Royal Purple
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Joined: Jul 2002
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From: Texas
Royal Purple
I'm planning on changing my ATF fluid with the Royal Purple type and was wondering if that is going to be safe or should I just stick with the Toyota type fluid? Also, as far as the oil filter type, which one is BEST for the '98 GS 300? I usually use Mobil 1 but wondering if the Toyota ones are better? Thanks ahead! 
John JL
John JL
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Joined: Feb 2001
Posts: 523
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From: Maryland
We are pretty familiar with Royal Purple's line & they do not carry an ATF-type product that would be beneficial for your Lexus.
With all the research that we have personally done, you should ALWAYS use the red type Toyota tranny fluid from the dealer & it should not be replaced with anything else. This is speaking specifically of your Lexus.
With all the research that we have personally done, you should ALWAYS use the red type Toyota tranny fluid from the dealer & it should not be replaced with anything else. This is speaking specifically of your Lexus.
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MASSMINI
RX - 1st Gen (1999-2003)
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Jul 30, 2011 12:08 AM