Toyota Spark Plugs...have you heard of this !!!

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Toyota Spark Plugs...have you heard of this !!!

Just curious if anyone else has seen this before. I have a 2003 Toyota Land Cruiser,Prado, V-6 4x4 and I just changed plugs. My truck has 30k miles on it and I figured it was time.

I pulled the plugs out of the passenger side and they were : Denso K16TR11
Then i pulled out the drivers side plugs and they were: NGK R BKR5EKB II

Now I bought this truck new so I know it came this way from the factory. Has anyone else ran into this?
Just for the record the Denso's looked really bad and the NGK looked like they would be good for 30K more miles.
I put 6 Denso K20TR11 plugs all the same.
Did I mess up?
Please give me an expert opinion.
Thanks,

Gari.pk User 4645 asked on 19 Jul 2010 15:38:30 pm

1 Answer