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  1. #1

    Default Locking differential code

    What is the code number on a 2008 Silverado 4X4 for the differential?

  2. #2

  3. #3

    Default

    Thanks & Merry Christmas

  4. #4

    Default

    Check the list of RPO codes on the glove box door to see what you have.
    Ray

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

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