Denso 3473 or Denso 4705 spark plugs... Whats the difference???
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Denso 3473 or Denso 4705 spark plugs... Whats the difference???
Hi everyone. I am new to the form and looked around a little bit but could not find an answer to my question. I am about to change the spark plugs on my 2008 GS350 and wanted to stick with the OEM Denso plugs. After shopping around I found that Rock Auto seemed to have the best prices. I noticed that Denso had two different plugs for my car, the 3473 and the 4705 and was wondering what the difference is. Any feedback would be greatly appreciated. Thanks.
http://www.rockauto.com/en/catalog/l...park+plug,7212
http://www.rockauto.com/en/catalog/l...park+plug,7212
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