This has been answered hundreds of times. It is one of the most commonly asked questions.

Most states, Texas included, titled vehicles by the engine number until 1955 or '56. FEA19356 is consistent with an engine number.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.