Looking to change the plugs on my 2001 GS300... Should i go Denso or NGK? Seeing as its such a process to replace them im looking for long lasting as well as performance. And should i replace wires and coils or can i get more life out of them? The coils been on there at least 80k miles... Any and all suggestions are welcome! Thanks.

 

I say Denso since Toyota owns them. More OEM.

 

Ya i was leaning towards denso i just keep hearing good things about Ngk i just wanted to get some feed back from the community before i changed them out. Any idea how often the coil packs should be changed??

 

I would personally only use Denso or NGK plugs for my Toyota vehicles. I have been using NGK plugs and wires on my 87 Turbo Supra for about 25k miles / 8 years and I have been using Denso plugs on my 04 GS300 for about 4 months with no problems on either vehicle. For your Lexus I would go with the Denso plugs.

For the coil packs, those should not need to be changed but you can test the coil resistance if you have a multi-meter and compare it to the repair manual specifications.

 

I think i will stick with the densos ive just kept hearing the ngk were better but i guess the factory stuff is always the best way to go. Thanks

 

Either is fine. As others mentioned above, Denso would be the better option since they are more OEM.