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Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)

4.6 out of 5 stars 1,375 ratings
$5.02
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Purchase options and add-ons

Brand Denso
Core Material Platinum
Thread Size 14mm
Vehicle Service Type UTV
Global Trade Identification Number 00042511045040

About this item

  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
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Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
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Top Brand: Denso

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From the manufacturer

About Us

DENSO is a supplier of advanced automotive technology, systems and components for major automakers.

The DENSO Philosophy guides our corporate actions, ensuring that we will continue to be trusted by people around the world.

Everything we do is based on our philosophy: "Contributing to a better world by creating value together with a vision for the future."

DENSO will prepare a brighter future for generations to come through our commitment to protecting lives. We believe the unique strengths of our research, production and people make anything possible.

Product Description

Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)

Product information

Technical Details

Brand ‎Denso
Core Material ‎Platinum
Thread Size ‎14mm
Vehicle Service Type ‎UTV
Global Trade Identification Number ‎00042511045040
UPC ‎042511045040
OEM Part Number ‎DENS7
Manufacturer ‎Denso
Model ‎Spark Plug
Item Weight ‎1.44 ounces
Product Dimensions ‎1.1 x 3.4 x 1.2 inches
Country of Origin ‎USA
Item model number ‎PK20TT
Is Discontinued By Manufacturer ‎No
Exterior ‎Machined
Manufacturer Part Number ‎PK20TT

Additional Information

ASIN B002M2MMXM
Customer Reviews
4.6 out of 5 stars 1,375 ratings

4.6 out of 5 stars
Best Sellers Rank #423,106 in Automotive (See Top 100 in Automotive)
#2,396 in Automotive Replacement Spark Plugs
Date First Available January 2, 2007

Warranty & Support

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What's in the box

  • Spark Plug

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    Price$4.87$17.99$19.33$4.50$18.99$5.95
    Delivery
    Get it Apr 16 - 18
    Get it as soon as Thursday, Apr 17
    Get it as soon as Thursday, Apr 17
    Get it Apr 16 - 18
    Get it as soon as Thursday, Apr 17
    Get it as soon as Thursday, Apr 17
    Customer Ratings
    4.64.6 out of 5 stars1,375
    4.44.4 out of 5 stars121
    4.24.2 out of 5 stars19
    4.54.5 out of 5 stars5
    4.74.7 out of 5 stars309
    4.64.6 out of 5 stars7
    Sold By
    compatible vehicles
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    core material

    Customer reviews

    4.6 out of 5 stars
    1,375 global ratings

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    Write a customer review

    Customers say

    Customers find these spark plugs work well across various vehicles, including the Chevy Sonic and Civic, noting improved performance with smoother engine operation and better fuel efficiency. The plugs are easy to install and offer good value for money, with one customer noting they're comparable to more expensive iridium alternatives. While the fit is exact and the quality is good, customers have mixed experiences with the spark quality, with some reporting issues with misfiring.

    AI-generated from the text of customer reviews

    Select to learn more

    154 customers mention "Functionality"154 positive0 negative

    Customers report that the spark plugs work well, with one mentioning successful use in a 3.7L Dakota and others noting improved performance in their Civics.

    "After adjusting the gap, they work great. Engine idle is smoother and acceleration feels more responsive. Gas mileage is about the same...." Read more

    "Installed in my 2002 Porsche Boxster and worked without any issues...." Read more

    "Worked great in my 2000 Toyota Tundra, no issues, shipped quickly...." Read more

    "Very good product ... Put it on my 2004 Accord 4cyl which currently has over 230k miles so spark plug change interval must be shortened... Please..." Read more

    99 customers mention "Value for money"99 positive0 negative

    Customers find these spark plugs to be good value for money, with one customer noting they are the best replacement for expensive iridium ones.

    "...The price in these are great (less than the standard plugs i took out) and being platinum should last a longer time...." Read more

    "Really great spark plugs for the price. They may not be as good as iridium plugs but they will last longer and a fraction of the cost...." Read more

    "...Their denso what I wanted, great price to. pre-gapped already for my 3.0L engine. Has Lexus engine. Runs smooth like the first day it started." Read more

    "Less expensive plugs than the dealer or other local parts stores, car runs great after 200,000 miles and still getting the 26 mpg I got when I..." Read more

    78 customers mention "Plug quality"71 positive7 negative

    Customers find these spark plugs to be of great quality, particularly noting their compatibility with Toyota vehicles.

