Spark plug NGK or OEM Subaru

NGK Spark plug

NGK Laser Iridiums are the exact spark plugs as Nissan brand. just different box and a lot less $. used it on my 05 Xterra S and my 2011 Xterra S.

Pros: less expensive, exact spark plugs
Vehicle: Nissan
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NGK Spark plug
CommissarCiaphisCain
  • Starting:
  • Acceleration:
Rating 5.0

Highly recommend NGK. I made the same mistake a few years ago on our Odyssey with similar results. Put in NGK’s and problem solved.

Pros: problem solved
Cons: similar results
Vehicle: Honda Odyssey
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NGK Spark plug

I decided to give the NGK Rutheniums a try earlier this year after reading about them on this thread I've been happy with them so far, the engine ran noticeably smoother than with the old plugs (but that could have also been simply due to new plugs).

Pros: engine ran smoother
Vehicle: Volkswagen
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NGK Spark plug
Slightly_Left
  • Acceleration:
Rating 1.0

On my stage 2 mk7 I swapped around and tried a few like ngk and the ngk failed causing misfires like crazy on acceleration. Back to OEM and never had another issue for 45k miles.

Pros: OEM plugs reliable
Cons: NGK caused misfires
Mileage: 72420 km
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