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PROTECT-O-PLATE
The Protect-O-Plate is usually found on the back page of the owner’s maintenance book. The plate identifies the interior trim, exterior paint, VIN, carburetor source, engine number, rear axle number, vehicle build month, transmission, power steering and/or power brakes, radio & clock group, radio code, disc brake code, air conditioning, power windows, power seat, trade mark, and procedures manual.
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Column 1 |
Column 2 |
Column 3 |
Column 4 |
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Row 1 |
B |
U6 |
124378N420575 |
R |
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Row 2 |
T0416MY |
PP0420G |
4 |
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Row 3 |
68C471 |
2b33321 |
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Row 4 |
Mr. Chevrolet Owner |
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Row 5 |
1234 Owner St. |
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Row 6 |
City, State |
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Row 7 |
USA |
EXAMPLE:
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Description |
Row, Column |
Code |
Value |
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Interior Trim |
1, 1 |
B |
Blue, Cloth/Vinyl |
|
Body Exterior Paint |
1, 2 |
U6 |
LeMans Blue |
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VIN |
1, 3 |
124378N420575 |
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|
Carburetor Source Code |
1, 4 |
R |
Rochester |
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Engine Number |
2, 1 |
T0416MY |
|
|
Rear Axle Number |
2, 3 |
PP0420G |
|
|
Vehicle Build Month Code |
2, 4 |
4 |
April, 1968 |
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Transmission Number |
3, 1 |
68C471 |
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PS / PB |
3, 3, 1st space |
2 |
RPO J50, Power Brakes only |
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Radio, Clock Group |
3, 3, 2nd space |
blank |
Not Used |
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Radio Option |
3, 3, 3rd space |
3 |
RPO U63, Push Button Radio |
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Disc Brake Code |
3, 3, 4th space |
3 |
RPO J52, Front Power Disc Brakes |
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Air Conditioning |
3, 3, 5th space |
3 |
RPO C60/C75, Deluxe Air Conditioning |
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Power Window Code |
3, 3, 6th space |
2 |
RPO A31, Electric Control Windows |
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Power Seat Code |
3, 3, 7th space |
1 |
|
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Chevrolet Trade Mark |
3, 4 |
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Owner Information |
4-7, 3 |
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Procedures Manual |
4-7, 3 |
INTERIOR TRIM: (Row 1, Column 1)
The Interior Trim code defines the interior trim color and material.
|
Code |
Color |
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B |
Blue, Cloth/ Vinyl |
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D |
Red, Cloth/ Vinyl |
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E |
Black, Cloth/ Vinyl |
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G |
Gold, Cloth/ Vinyl |
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J |
Saddle, Vinyl |
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P |
Gold, Vinyl (opt.) |
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Q |
Black and White, Vinyl |
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R |
Gray Green, Cloth/ Vinyl |
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T |
Turquoise, Cloth/ Vinyl |
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U |
Blue Vinyl (opt.) |
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X |
Teal, Vinyl |
BODY EXTERIOR PAINT: (Row 1, Column 2)
The Exterior Body Paint code defines the paint color. A two-part code defines the bottom and top colors respectively.
* Note: Option for big block (396 cid) vehicles only. When the two-part code contains a letter and number 6, the leading letter defines the top color and the number 6 define flat black.
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Code |
Color |
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A |
Tuxedo Black |
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C |
Ermine White |
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D |
Grotto Blue |
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E |
Fathom Blue |
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F |
Island Teal |
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G |
Ash Gold |
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H |
Grecian Green |
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J |
Rallye Green |
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K |
Tripoli Turquoise |
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L |
Teal Blue |
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N |
Cordovan Maroon |
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O |
Corvette Bronze |
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P |
Seafrost Green |
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R |
Matador Red |
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T |
Palomino Ivory |
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U |
LeMans Blue |
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V |
Sequoia Green |
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Y |
Butternut Yellow |
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Z |
British Green |
VEHICLE IDENTIFICATION NUMBER: (Row 1, Column 3)
See the Vehicle Identification Number specifications for a complete breakdown.
CARBURETOR SOURCE CODE: (Row 1, Column 4)
The Carburetor Source Code defines the source / manufacturer.
|
Code |
Type |
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H |
Holley |
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R |
Rochester |
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C |
Carter |
ENGINE NUMBER: (Row 2, Column 1)
See the Engine Number specifications for a complete breakdown.
REAR AXLE NUMBER: (Row 2, Column 3)
See the Rear Axle Number specifications for a complete breakdown.
VEHICLE BUILD MONTH CODE: (Row 2, Column 4)
The Vehicle Build Month Code defines the month in which the vehicle was built.
|
Code |
Month |
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8 |
August, 1967 |
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9 |
September, 1967 |
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0 |
October, 1967 |
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N |
November, 1967 |
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D |
December, 1967 |
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1 |
January, 1968 |
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2 |
February, 1968 |
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3 |
March, 1968 |
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4 |
April, 1968 |
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5 |
May, 1968 |
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6 |
June, 1968 |
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7 |
July, 1968 |
TRANSMISSION NUMBER: (Row 3, Column 1)
See the Transmission Number specifications for a complete breakdown.
POWER STEERING and/or POWER BRAKES: (Row 3, Column 3, 1st Space)
The Power Steering and/or Power Brakes (PS / PB) code defines the option type and the Regular Production Options code (RPO).
|
Code |
RPO |
Option |
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1 |
N40 |
Power Steering only |
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2 |
J50 |
Power Brakes only |
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3 |
N40 / J50 |
Power Steering / Power Brakes |
RADIO, CLOCK GROUP: (Row 3, Column 3, 2nd Space)
This space not used for 1968 model years.
RADIO CODE: (Row 3, Column 3, 3rd Space)
The Radio Code defines the RPO radio option. See the Regular Production Options (RPO) specifications for a complete breakdown of this number.
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Code |
RPO Number |
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1 |
U80 |
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2 |
U79 |
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3 |
U63 |
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4 |
U63 / U80 |
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5 |
U69 |
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6 |
U69 / U80 |
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7 |
U69 / U79 |
DISC BRAKE CODE: (Row 3, Column 3, 4th Space)
The Disc Brake Code defines the RPO disc brake option. See the Regular Production Options (RPO) specifications for a complete breakdown of this number.
|
Code |
RPO Number |
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3 |
J52 |
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5 |
F41 / J52 |
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6 |
J56 |
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8 |
F41 / J56 |
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9 |
J52 / J56 |
AIR CONDITIONING: (Row 3, Column 3, 5th Space)
The Air Conditioning code defines the RPO air conditioning option. See the Regular Production Options (RPO) specifications for a complete breakdown of this number.
|
Code |
RPO Number |
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3 |
C60 / C75 |
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4 |
C48 |
POWER WINDOW CODE: (Row 3, Column 3, 6th Space)
The Power Window Code defines the RPO power window equipment. See the Regular Production Options (RPO) specifications for a complete breakdown of this number.
|
Code |
RPO Number |
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2 |
A31 |
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5 |
A31 / N65 |
POWER SEAT CODE: (Row 3, Column 3, 7th Space)
The Power Seat Code defines the RPO power window equipment. See the Regular Production Options (RPO) specifications for a complete breakdown of this number.
* Note: At this time no supporting information for a power seat option has been found. This list will be update when the proper documentation has been found or provided.
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Code |
RPO Number |
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