The stuff that I have been using is blue-green and thick - not runny at all. I can't tell you what the number is because it has the Caterpillar part number on it. I used to get it for free but I am finally on my last tube so I will have to get some from the auto parts house unless I can find another Caterpillar mechanic. I should probably just get it at the parts store and then I will have the number. I can give you the Caterpillar number - but that wouldn't help unless you knew a mechanic or wanted to pay the higher price for the Caterpillar name.

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Paul
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retired mechanic after 35 years
specialized in Holley carbs and Ford Automatic Transmissions