vs
Spark plug Denso or OEM Subaru
Reviews
Use NGK and if you can’t find them then go Denso. The only 2 plug brands I would put in a Honda.
Pros: reliable plug brands
Vehicle:
Honda
My 2010 RX350 with the same V6 has 170k on it and still gets me 24 MPG - Denso factory plugs are life, prove me wrong.
Pros: excellent longevity, good fuel economy
Vehicle:
Lexus
Mileage: 170000 km
NGK OEM equivalents or Denso IK22 for a slight bump in performance.
Pros: slight bump in performance
Vehicle:
Honda Fit
I’m running Denso plugs in my car…no issues to report.
Pros: no issues
I’ll stick with NGK and Denso.
Pros: reliable brands
I bought the absolute cheapest plugs available ($1.50/plug), and they are branded "Denso Toyota Iridium" - I assume fakes, but my magnifying glass does seem to show an iridium tip, and they work great.
Pros: work great
I did Denso 3297 from RockAuto. They work great.
Pros: they work great
Part number: 3297
Bought some Denso 3450 Irdium plugs online. After reading about counterfits. I decided to test mine.
All are gapped .43 for the OEM spec for a 2014 Nissan Xterra. I measured the Irdium electrode tip which is 0.7mm and appears blue
Pros: gapped to OEM spec
Cons: potential counterfeit risk
Vehicle:
Nissan
Part number: 3450
I tried one of the economy plugs on my 02 Accord. Ended up having to chuck it and buy a Denso.
Pros: learn from my mistake
Cons: waste of money
Vehicle:
Honda Accord
I tried Denso once. I took Denso’s out and replaced them with Denso’s. They ran for 500 miles and quit.
Cons: quit after 500 miles
Mileage: 500 km
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