PT16TT Platinum TT Spark Plug
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Denso PT16TT Platinum TT Spark Plug

Part No. 4511 Warranty Details  
$3.89
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This spark plug features a platinum twin-tip design and a titanium enhanced ground strap.
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Electrode Core Material:Copper
Electrode Tip Material:1.1mm Platinum
Ground Strap Quantity:1
Insulator Type:Purified Alumina
Manufacturer Heat Range:16
Resistor:Yes
Spark Plug Reach:.708 in
Spark Plug Seat Type:Tapered
Spark Plug Thread Size:14 mm
Tip Configuration:1.1mm Platinum
Type:Platinum TT
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
DensoPT16TT Platinum TT Spark Plug
 
4.5

(based on 42 reviews)

Ratings Distribution

  • 5 Stars

     

    (32)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

90%

of respondents would recommend this to a friend.

Pros

  • Improves engine efficiency (29)
  • Easy to install (26)
  • Increases power (22)
  • Durable (14)
  • Lightweight (4)

Cons

  • No improvement in performance (4)

Best Uses

  • Everyday driving (31)
  • Replacement (19)
  • Performance driving (7)
    • Car & Truck:
    • Auto enthusiast (6), Casual driver (6), Mechanic (3)
    • Reviewer Profile:
    • Casual driver (16), Auto enthusiast (13), Mechanic (9), Truck enthusiast (7)

Most Liked Positive Review

 

'99 S-10 Runs Better Than Ever

Finally replaced the old OEM plugs that were installed several years ago, though I've only clocked about 35K miles in 6 years. The truck is a '99 S-10, 4 cylinder automatic,...Read complete review

Finally replaced the old OEM plugs that were installed several years ago, though I've only clocked about 35K miles in 6 years. The truck is a '99 S-10, 4 cylinder automatic, daily driver with 118K on the clock and it had been unusually anemic accelerating for awhile. I bought the Denso Platinums as most reviews were positive and the price was right.
I put them in and started it up: WOW, engine's running smoooooooth, quiet, I can hardly notice the drag when the A/C turned on. Now, this is a daily driver, not driven hard since this engine/trans is pretty pedestrian and even moreso with the A/C on, but the Densos have amazed me with the improved performance. Fuel mileage appears to be up too but I need a few more tankfuls before I can quantify this.
Great product, IMO.

VS

Most Liked Negative Review

 

Decrease MPG and performance

I installed these on a 2006 GMC Sierra 5.3L V8 with 117,000 miles. I was getting 16.5mpg mixed. After installing these, I noticed an instant decrease in power, it idled poorly, and...Read complete review

I installed these on a 2006 GMC Sierra 5.3L V8 with 117,000 miles. I was getting 16.5mpg mixed. After installing these, I noticed an instant decrease in power, it idled poorly, and my average mileage over 4 weeks has been 14.3mpg. My advice is look elsewhere. Spend the extra money, use a coupon code, and get the AC 41-805 or 962 plugs for $5 each.

Reviewed by 42 customers

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Displaying reviews 1-10

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(2 of 4 customers found this review helpful)

 
5.0

Couldn't be better

By 

from Estero, FL

About Me Casual Driver

Pros

  • Durable
  • Easy To Install
  • Improves Engine Efficiency
  • Increases Power

Cons

    Best Uses

    • Everyday Driving

    Comments about Denso PT16TT Platinum TT Spark Plug:

    It didnt fit my spark plug socket..
    So I had to stretch the hole of the socket with a small paint brush handle or pen. I then duct tape the socket to the wrench..so the socket doesn't slip off while I'm installing it...and that worked perfectly.
    My first time changing plugs.. I even had to remove the intake manifold to get at the back cylinder of my V6

    The installation was a success and I could feel the difference right away...now my Mazda runs like a hot knife through butter.

    Glad I got these...and will continue to do so.

    Comment on this review(earn points)

    (3 of 5 customers found this review helpful)

     
    5.0

    works as advetised

    By 

    from pa

    Verified Buyer
    Helpful Reviewer

    Pros

    • Immediate improvement
    • Increases Power
    • In Power

    Cons

      Best Uses

        Comments about Denso PT16TT Platinum TT Spark Plug:

        immediate improvement in power

        Comment on this review(earn points)

        (12 of 24 customers found this review helpful)

         
        5.0

        Great plug

        By 

        from Telluride, co

        About Me Auto Enthusiast, Casual Driver, Competitive Driver, Mechanic

        3 or more reviews submitted

        Pros

        • Direct fit
        • Durable
        • Easy To Install
        • Improves Engine Efficiency

        Cons

          Best Uses

          • Everyday Driving
          • Replacement

          Comments about Denso PT16TT Platinum TT Spark Plug:

          Fit perfect for my 1987 190e 2.6

          Comment on this review(earn points)

          (14 of 25 customers found this review helpful)

           
          1.0

          Decrease MPG and performance

          By 

          from Grand Blanc, MI

          Pros

          • Price

          Cons

          • Decreases Gas Mileage
          • No Improvement In Performance

          Best Uses

            Comments about Denso PT16TT Platinum TT Spark Plug:

            I installed these on a 2006 GMC Sierra 5.3L V8 with 117,000 miles. I was getting 16.5mpg mixed. After installing these, I noticed an instant decrease in power, it idled poorly, and my average mileage over 4 weeks has been 14.3mpg. My advice is look elsewhere. Spend the extra money, use a coupon code, and get the AC 41-805 or 962 plugs for $5 each.

