Owner reviews for spark plug

Most manufacturers don't make their own spark plugs anyway. They are usually just rebranded Denso/NGK/Bosch. I would have no concern fitting NGK spark plugs provided the part number is correct.

Use NGK brand and replace it.

Changing the spark plugs, spark plug wires, ignition coil and the coolant temperature sensor fixed the cold start issue.

August 28 2024 : Spark plug change Bosch 70,588

There is a meteor 350 in my riding group with an iridium plug which i will say he Acquired Unexpectedly, and damn the results are just awesome.

I almost went 200000 km on my bmw between spark plug changes, and the motor runs so much better after. My fuel economy almost doubled, and performance was a night and day difference

95K, swapped for NGK laser iridium’s (OEM replacement) plugs and since then have had rough idle but when driving feels fine.

Champion are ok if you change them every 2000 miles, otherwise they tend to loosen up at the terminal and you end up having to retighten them on a rigid mount Harley every 500 miles or so.

I own an Audi Q5 that takes the iridium plugs. I put the standard NGKs instead and they wore out within 10,000 miles.

I got 2 cheap sets of these online for a Honda idsi engine (8 iridium plugs required) they turned out to be fake and were burned out in 6 weeks causing it to misfire badly.