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Denso 3422 Spark Plug, 1 Count (Pack of 2)

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$19.28

$ 8 .99 $8.99

In Stock

About this item

  • The information below is per-pack only
  • Denso # 3422
  • Extra Long Life Iridium Plug
  • 0.7mm Fine Wire Iridium-Tipped Center Electrode
  • Platinum Tipped Ground Electrode



Charles C.
Reviewed in the United States on March 12, 2024
Bought six of these after getting cylinder misfires across EVERY cylinder using NGK platinums. These are the original plugs for this model of car, and I’d highly recommend using original plugs in general, whatever car you drive. So far so good, and buying these for under $10 each beats paying the dealership $25+ for each.
E.C.
Reviewed in the United States on September 8, 2023
Works as expected; Denso is Denso !!
Tim
Reviewed in the United States on December 27, 2019
They seem fine in in an 07 Honda Ridgeline. I gained about a mile and a half on the Hwy and one in the city.
TSB
Reviewed in Canada on April 15, 2018
I've got new spark in my life
Denitsa
Reviewed in the United States on May 16, 2016
Running smooth! I just replaced the plugs on my 2007 Odyssey EX. The part is a perfect fit and it says on the packaging "made in Japan". Will provide feedback on the fuel economy after a couple of long trips. My old plugs were NGK (I assume original) and were in pretty good condition. MPG was freeway 24, city 13.5-14.5. The van has 103,800 miles.
LM
Reviewed in the United States on October 18, 2016
They fit and perform as intended. First set lasted 100k.
TxFergy
Reviewed in the United States on November 13, 2014
I had purchased Bosh for my Honda and while researching the install on forums the night before I was planning on replacing, I noticed an overwhelming amount of Honda owners who had BAD luck with Bosh and AC Delco plugs in Honda engines. I decided to return the Bosh before opening them and order these on Amazon since my local automotive store did not carry Denso. So far the car is running beautifully and I have even seen a tiny increase in fuel economy. My old Denso plugs had 105K miles on them and where from the factory.
Customer
Reviewed in the United States on June 25, 2012
Just replaced the plugs in a Honda Pilot, these were all pre-gapped correctly and the car seems to idle a little smoother and has a little more power under acceleration. I was a little overdue, replacing plugs at around 120k instead of the recommended 105k, but the plugs I pulled out, also Denso, appeared to be in pretty good shape, so I expect these will last a long time.
Mrs.Potter
Reviewed in the United States on December 2, 2009
These plugs came as stock with my vehicle when I bought it new. I noticed a 20% fuel mileage drop and checked the plugs. After 40,000 miles they were showed practically no wear and the gap had changed minimally. I ordered a new set of plugs anyway just to be sure. In the meantime I installed a set of Delco plugs, the difference was night and day. The Delco plugs ran too cold so the idle was rougher and there was a slight drop in fuel mileage on top of the original 20%. When the new Denso plugs arrived I installed them and indexed them as well (even though indexing plugs on a SUV probably doesn't improve perfomance too much). The difference was definitely noticeable, there was definitely more power and the fuel mileage went back to the original 20% drop that prompted this experiment. Since all other factors that could account for a mileage drop had been accounted for I attribute the drop to blended fuels. I came to this conclusion because while on a road trip I stopped at a fuel station that sold straight unleaded fuel. With a tank of straight unleaded fuel my mileage returned to normal. If you switch to the Denso plug from a different brand I would recommend installing the Denso coils as well for optimum performance. The extra few bucks for the Denso plugs is definitely a value since the plugs will probably last for the advertised 100,000 miles and give you great performance as well.
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