item
number
description*

VIN
1Z37J3S417355
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 17,355th Corvette made for 1973.

Body Build Date
H10
"H" corresponds to August and "10" is the tenth day of the month meaning this Corvette's body build date is August 10th, 1973.

Engine Code
V0227
"V" means the engine was build in the Flint, MI plant.  The "02" is the second month of year and the "27" is the twenty seventh day of the month meaning the engine was assembled on February 27th, 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
417355
The last 6 digits of the car's VIN, 417355, 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
B 16 3
"B" is February, "16" is the sixteenth day of the month, and "3" is the last digit of the calendar year so the engine block was cast on February 16th, 1973.

Intake Manifold Casting Number
3997771
The intake manifold has the correct 3997771 casting number for a 1973 L48 Corvette

Intake Manifold Casting Date
B 26 3
"B" is February, "26" is the twenty sixth day of the month, and "3" is the last digit of the calendar year so the intake manifold was cast on February 26th, 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 A 29
"3" is the last digit of the calendar year, "A" denotes January, and "29" is the twenty ninth day of the month so the distributor was made on January 29th, 1973.

Starter
1108430
The starter is original and correct for an L48 Corvette with a automatic transmission with a 1108430 stamping.

Carburetor
7043202
The Carburetor is original and correct for a L48 Corvette with an automatic transmission with a 7043202 stamping.

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.

Driver's Window
XU
"X" denotes the month February, and "U" denotes the year 1973, meaning this window was made in February of 1973.

Passenger Window
XU
"X" denotes the month February, and "U" denotes the year 1973, meaning this window was made in February of 1973.

Rear Window
UY
"U" denotes the month July, and "Y" denotes the year 1972, meaning this window was made in July of 1972.

exterior color code

945
Blue-Green

interior color code

400
Black Leather

rpo code
description

1YZ37
Corvette Sport Coupe

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Factory Custom Interior (Leather) Trim

C60
Air Conditioning

J50
Power Brakes

L48
350ci V8 Engine

M40
Automatic Transmission

N37
Tilt and Telescopic Steering Column

N40
Power Steering

QRZ
White Letter Tires

U69
AM-FM Radio

UF1
Map Light on rear view mirror