    "Simply Awesome Spark Plugs. I wish i knew about these when i had my previous Honda Civic...." Read more

    "...for my Honda accord plugs at 65000 miles, but the plugs were in perfect shape so I did not replace them...." Read more

    "The plugs are great as always. Just a shame the arrived a month late! And amazon would not let me cancel once i found out" Read more

    "this is the right spark plugs for my toyota camry 04, I checked Denso web site before placed order on Amazon...." Read more

    50 customers mention "Engine performance"45 positive5 negative

    Customers report significant improvements in their car's performance, noting smoother operation, better fuel efficiency, and more responsive acceleration.

    "After adjusting the gap, they work great. Engine idle is smoother and acceleration feels more responsive. Gas mileage is about the same...." Read more

    "...and from the get go i have seen exceptional improvement in acceleration smoothness, power and in MPG...." Read more

    "...The car runs great with these plugs and gives me some peace of mind since the worn factory plugs are in the trash...." Read more

    "...better plugs than the Bosch alternative, and in my 2006 Audi A3, run much smoother with a cleaner, more powerful spark...." Read more

    47 customers mention "Quality"42 positive5 negative

    Customers find these spark plugs to be of good quality and lasting, comparing them favorably to other brands.

    "...(less than the standard plugs i took out) and being platinum should last a longer time...." Read more

    "...They may not be as good as iridium plugs but they will last longer and a fraction of the cost...." Read more

    "Good quality. I put these in my girls 2002 4.7 Toyota sequoia and she spun tires (whoopsy) on the first test drive...." Read more

    "...that fatter spark, and being platinum will hopefully prove to be long lasting. Can't beat the price either." Read more

    46 customers mention "Fit"36 positive10 negative

    Customers report that the spark plug fits well in their vehicles, with one customer specifically mentioning it works perfectly in a 2005 Honda Civic and another noting compatibility with a 16mm deep socket.

    "...Both the 5/8inch, and the 16mm deep socket fit this plug fine...." Read more

    "It fitted my 2003 Honda Accord as advertised." Read more

    "Worked great on a 2008 Honda Fit, but the plugs were not gapped correctly. Fit specs say @ 0.044 gap but these were 0.035-ish out of the box...." Read more

    "...Pre-gapped around 0.4, small adjustment needed. no biggie. They working great so far." Read more

    13 customers mention "Ease of installation"13 positive0 negative

    Customers find the spark plug easy to install.

    "...Easy enough to fix, just be aware you need to check them and adjust. Hopefully, these will last a while...." Read more

    "...But, I had to gap one of them. Otherwise, very easy to install depending on the car you have ." Read more

    "...Fit specs say @ 0.044 gap but these were 0.035-ish out of the box. Easy fix, quick install, and down the road we go. :-)" Read more

    "...It'll make your next plug change much easier." Read more

    16 customers mention "Spark quality"6 positive10 negative

    Customers have mixed experiences with these spark plugs: some report successful firing, while others mention issues with misfiring and backfiring.

    "Really great spark plugs for the price. They may not be as good as iridium plugs but they will last longer and a fraction of the cost...." Read more

    "...However they both ignite the fuel so I am happy😊..." Read more

    "...as the gap was too big for my Manufacturer specs, coils burns" Read more

    "...This plug was worse than the old plugs that I needed to replace...." Read more

    Work as they should
    5 out of 5 stars
    Work as they should
    Seem to run just fine in Honda 2.4
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    Top reviews from the United States

