Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)

After switching to the Denso Iridium TT spark plug, I could immediately notice the difference. My car now runs much smoother, with a more balanced and harmonious performance. Acceleration feels cleaner, and the engine responds effortlessly. One of the best parts is the noticeable improvement in fuel economy—I’m saving gas while enjoying a more comfortable ride. The quality of this spark plug really stands out, and installation was quick and easy. If you want better performance and fuel savings, this is the spark plug to get.

Make sure you get them in the sealed box pictured, box top was sealed shut, I opened it and inspected all four since this is my second order. All were in perfect, untouched appearance. Gaps all uniform, electrodes line up perfectly, gap appears identical in all four, and the firing end protected by cardboard tube. Also, these came in a 6x6x6 heavy made box with a few air pouches...well protected. My first order of four came in an envelope, no outter box like picture, haphazardly just thrown in, all four loose to move around in the envelope, two where actually out of their boxes just tumbling around in the envelope. Two of these four even had been gapped wrong and the electrodes did not even line up. Easy fix these used four are going back to Amazon and should have never been sent out in such shape. Hope the picture and the above that I went though to get four actually new, untouched plugs helps others. Accept nothing but the sealed box, otherwise you're likely getting problematic plugs like I did, send them back.These are excellent plugs, I have used these before and know this first-hand. I feel some if not a lot of the negative reviews come from subpar plugs being shipped and installed, creating running problems. I definitely recommend the properly handled, packaged, and shipped plugs! 💯 Percent.

Put these in a Honda Fit so I had to gap them some. The factory gap was really consistent on the set and they were easy to gap out some. Went in no issues and are performing better than the Autolites I replaced them with.

No problems with these spark plugs in the last several thousand miles on my father's 2001 Toyota Camry. The old plugs weren't in the best condition and the engine ran noticeably smoother with these installed. Though these run a little more than other spark plugs, it's worth it not to cheap out. As with most plugs, these came gapped from the factory and the packaging assured that they weren't damaged. Make sure to get some anti-seize on the threads of these or they can become stuck over time.

appears to be good product but time will tell. The car installed in (Saab 95) is temperamental with spark plugs. Plugs purchased are top of the line Japanese plugs. They may be good or be bad. Top of the line Bosch plugs were good at the start of use but deteriorated rapidly. Time will tell if Denso are any better. They cost 150% more than Bosch for same specifications.

I have an oil-burning 2009 Audi A4 with 2.0 turbo motor. This is was deemed a bad motor and Audi owners were awarded replacement motor in a class action suit. The piston rings allowed excessive oil blowby. I didn't get mine replaced (missed the cutoff) so had to detail with an oily engine. It was every where and eventually got to the plugs along with carbon deposits. I tried some replacement platinum plugs and they would only last for a couple thousand miles before giving up--engine would struggle to turn over, just kept revving. After going through a couple sets, I opted for the IRIDIUM version and those have been good for 10k miles! If you've got an oil-burning turbo, give these a shot. They keep firing even after all the crap thrown at it from direct-injection "advancements." Outside of a rebuild, this is the best bet for keeping your car on the road.

I like NGK for years but can't beat Denso! Changed at 125,000 miles. Along with the timing belt, water pump(fluid flush), and alternator(it was Denso too). A different version of Denso iridium came in my 2006 Toyota Highlander. These new Denso are an upgrade! Much less pinging in the ignition. Also, I moved from 87 octane to 88. What a difference!!! MPG much better! Now I get 20 miles more out of full 16gal tank. Power is the same or a little better. My mileage is now at 230,000 and runs like a clock! Very smooth I can put a glass of water on the engine and it doesn't spill :)

Who buys 1 sparkplug? Why is the word "Pack" in this descrition. "Pack of 1" I thought this was a PACK of sparkplugs. Now I have to order 3 more. Please remove th word PACK from ad.

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engine run smoothly after changing

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Bujías de buena calidad. Opel Corsa A12XER