NGKSpark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each

I recently purchased the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug for my car, and it has exceeded my expectations in every way. From the seamless fit to the lightning-fast delivery, this purchase has been a delight.The spark plugs arrived well-packaged and ahead of schedule. Each plug was in perfect condition, and the installation was a breeze, thanks to the precision fit tailored for my car model.Since upgrading to these NGK spark plugs, I've noticed a significant improvement in my car's performance. The engine runs smoother, and there's a noticeable boost in fuel efficiency. It's clear that these spark plugs are engineered for optimal functionality.I appreciate the accuracy of the product description, as the NGK (4912) ILKAR7B11 plugs are exactly as described. The quality craftsmanship is evident, and I'm confident that these spark plugs will contribute to the longevity and efficiency of my vehicle.If you're looking for a reliable and high-performance spark plug, I highly recommend the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug. It's a stellar product that delivers on its promises, and the prompt service from the seller made this purchase even more satisfying. Five stars without hesitation!

My 15 plug in has 80K now. When I bought it from the dealer they said they did a tune up, oil change, etc and brought the 68K mile car up to certified quality. So I waited to change the oil until 80K When I took out the filter I noticed it was a WIX. Interesting. Coming from a Toyota dealer. Ever heard of factory service using off brand parts? Me neither. So I figured they didn't do much of anything before I bought it. So I changed the plugs. Sure enough they are OEM DENSO s11. These NGK's are almost $15 cheaper per set and wow. What a nice difference in the smoothness of the engine. I know they are supposed to be changed at 100 or even 150K But the change out at 80 K miles tells me that may be too late. On a 20 mile circuit I know the odo reports 52mpg today. Yesterday with the old plugs, same car, same traffic and as far as I can remember the same traffic lights (mostly freeway) it reported 48. That is big enough to say something I did helped even if only 2 of those MPGs So I am a happy camper with these plugs. The are OEM quality from NGK not the performance x series so they should last 60-70K depending on driving style. And , even though you have to take a bunch of stuff off to change them it can still be done in an hour. Not bad.

They work good for now and make some mileage extra, will look ,if have some problem, will inform you.Original Denso pass 115 000 Miles on Prius V 2014 and still good, Toyota recommend replace around this mileage ,replace transmission oil at 30 000 Mile with 4 quarter new oil, replace engine oil with full synthetic at 5000 Mile and car will last forever.Please put some tape on both side on spark plug , package is cheap.

These were perfect fit for 2010 Toyota Prius. DIY and save labor costs. Pre-gapped. No issues. Amazon could have wrapped in shrink wrap or something as the box was too big for these plugs and they could have easily come out of the box and cracked. Check Youtube for instructions on installing. BTW, sorry, there is no way you can pull out the ignition coils without removing the wiper blade, wiper blade engine and metal "cowel" that the wiper engine sits on. It's not as hard as it looks to DIY. Took about 30 minutes to remove all the things blocking the coils/plugs. After that 15 min to change all 4 plugs. Poor design to obstruct the plugs by Toyota on 2010 Prius. 2.5 hr to do the entire job. .5 hr to clean the dirty areas. After 113K miles, car feels zippier with new plugs. $40 and your time. Worth it!

Great merchandise great price . Comes pre gapped. Absolutely gets a 5 star.

You should use only iridium plugs and I bought into the laser bonding of the electrode as not to require any gapping. However once I check the gap (done easily with an inexpensive plug gap tester) I found it was not the gap my 2014 Prius V required, which was 0.043, however it came pre-gapped at 0.039 which some Toyotas do use and is considered acceptable, however why would one put in an acceptable plug gap when the exact one can be done in seconds. If you do decide to gap a plug, don't force a screwdriver between the top and the plug electrode, simply use a plier to grap the top on lift up. If to much, tap it down.

Replaced the spark plug in my 2016 Indian Scout and since it has been running great.

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