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William R Plant
Reviewed in the United States on January 29, 2025
Fit my 05 Chevy 5.3 and works well
Rex
Reviewed in the United States on December 12, 2024
Just installed the spark plugs.It fits very. Will come back and update more after the car is driven for about 100 miles.
Arf Will
Reviewed in the United States on June 7, 2016
No increase in gas mileage, but they're supposed to last longer. Shop around for plugs with multiple ground electrodes, like E3 plugs. Bosch plugs have a bad reputation for disintegrating and causing engine damage.
Mark smith
Reviewed in the United States on February 19, 2016
I replaced my 2001 Ford ranger 3.0 sparks with these as well as Bosch plug wire set. There was nothing wrong with my truck before replacement. After the installation I drove about 6000 miles before my truck developed a slight misfire that worsened over time to the point that the truck was not driveable. I took it to my shop and replaced the plugs and wire harness with originial motorcraft parts and the problems went away completely. As I was removing the denso plugs I discovered that one of the 2 cylinders that had been misfiring had a plug that was missing its cap. The other misfiring cylinder spark's center electrode was missing when it was pulled from the cylinder. This is completely unacceptable and deters me from ever purchasing anything automotive related from denso again. I have saved the sparks and kept them in my home in my parts box and they have since rusted (about 1 month later). None of my other parts or are rusted or any of my tools. These are inferior, cheap plugs. Spend the extra money for original plugs or another brand. Save yourself the headache when they fail
zach
Reviewed in the United States on December 19, 2016
Junk bought a set and a week later one went out the next day another went out and I bet can't guess what happened on the third day. Yup one more went out then I took them out and tossed them in the trash.
William
Reviewed in the United States on September 4, 2015
I needed to do a tune up to my Ford. Every one that knows a little about cars told me I should go to the dealer and get plugs. The dealer suggests double platinums, but working on cars for a living I would much rather use iridium spark plugs for their longer life. I put these in 2 years ago and they are keeping my 4.6 running smoothly. So don't be afraid of these if you are not familiar with the name. Denso comes factory in many pacific rim cars and in my opinion are top of the line
Moises
Reviewed in the United States on July 28, 2013
I bought these spark plugs and they install a 1997 Ford F150 pickup, the result was very good acceleration and also a little less fuel consumption. I highly recommend these spark plugs, are a bit expensive but worth it.
Brandon
Reviewed in the United States on November 13, 2013
I have to say that these are simply the best plugs. I've used these Denso .4mm tipped plugs in my Honda CRX SI twice changing them out at 80K intervals with little wear (could go longer but better safe than sorry). Noticed an improvement of a couple MPG, smother idling, with improved response time. Denso is one of the top choice oem auto parts manufacturers, so you now they make quality parts and have earned my trust. Just put in a fresh set in for my Ford Focus, switched out the autosomethig platinums that came with the car from the previous owner, and right off the bat I noticed a smoother idle and improved performance. Just hoping they will improve my gas mileage a bit too as they did for my old CRX (RIP). I have tried many other brands and have found Denso .4 mm tip plugs to be the best bang for the buck. Second choice would be NKG as I have had good success with that brand too.
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