SK20R11 Iridium Long Life Spark Plug
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Denso SK20R11 Iridium Long Life Spark Plug

Part No. 3297 Warranty Details  

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This long-life spark plug features a special iridium alloy (90% Ir) and a platinum ground strap.
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Electrode Core Material:Copper
Electrode Tip Material:0.7mm Iridium
Ground Strap Quantity:1
Insulator Type:Purified Alumina
Manufacturer Heat Range:20
Material:0.7mm Iridium
Reach:3/4 in
Resistor:Yes
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:0.7mm Iridium
Type:Iridium Long Life
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
DensoSK20R11 Iridium Long Life Spark Plug
 
4.9

(based on 30 reviews)

Ratings Distribution

  • 5 Stars

     

    (28)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

97%

of respondents would recommend this to a friend.

Pros

  • Easy to install (16)
  • Improves engine efficiency (14)
  • Durable (10)
  • Increases power (6)

Cons

No Cons

Best Uses

  • Everyday driving (19)
  • Replacement (16)
  • Performance driving (3)
    • Car & Truck:
    • Casual driver (4), Auto enthusiast (3)
    • Reviewer Profile:
    • Casual driver (10), Auto enthusiast (6), Mechanic (3)

Reviewed by 30 customers

Displaying reviews 1-10

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5.0

OEM Replacement

By 

from Humacao, Puerto Rico

Verified Buyer

Comments about Denso SK20R11 Iridium Long Life Spark Plug:

This is the OEM replacement for my Toyota and for half the price you get on the dealer.

  • Was this a gift?:
  • No
 
5.0

Perfect plugs last too long

By 

from Buford ga

See all my reviews

Verified Buyer
3 or more reviews submitted

Comments about Denso SK20R11 Iridium Long Life Spark Plug:

Great plugs that last for a long time real good product I will recommend

  • Was this a gift?:
  • No
 
5.0

Would but again!

By 

from BR

See all my reviews

Verified Buyer
3 or more reviews submitted

Comments about Denso SK20R11 Iridium Long Life Spark Plug:

Every day usage

 
5.0

Fantastic!

By 

from Stockbridge, GA

About Me Casual Driver

Verified Buyer

Pros

  • Improves Engine Efficiency
  • Increases Power

Cons

  • Difficult To Install

Best Uses

  • Everyday Driving
  • Replacement

Comments about Denso SK20R11 Iridium Long Life Spark Plug:

I noticed my car milage is dropping down despite that its hybrid. All spark plugs were replaced and I can tell the difference immediately not only in milage but also in power and engine sound.

 
5.0

100k mile spark plugs! crazy.

By 

from North Idaho

About Me Auto Enthusiast

Verified Buyer

Pros

  • Durable

Cons

    Best Uses

    • Everyday Driving

    Comments about Denso SK20R11 Iridium Long Life Spark Plug:

    OEM parts combined with online coupon made it a great deal. My 4.7 4runner is noticeably smoother now ( was past due 133k on stock OEM plugs )

     
    5.0

    Quality with value

    By 

    from Chicago, IL

    Verified Buyer

    Comments about Denso SK20R11 Iridium Long Life Spark Plug:

    Excellent products

     
    5.0

    03 Camry (with one tip)

    By 

    from Chester, VA

    About Me Casual Driver

    See all my reviews

    Ask me a question

    3 or more reviews submitted

    Pros

    • Easy To Install

    Cons

      Best Uses

      • Everyday Driving
      • Replacement

      Comments about Denso SK20R11 Iridium Long Life Spark Plug:

      Denso SK20R11 is the same OEM for my 03Camry LE.
      I changed it 105K miles. I had issue with slow start the issue was connected with the battery not the spark plugs. But I went ahead and changed it since it been on for almost 144 months. 144 months or 120Kmile is the recommended replacement for 03 Camry.
      TIP: I ran into one installation problem, and I found a solution
      Problem: Sparkplug socket got stuck when I put the new one in.
      Solution: Duck tape Sparkplug socket and socket extension this helped to pull the socket out once the new one is in tight.
      Good Luck!

       
      5.0

      just what I ordered

      By 

      from Goshen Oio

      About Me Casual Driver

      See all my reviews

      Ask me a question

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Durable
      • Easy To Install
      • Improves Engine Efficiency

      Cons

        Best Uses

        • Everyday Driving

        Comments about Denso SK20R11 Iridium Long Life Spark Plug:

        All is good

         
        5.0

        Good product

        By 

        from Johnstown,PA.

        About Me Casual Driver

        Verified Buyer

        Pros

        • Easy To Install
        • Improves Engine Efficiency

        Cons

          Best Uses

          • Everyday Driving
          • Replacement

          Comments about Denso SK20R11 Iridium Long Life Spark Plug:

          Good product working very well

           
          5.0

          worth the money

          By 

          from Crystal Lake, IL

          About Me Auto Enthusiast, Mechanic

          See all my reviews

          Ask me a question

          3 or more reviews submitted

          Pros

          • Easy To Install
          • Improves Engine Efficiency
          • Increases Power

          Cons

            Best Uses

            • Everyday Driving
            • Performance Driving
            • Replacement

            Comments about Denso SK20R11 Iridium Long Life Spark Plug:

            Always buy OEM spark plugs. These are OEM for a. Lexus LS430 and worked great. Don't skimp buying cheaper plugs and don't waste your money buying so called better plugs. Buy what your car had in it from the factory

            Displaying reviews 1-10

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            Do you have questions about this product?

             

            Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

            4 Questions | 4 Answers
            Displaying questions 1-4
            • Q:

              what is the manufactures gap setting for this plug that is for a 2002 ES300 Lexus with 3.0 eng.?
              Asked on 3/7/2015 by Franklin70 from Madisonville, ky

              1 answer

              • CUSTOMER CARE

                A:

                Hi Franklin70, I'm glad to assist you! This Denso SK20R11 Iridium Long Life Spark Plug - Part No. 3297 is pre-gaped at 0.044 inch from the factory and it is an exact fit for your 2002 Lexus ES300, the fact remains that the gap must be adjusted for the vehicle that the spark plug is intended for.

                Answered on 3/7/2015 by Solomon
            • Q:

              Since this plug is pre-gapped is it just a removal of the old plug and replacement with the new plug. No other gapping or preparation needs to be done?

              Rob
              Asked on 3/11/2013 by Rob

              1 answer

              • CUSTOMER CARE

                A:

                This Denso SK20R11 Iridium Long Life Spark Plug -part# 3297 is vehicle specific. For assisting you further, please provide the year, make, model and engine size of the vehicle. You may also call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                Answered on 3/11/2013 by Vincent from AAP
            • Q:

              My manual says to use 0.043 gap. Do these still work even though there is a tiny difference with it being 0.044?
              Asked on 8/28/2012 by J from Austin, TX

              1 answer

              • CUSTOMER CARE

                A:

                We will need more information including the year, make, model, and engine size of your vehicle before we can make a suggestion. Please call us at 1-877-ADVANCE (238-2623) or visit your nearest Advance Auto Parts store and we would be more than
                happy to further assist you.

                Answered on 8/29/2012 by Rick from AAP
            • Q:

              Are these spark plugs factory gapped?
              Asked on 8/15/2012 by Ravi from Dublin

              1 answer

              • CUSTOMER CARE

                A:

                This Denso SK20R11 Iridium Long Life Spark Plug (Part# 3297) is pre-gapped and it is having spark plug gap of 0.044". For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

                Answered on 8/16/2012 by Rick from AAP
            Displaying questions 1-4

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