1974 Corvette Parking Lamp Part Numbers - Need Help - NCRS Discussion Boards

1974 Corvette Parking Lamp Part Numbers - Need Help

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  • Victor S.
    Frequent User
    • August 24, 2017
    • 76
    #1

    1974 Corvette Parking Lamp Part Numbers - Need Help

    The 74 AIM shows L/R Lamps with GM part # 912309/912310.

    Internet search and GM Corvette Parts Catalog show these part numbers are for a 75-79. Are the AIM #'s incorrect?


    Thank you - Vs
    Tags: None
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    • David H.
      Extremely Frequent Poster
      • June 30, 2001
      • 1485
      #2
      Re: 1974 Corvette Parking Lamp Part Numbers - Need Help

      Originally posted by Victor Scherer (63906)
      .... Are the AIM #'s incorrect? ...
      Victor

      Link below is to a John Hinckley article re Assembly Instruction Manual. Of particular note is that section on "Running Changes" and the likelihood NO particular car was built to the A.I.M..

      CRG Research Report - Understanding the Assembly Manual and Running Changes (camaros.org)

      Is there a revision change date on your AIM sheet? If so, how does that compare with your VIN date? What PN are currently on your car?

      Dave
      Judging Chairman Mid-Way USA (Kansas) Chapter
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        • Victor S.
          Frequent User
          • August 24, 2017
          • 76
          #3
          Re: 1974 Corvette Parking Lamp Part Numbers - Need Help

          Thank you Dave - the lamps on my car are replacements - and I'm trying to find the correct numbers for L/R originals. GM parts catalog shows 925143/925144 (L/R) part numbers.

          74 AIM part # (referenced in my original post) again is 912309/912310. However, these same part numbers in the GM catalog are shown for 75-79. Revision on Aim sheet for these part numbers (912309/912310) is 3-24-73. Just trying to figure out what sets of part numbers are correct for 74 - the one in the AIM or the GM Parts Catalog numbers.

          Thank you again/Vs
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            • David H.
              Extremely Frequent Poster
              • June 30, 2001
              • 1485
              #4
              Re: 1974 Corvette Parking Lamp Part Numbers - Need Help

              Originally posted by Victor Scherer (63906)
              ... Just trying to figure out what sets of part numbers are correct for 74 - the one in the AIM or the GM Parts Catalog numbers. ...
              Victor

              Part Numbers in the A.I.M. are for PRODUCTION parts, that is parts used to originally build a car.

              G.M. Catalog part numbers are for SERVICE parts, that is for parts that will fit and work. Service part numbers MAY also be production part numbers.

              What part numbers are detailed in your Technical Information Manual and Judging Guide? If part numbers changed during production year, that might be identified.

              Dave
              Judging Chairman Mid-Way USA (Kansas) Chapter
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                • Victor S.
                  Frequent User
                  • August 24, 2017
                  • 76
                  #5
                  Re: 1974 Corvette Parking Lamp Part Numbers - Need Help

                  Dave -
                  No part numbers that I have found in the TIM&JG. Thanks for the explanation regarding production/service part numbers - I did not know that. I appreciate the clarification - Best regards,
                  Vic
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                    • Jimmy P.
                      Extremely Frequent Poster
                      • June 24, 2014
                      • 1695
                      #6
                      925143 / 925144
                      Attached Files
                      Jimmy
                      1973 Convertible
                      L48,M20,N40
                      Mille Miglia Red/Oxblood

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                        • Victor S.
                          Frequent User
                          • August 24, 2017
                          • 76
                          #7
                          Re: 1974 Corvette Parking Lamp Part Numbers - Need Help

                          Thank you very much Jimmy and Dave for all the detail - very much appreciated. Best regards/Vs
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