Commonly referred to as the VIN NUMBER, this series of numbers and letters is stamped on a plate attached to the left front door hinge pillar, and stamped on the engine block.

FIRST DIGIT : Identifies the GM Division (4=Buick)

SECOND AND THIRD DIGITS : Identifies the series

SERIES	CODE V-6	CODE V-8
Special Special Deluxe Sportwagon Skylark LeSabre LeSabre Custom Wildcat Wildcat Deluxe Wildcat Custom Electra Electra Custom Riviera	33 35 - 43 - - - - - - - -	34 36 42 44 52 54 62 64 66 82 84 94

FOURTH AND FIFTH DIGITS : Identifies the body style

SERIES		CODE V-6
2-Door Coupe 4-Door, 2-Seat Station Wagon 2-Door Hardtop Coupe 4-Door Hardtop 2-Door Hardtop Coupe 4-Door, 2 Seat Sportwagon 4-Door, 3 Seat Sportwagon 2-Door Convertible 4-Door Sedan	27 35 37 39 47 55 65 67 69

SIXTH DIGIT : Identifies the model year (5 = 1965)

SEVENTH DIGIT : Identifies the assembly plant

ASSEMBLY PLANT		CODE V-6
Flint, MI South Gate, CA Fremont, CA Kansas City, KS Wilmington, DE Atlanta, GA Baltimore, MD Kansas City, MO Bloomfield MI	H C Z X Y D B K V

LAST 6 DIGITS : Represent the basic production numbers. Starting number 100001/up.