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Difference – 1947-55 GMC Grilles

During the Advance Design years, 1947-55, Chevrolet and GMC each changed their grille designs twice. GMC made the change at the end of the second year and Chevrolet made the change at the end of the seventh year.

Possibly to save tooling cost GMC, not Chevrolet, always used the same grille on all truck sizes in any one year. As Chevy used a similar but slightly larger grill on their 1 1/2 and 2 ton. GMC did not change the size on trucks between 1/2 and 2 tons.

In 1947-48 GMC used a three bar heavy gauge chrome steel grille. Actually, it was for the heavy weight for the 2 tons but fit in the 1/2 ton by using a smaller grill surround.

The big grille change for GMC was in 1949 when it was made as a four bar design. To the non truck enthusiast, it looked somewhat like the earlier years which is probably what GMC designers planned.

Current GMC grille reproductions are often sold as 1947=55. Actually they are the four bar type for 1949-55. The 1947-48 GMC owners get a surprise due to the modifications needed to fit the later reproduction grille into their early housing!

Click on images below to enlarge

1947-1948 Three Bar Grille 1947-1948 Three Bar Grille C.O.E Four Bar Grille
Three to Five Ton Four Bar Grille
Half Ton to One Ton Four Bar Grille
Half Ton to One Ton Four Bar Grille

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