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Thread: B8A-19578-A Steering Gear Lubricant alternative

  1. #1
    Senior Member
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    May 2016
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    B8A-19578-A Steering Gear Lubricant alternative

    The 1959 shop manual clearly states, in bold letters, to NOT use a multi-purpose gear lubricant in the steering gearbox. But the part number given in the shop manual, B8A-19578-A, doesn't seem to be listed anywhere for purchase. What type of fluid/grease/lubricant do you guys use? Is there a current Motorcraft version of steering gear lubricant?

  2. #2
    Moderator Dave Owens's Avatar
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    Nov 2010
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    Bismarck, North Dakota
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    I use Mobilgear 600w. Same oil recommended for use in the Model A transmission and differential. If you cannot find that some use straight STP.

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