORY/CREAM IN COLOR and fits ALL SERIES 1938 BUICKS.   THIS SHAPE IS CORRECT FOR 1936 37 AND 38 BUICK ALONE, BEING IN BLACK, WHITE AND IVORY/CREAM RESPECTIVELY.
WE HAVE BEEN MAKING THESE SINCE 1980. WE MAKE ABOUT 3-4 A YEAR. WHEN YOU GET IT YOU MUST FILE THE EDGES OF YOUR STEEL HANDLE, JUST A TAD,  SO IT WILL FIT SNUGLY, THEY SIMPLY USE EPOXY TO ATTACH. IF YOU FORCE IT ON OR USE A HAMMER YOU WILL HAVE 2 -1/2 KNOBS!! LOL

SHIPPED GLOBALLY USPS PRIORITY MAIL. 

NOTE THESE ARE STOCK FOTOS AND THE PART YOU RECEIVE WILL BE OF EQUAL OR BETTER QUALITY.