item
number
description*

VIN
1Z37J3S430369
The first digit, "1," indicated the Chevrolet division of GM.  The "Z" is the series, Corvette.  The "37" is the body style, coupe.  The fifth digit is the engine, J, correct for an L48 car.  The sixth digit, "5," indicates the model year, 1975.  The "S" is the plant where the car was produced, St. Louis.  The last five digits are a sequence number so this is the 30,369th Corvette made for 1973.

Body Build Date
K14
"K" corresponds to July and "14" is the fourteenth day of the month meaning this Corvette's body build date is July 14th, 1973.

Engine Code
V0605
"V" means the engine was build in the Flint, MI plant.  The "06" is the sixth month of year and the "05" is the fifth day of the month meaning the engine was assembled on June 5th, 1973.  This is correct as it precedes the build date of the car.

Suffix Code
CLA
This means the motor was intended for a 1973 L48 Corvette with an automatic transmission, which is correct for this car.

Engine VIN Stamp
430369
The last 6 digits of the car's VIN, 430369, are stamped on the engine pad and pictured below, meaning this engine is original to this car.

Engine Block Casting Number
3970010
The engine block has the correct 3970010 casting number for a 1973 Corvette.

Engine Block Casting Date
I 4 3
"I" is September, "4" is the fourth day of the month, and "3" is the last digit of the calendar year so the engine block was cast on September 4th, 1973.

Intake Manifold Casting Date
E 31 3
"E" is May, "31" is the thirty first day of the month, and "3" is the last digit of the calendar year so the intake manifold was cast on May 31st, 1973.

Distributor
1112098
The distributor is original and correct for an L48 Corvette with an automatic transmission with a 1112098 stamping.

Distributor Date Code
3 E 1
"3" is the last digit of the calendar year, "E" denotes May, and "1" is the first day of the month so the distributor was made on May 1st, 1973.

Left Exhaust Manifold Casting Number
3932461
The exhaust manifold is original and correct for an L48 Corvette with a automatic transmission with a 3932461 stamping.

Right Exhaust Manifold Casting Number
3932461
The exhaust manifold is original and correct for an L48 Corvette with a automatic transmission with a 3932461 stamping.

Transmission Code
73 CK
"73 CK" is the correct stamping for a 1973 Corvette transmission

Transmission Date Code
5-2-1973
"5" is May, "2" is the second day of the month, and "3" is the last digit of the calendar year, meaning this transmission was made on May 2nd, 1973

Transmission VIN Stamping
430369
The last 6 digits of the car's VIN, 430369, are stamped on the transmission and pictured below, meaning this engine is original to this car.

Windshield
JU
"J" denotes the month May, and "U" denotes the year 1973, meaning this window was made in May of 1973.

Driver's Window
IU
"I" denotes the month June, and "U" denotes the year 1973, meaning this window was made in June of 1973.

Passenger Window
JU
"J" denotes the month May, and "U" denotes the year 1973, meaning this window was made in May of 1973.

Rear Window
JU
"J" denotes the month May, and "U" denotes the year 1973, meaning this window was made in May of 1973.

exterior color code

922
Medium Blue Metallic

interior color code

404
Black

rpo code
description

1YZ67
Corvette Convertible

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Factory Custom Interior Trim

J50
Power Brakes

L48
350ci V8 Engine

M40
Turbo Hydramtic Automatic Transmission

N40
Power Steering

ORZ
White Letter Tires

U69
AM-FM Radio