    • Nosferatu
      5.0 out of 5 stars These are Made in Japan
      Reviewed in the United States on May 10, 2023
      Verified Purchase
      After adjusting the gap, they work great. Engine idle is smoother and acceleration feels more responsive. Gas mileage is about the same. I bought them for a Honda Civic LX 2004.
      One person found this helpful
      Helpful
       Report
    • George Duhaney
      5.0 out of 5 stars Simply Awesome Spark Plugs
      Reviewed in the United States on March 29, 2016
      Verified Purchase
      Simply Awesome Spark Plugs. I wish i knew about these when i had my previous Honda Civic. Installed these in my 2009 Honda CR-V (Replaced NGK ZFR6K) and from the get go i have seen exceptional improvement in acceleration smoothness, power and in MPG. I can say there seems to be something behind them being double platinum tipped and not just hype. The price in these are great (less than the standard plugs i took out) and being platinum should last a longer time. Iridium's to me were just too expensive to substantiate me buying them. I do not believe any standard spark plug should be in a vehicle for more than 2 years. As i have seen many coil packs fail due to worn out spark plugs. With these being Platinum i may keep them in a little longer say 3 years or so before taking them out for inspection to see if they can go longer.
      One person found this helpful
      Helpful
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    • Example: Mark Twain
      5.0 out of 5 stars Good for many automotive applications
      Reviewed in the United States on July 7, 2015
      Verified Purchase
      I bought these as a replacement for my Honda accord plugs at 65000 miles, but the plugs were in perfect shape so I did not replace them. After finding that they are also compatible with my girlfriend's VW Eos 2.0T FSI, and seeing that her factory plugs had some deposits at 53,000 miles, I decided to put these in her car and I'm glad I did. The car runs great with these plugs and gives me some peace of mind since the worn factory plugs are in the trash. Fuel economy and performance is comparable to where it was when the factory plugs were clean and new.
      One person found this helpful
      Helpful
       Report
    • Upgrayedd
      4.0 out of 5 stars Good quality plugs that will save you some cash!
      Reviewed in the United States on October 9, 2016
      Verified Purchase
      Really great spark plugs for the price. They may not be as good as iridium plugs but they will last longer and a fraction of the cost. These are much better plugs than the Bosch alternative, and in my 2006 Audi A3, run much smoother with a cleaner, more powerful spark.

      Unless you truly need the iridium plugs for super high performance purposes or just being able to tell people that you are using iridium plugs in your 1997 Dodge Neon, maybe just go the smart route and get these Platinum plugs instead and use the saved cash to buy something useful... like an eHarmony account.
      4 people found this helpful
      Helpful
       Report
    • Ramesh K
      5.0 out of 5 stars worked without any issues replaced Beru with DENSO in my boxster
      Reviewed in the United States on July 26, 2016
      Verified Purchase
      Installed in my 2002 Porsche Boxster and worked without any issues.At first I was afraid because I was replacing the Beru spark plugs with DENSO, and the ignition coils were made by Beru so I was not totally sure if they make good contact with the tip of this spark plug. Becacuse my observation was Beru sparkplugs are a millimeter or two longer. And the ignition coil has a spring at the end that presses against the spark plug. so I felt length of the spark plug is important as well. But after the job is done my Boxster ran fine and no issues.
      Helpful
       Report
    • Damien B.
      5.0 out of 5 stars Great spark plugs
      Reviewed in the United States on September 16, 2019
      Verified Purchase
      I’ve used these 2 different times now I purchased a 95’ Camry with 150,000 miles back in 2010 November, I installed these, then recently I noticed I have 224,000 miles , so time to change them out again. Their denso what I wanted, great price to. pre-gapped already for my 3.0L engine. Has Lexus engine. Runs smooth like the first day it started.
      5 people found this helpful
      Helpful
       Report
    • R2D
      5.0 out of 5 stars OE quality
      Reviewed in the United States on February 29, 2024
      Verified Purchase
      Cant go wrong with Denso
      Helpful
       Report
    • LA
      5.0 out of 5 stars Work great, save $$
      Reviewed in the United States on February 6, 2020
      Verified Purchase
      Less expensive plugs than the dealer or other local parts stores, car runs great after 200,000 miles and still getting the 26 mpg I got when I bought it in 2003. Not that the plugs get all the credit, but hey, no problems!
      One person found this helpful
      Helpful
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    Top reviews from other countries

    • KIM, JONGDEUK
      5.0 out of 5 stars Fifs perfectly on 2003 Toyoota Highlander 3.0L V6 AWD
      Reviewed in Canada on April 13, 2018
      Verified Purchase
      By Jong Kim. On April 1, 2018
      Great. This one is Denso. I replaced new one, Denso spark plugs on my vehicle. It fits perfectly on my 2003 Highlander 3.0L V6 AWD gas engine. Awesome ! fast shipping. thanks for Amazon.
      Report
    • kewal
      5.0 out of 5 stars Best quality
      Reviewed in Canada on June 12, 2019
      Verified Purchase
      I’m very happy this is made in Japan best quality in the world fast shipping thanks
      Report