Genuine Hyundai Spark Plugs, 18847-11160, Set of 4

These worked for our 2013 optima 2.4l. These are iridium plugs and are exact oem replacements. Great price and are working perfectly. Amazon needs to package better for shipping as when mine arrived, the boxes were squished and distorted. But thankfully the plugs were fine.Took only 15min to install if tou have a 10mm and spark plug socket. Easy diy.

Just like the factory plugs, easy to install and they work great.

I wish the pictures of these things would show a plug with the whole part #. But it is FXU16HR11 which is also known as Denso 3478 according to info from the Rock Auto website. FXU16HR11 was the OEM part in my 2012 KIA Sorento with 2.4L GDI engine and these have, of course, that same part # on the plugs and they fit. As others have mentioned, the Amazon website shows they don't fit this car but that is incorrect. I believe that is because not all 2012 Sorento's have the GDI engine. I originally ordered Autolite plugs that Amazon did say would fit and they did not fit. The thread barrel on those non-fitting Autolites was 14mm diameter. The thread barrel on these is 12 mm diameter. I just installed them and the car runs fine. I gave 5 stars for mileage and value even though I haven't run them long because the OEM ones ran fine for 100,000 miles and still looked good when I replaced them with these.

We changed the igniters and plugs in my sons 2012 Sonata this weekend. the plugs are preset to i believe .43 gap. the plugs we took out were much wider gap lit .60 or more from my gap tool. They were worn down a lot so these definitely needed to be replaced. the Car has right about 100,000 miles on it. Should have changed them probably 20,000 miles ago. These are in a OEM box and were identical to ones we took out. Car is running great so no complaints.

They all fit and engine runs well.

I purchased a four pack of these OEM spark plugs for my 2016 Hyundai Tucson. Initially they performed as expected, but after only 2k miles, two of them failed. I've included a picture that shows how badly they failed. This one has part of the insulator broken off and the tip badly burned. Based on other reviews, it seems this is not uncommon and there are potential quality issues with some of these plugs. I would not recommend based on the potential large negative impact to an engine for a failure like I experienced.

Good Plugs. 120k miles on original set with no problems. I replaced with original plugs again and hope to see 120k more miles on them.

Not all plugs are compatible to your own personal vehicle