I plan on doing the spark plugs soon just picked up NGK Iridium plugs.
Reviews of NGK parts For Business
Japan
I put in NGK Lazer Iridium in mine about 60k ago and they've been fine.
I had to pull champions that were hardly worn. NGK ran a lot better.
Personally I’m running EQT’s stage 1+ tune and I just went with the recommended plugs (NGK 4905s) for peace of mind. I think it’s worth the extra couple bucks for my sanity
I'm using oem ngk plugs changing every 2nd oil change so around 16,000km
I only use NGK or Nippon Denso plugs, for a reason after a career as a technician.
The NGK plugs are like $8ea when you buy 16. Still costs you nearly $800 less than what the dealer cost for that job is. And they last 60-75k miles.
just did my wife’s Nissan rogue and it needed NGK spark plugs that were around $35 each.
I stopped buying plugs from eBay and Amazon years ago after getting what I can only assume was a bunk set for my BMW. They looked the part, but caused the engine to run rough.
I stopped buying “NGK Iridium” plugs on eBay AND Amazon a while back. They’re nearly all chinesium knockoffs.
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Owner reviews of NGK products
The NGK brand is registered in Japan. Official website: https://www.ngk.de/ .
In March 2026, PartReview recorded 790 reviews across 2 parts by NGK. Average rating — 3.8 out of 5.
NGK is in the PartReview manufacturers ranking, currently at position 103. Over the last 30 days it dropped by 52 points.
Popular NGK parts
The most popular NGK products on PartReview:
- Spark plug NGK - 763 reviews. PR Score — 81, average rating — 4.
- Ignition coil NGK - 27 reviews. PR Score — 71, average rating — 3.5.
Most owner reviews about NGK parts are collected on these pages.
Top-rated NGK parts
NGK achieved top positions in these PartReview part rankings:
- Best spark plug — ranked 1 among 17 manufacturers. Received 5196 votes.
- Best ignition coil — ranked 6 among 13 manufacturers. Received 1155 votes.
Comparisons of NGK parts
The most interesting comparisons of NGK with other manufacturers help you see which is better: