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Thread: Coolant for Cat engines

  1. #11
    Join Date
    Dec 2006
    Central Texas


    Pretty sure the extended life coolant already has the anti-cavitation stuff in it already.

    You can compare the two here:

    It says that SCA (Supplemental Coolant Additive) is not needed for ELC, but is required for DEAC.

    I think I used Cat DEAC plus Cat's SCA, which came in a quart bottle. The directions on the SCA bottle tell you how much to add per your cooling system capacity. Should be around 12 gallons for a D7E for engine and radiator if I am remembering correctly.
    Last edited by d9gdon; 08-14-2019 at 06:31 PM.

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