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Clum, 1040C


Quantity Discounts

1 to 4$8.24
5 to 9$4.12
10 to 49$2.06
50 or more$1.65
  • Arctic Cat
    • Various snowmobiles.
  • Clum
    • Various models.
  • Mariner
    • Various models.
  • Mercury
    • Various models.


  • Applications shown above are to be used as a guide only.
  • Although the applications shown above will fit those that are listed, there may be similar models that use different key blanks.
    • To ensure you buy the correct key blank, we strongly recommend comparing groove patterns of your current key against the image shown above.
    • The head of your key may vary from what is shown.
  • Consult Find Your Vehicle Keys Here for additional applications.
    It can be found in the Upper Right Hand Corner of every page.

Manufacturer Info

  • This key blank is made by Ilco.
  • Various key blank manufacturers may call this key by a different part number. 
    Some examples are:

    • Cole C5
    • Curtis CM-4, CM4
    • Dominion CU4
    • Ilco 1040C
    • JMA CLU-3, CLU3
    • Original 127
    • Orion CLM14
    • Silca CL3
    • Taylor 40C


  • Different groove pattern on both sides.
  • Nickel plated brass.
  • Can be cut using a standard key machine.
  • Actual size line drawings and groove pattern profiles are available in our manufactures directory.  To view these pdf files, please read and follow the instructions below.
    • Learn how to Check the Profile
    • Using the link above, you will find this key in the Vehicle section under Clum Inboard Motors.
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