Chevorlet cowl and vin identification numbers

The two digit number that runs from indicates the month, while the letter, A-D, indicates the week. This car was built during the third week of March. The final line on the cowl tag tells us the trim code and color of the car. Interior Trim Code:. Right A Camaro with custom parchment bucket seats, TR Using this as your guide, you should now be able to completely decode both the VIN and cowl tag on your Camaro. Tell us about the cowl information on your car and let us know if you found this helpful. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE!

What 17 Numbers & Letters Can Tell You About Your Car

We will safeguard your e-mail and only send content you request. The fifth position at C indicates air conditioning C And the option code in the sixth position at C shows electric windows A The first character describes the lower body color and the second character describes the upper body color. For the upper body color was always the same as the lower body unless a vinyl top was installed or the car was a convertible.

This entire code is the same code stamped on the front of the engine block. This entire code is the same code stamped on the axle, except for the absence on the POP of any shift suffix or positraction code. Note that when faced with an axle of uncertain vintage, the year of manufacture must be derived from the axle center section calendar year casting date. The shift code is stamped on some transmission models and often is included on the POP.


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But the 69 Muncie model suffix was not stamped on the POP. The TH uses a different code format - see the tranmission decode page. In the table below, the locations are noted as positions a through g. The meaning of the RPO codes such as J50 and J63 listed are available in the downloadable option spreadsheet. Also, see the further explanatory notes below the table. Again, the option field in the 68 POP example shown at the top of this section translates as follows: The first option position at C, the "3", indicates power steering N40 and power brakes J Options were tracked more fully in and than in In , codes were generally selected such that option combinations, in keeping with efficient computer coding practices of the day, could be obtained by adding together the codes of each single option.

Several options and their permutations could be recorded with a single digit. From this practice we can infer the existence of codes that do not actually appear in the Chevrolet Service News Bulletins. The inferred value for B93 without A31 was later confirmed by other GM records, which also confirmed the previously inferred A67 code in field "g" for We list it in the above table as a code, since it is not applicable to 68 models.

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This brake system was available for the 68 Camaro only as an over-the-counter Service Package. The four-wheel disc brake system was never installed in a 68 Camaro by the factory, and we have never seen the 6, 7, and 8 codes on a POP. These codes appear to have been included for either in preparation for a proposed option release that never occurred, or as part of a subterfuge for convincing racing authorities that the 4WD brakes were a factory option and thus should be homologated for SCCA racing use.

Canadian-sold vehicles were provided with unique Canadian warranty booklets. Both started with the letter "A" for January and progressed through the alphabet "B" for February, "C" for March, etc. The two formats differed in the usage of the letter "I". For cast-in date codes on GM-produced iron and aluminum castings engine blocks, heads, intakes, water pumps, etc.

VIN Lookup: How to Decode Your VIN

For stamped-in date codes on GM-produced components alternators, distributors, starters, etc. See the Casting codes article for more information on casting dates and codes. To summarize: For GM-produced parts, the month code for calendar year dates that are cast into parts runs from "A" through "L" including the letter "I" , while the month code for calendar year dates that are stamped onto parts runs from "A" through "M" skipping the letter "I". A common cast date code format is month day year.

Research by the Saginaw Metal Casting Operations of GM Powertrain Division has found that these "M" codes are not date codes, but actually a foundry code used to indentify parts that were made to evaluate a casting process change. After evaluating the parts, the blocks would either be destroyed or released into production.

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There is no way to determine the date an "M"-coded block was poured. Sheetmetal Date Codes Sheetmetal was stamped with a Fisher Body "run number" by the stamping plant that produced the part. The run numbers were inserts in the draw die to identify the plant and the week of production and also served as proof marks to verify full die travel to closure. Almost every panel on the body will have a run number. The first letter occasionally 2 letters of the run number identifies the stamping plant and the number is the week e.

Sheetmetal Run Numbers Chevrolet-stamped parts hoods, fenders, header panels, etc only have the production week stamped on them. For example, February 1st would be day The calculator below will generate the Julian calendar for the through calendar years. Select Month and Year, then click GO! This "original" meaning involved the third digit of the VIN, and the choices were given as: 3 or 4 for standard Camaro 5 or 6 for deluxe Camaro The actual forms, as executed on the VIN plate and cowl tag, were subvariants of this more complete version.


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  6. On the VIN plate, 3 and 4 were used on the VIN to indicate the number of engine cylinders - with no indication of interior. In , the first year, Fisher Body used 4 and 6 on the cowl tag to denote standard or deluxe interior. But some of the foreign assembled Camaros did use this format. Sheetmetal Run Numbers. Chevrolet Date Stamps. CRG Reports. Numbers Decode. General Info. Drivetrain Decode. YPxxxxxx e. Seatbelt delete Used on export models for countries for which U.

    General Motors - VIN Sticker / RPO Code Lookup

    See comments below. Limited LOS use, previously undocumented. It is unknown if both B37 and B93 were indicated in this field. CRG Home. One difference is the last six numbers relating to the assembly plant sequence as opposed to the trim tag's Fisher Body sequence and the series will designate a 6-cyl odd 3rd digit or V8 even 3rd digit. A typical U. DD was initially to be used by dealers for "Delivery Date" but few were stamped. The example above is stamped 6 Why more were not stamped is simply speculation. Maybe dealers simply opted to not stamp it since the dealer paperwork would show delivery date or maybe they found their new car prep personnel were stamping them too hard and damaging them.

    Whatever the reason, few were stamped as should not be a concern.