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Replace Spark Plugs

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I have a 2001 LS430 that just hit 120K miles. Manual says it's time to change the spark plugs. What type of plug do I buy to replace the originals. Thanks.

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The factory installed Denso iridium spark plugs on my 2000 LS400 were replaced a couple of weeks ago at the 120,000 mile service. As I reported, the old plugs appeared to be in excellent condition and were replaced with the same plugs: http://us.lexusownersclub.com/forums/index...c=62539&hl=

You could buy a cheaper plug but another set of Iridium plugs will be good for another 120,000 miles. Cheaper plugs probably wouldn't.

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Iridium all the way!!! Denso or NGK are the best. Or if you have DEEP pockets you could try the pulstar plugs. I have always wanted to see some one drop $25 per plug. LOL

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