1929 - 1957 Chevrolet Master Parts & Accessories Catalog
Directional Signal Assembly scroll down
Group # 6.512 Cover Assembly
53-54 Passenger car
53-57 Corvette
55-56 Commercial Utility Part # 5942429 >Also used on 1954 trucks but not listed in Master Parts & Accessories Catalog.
All cups were the same as this
1954 Panel Directional Signal Assembly Just a different color. ivory, silver. black for truck
Attached photo is a 1954 Chevrolet Panel truck rear side "bullet" lamp. (drivers side)
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