🔌 Autolite XP6203-4PK Iridium XP Spark Plug Set (Pack of 4) Review

Very good spark plugs. The operation of the car is now very smooth. My dealer listed $240 to replace four spark plugs. I did it myself for less than $50 including the cost of 4 spark plugs and the necessary hardware.

I spoke to my mechanic about my faulty Japanese car who told me to use the AUTOLIGHT spark plugs when I said I should they change. He said he was pretty sure that was the problem and he was right. The engine purrs when replacing NGK Laser Iridium spark plugs.

These spark plugs literally started to melt when installed and used in a 2014 Mitsubishi Outlander GT (6 cylinder). My GT first started cornering misfire after a few months and recently had an engineer code indicating a faulty spark plug in cylinder #5. Three of the six Olugs suffered significant heat damage during removal. My mechanic (whom I did not consult about these spark plugs - lesson learned) told me that Autolite spark plugs have been known to fail within 1-2 years. I would not…

Although they were poorly packaged (electrode was not protected) I had to rebuild the electrodes and ground two of the four connectors. They aren't as durable as the Denso Iridium plugs I replaced, but the Autolite plugs are three times cheaper so worth a try. The spark plugs work fine after using my 2013 Hyundai Sonata for two weeks. After a month of use, the engine started running rough and I had to change the spark plugs. Needless to say I bought the best brand. I think if the Autolite…

People seem to say Autolite isn't that good but I can't understand why some people think they are of lower quality. They don't make sparks either, are they made of cheaper material? Aside from a few negative reviews stating the spark plugs failed (which all products do), it's hard to see why they're worse. This is the second set I've bought (the first was for another car) and they worked great with the first set which has been fine on my other car for over a year. Anyway, I'll be changing the…