            Comment on this review(earn points)

            (10 of 21 customers found this review helpful)

             
            5.0

            PT16TT Platinum TT Spark Plug

            By 

            from Holbrook, Ma

            About Me Casual Driver

            Verified Buyer
            Level 2

            Pros

            • Improves Engine Efficiency

            Cons

              Best Uses

              • Everyday Driving

              Comments about Denso PT16TT Platinum TT Spark Plug:

              It's a good product

              Comment on this review(earn points)

              (10 of 21 customers found this review helpful)

               
              4.0

              first time user for this...

              By 

              from pgh.pa

              Verified Buyer
              Helpful Reviewer

              Pros

                Cons

                  Best Uses

                  • Everyday Driving

                  Comments about Denso PT16TT Platinum TT Spark Plug:

                  no problems so far..

                  Comment on this review(earn points)

                  (10 of 21 customers found this review helpful)

                   
                  4.0

                  So Far So Good

                  By 

                  from Englewood, FL

                  Ask me a question

                  Level 2

                  Comments about Denso PT16TT Platinum TT Spark Plug:

                  I just replaced the factory irridium plugs in my 2004 silverado z71 with these platinum plugs. The truck has 130,000 miles and was starting to run rough with poor fuel milage. These plugs were cheap but after installing them, the engine idles better. Don't know if milage will improve or not as I just put them in yesterday. Also my plug wires were in really bad shape so I suspect that most of the rough idle conditiion was due to the old plug wires.

                  Comment on this review(earn points)

                  (10 of 20 customers found this review helpful)

                   
                  5.0

                  Copper

                  By 

                  from Winchester, VA

                  About Me Truck Enthusiast

                  Verified Buyer
                  3 or more reviews submitted

                  Pros

                  • Improves Engine Efficiency

                  Cons

                    Best Uses

                    • Everyday Driving

                    Comments about Denso PT16TT Platinum TT Spark Plug:

                    Durable

                    Comment on this review(earn points)

                    (11 of 20 customers found this review helpful)

                     
                    5.0

                    Great plugs for The Great White North

                    By 

                    from London, Ontario, Canada

                    About Me Auto Enthusiast

                    Verified Buyer
                    Level 2

                    Pros

                    • Improves Engine Efficiency

                    Cons

                      Best Uses

                      • Everyday Driving
                      • Replacement

                      Comments about Denso PT16TT Platinum TT Spark Plug:

                      Denso is a new brand for me and will be being used in an 08 Montana. Fired well right from the beginning.Today it is -5 F degrees here and I didn't notice any lack of performance. It appears that for northern winters,you can't beat the combination of synthetic oil and Denso spark plugs.I am presently restoring a 2001 Dodge Durango SLT and Denso will definitely be going into that vehicle. I have four vehicles and the next time I get close to needing spark plugs for one of them I will definitely be adding Denso to my AAP shopping list.

                      Comment on this review(earn points)

                      (11 of 23 customers found this review helpful)

                       
                      5.0

                      long time maintenence-expect > 75k mil

                      By 

                      from elgin, il

                      About Me Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

                      Ask me a question

                      Verified Buyer
                      Level 3

                      Pros

                      • Easy To Install
                      • Improves Engine Efficiency
                      • Increases Power
                      • Lightweight

                      Cons

                        Best Uses

                        • Everyday Driving
                        • Performance Driving
                        • Racing
                        • Replacement
                        • Restoration

                        Comments about Denso PT16TT Platinum TT Spark Plug:

                        always trusted denso/ngk in my engines

                        Comment on this review(earn points)

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                        Do you have questions about this product?(earn points for answers!)

                         

                        Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

                        20 Questions | 22 Answers
                        Displaying questions 1-10Previous | Next »
                        • Q:

                          what is the exspected mileage till they have to be replaced again? ( 90,000 - 100,000 )
                          Asked on 12/8/2014 by mike from Venice, Florida

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Mike, glad to help you! The Platinum tipped spark plugs have varying life expectancy ranging from 60,000-100,000 miles as it depends upon the driving conditions and maintenance of your vehicle.

                            Answered on 12/9/2014 by Steve from AAP
                        • Q:

                          how many are included in the pack
                          Asked on 5/21/2014 by pooh from Raeford NC

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Good question, pooh! This spark plug is sold individually.

                            Answered on 5/21/2014 by Vincent from AAP
                        • Q:

                          do i have to gap these for my 2006 chevy silverado 1500 ls 4.8 v8?
                          Asked on 5/7/2014 by josh from westbrook,maine

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Josh, glad to assist you! This part is an exact fit for your vehicle and it is pre-gapped.

                            Answered on 5/7/2014 by Steve from AAP
                        • Q:

                          My owners manual calls for a Denso spark plug, part number; PTZ16R15. While I have no doubt your listing PT16TT will "exact fit", how can you prove to me this is the correct spark plug. I really only want to do this job once.
                          Asked on 4/10/2014 by Zumby

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Zumby, glad to assist you! To check the exact fit application for the Denso PT16TT Platinum TT Spark Plug (Part No. 4511), please provide us the year, make, model and engine size of your vehicle.

                            Answered on 4/11/2014 by Steve from AAP
                        • Q:

                          I have a 2003 Ford Windstar with 130000 miles. Gap calls for .052-.056. Should I regap these plugs or run them at .040 gap?
                          Asked on 2/27/2014 by Richard from Beavercreek, Ohio

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Richard, glad to assist you! This spark plug is an exact replacement for your 2003 Ford Windstar. It is always recommended to gap the spark plugs according to the manufacturer's specifications in order to avoid intermittence.

                            Answered on 3/4/2014 by Vincent from AAP
                        • Q:

                          I have a 1999 Lincoln town car with a 4.6 L. I noticed that the reach is slightly different between your Denso PT16TT (45.11)and your OE Motorcraft (SP 493). (Denso .708 inch) (Motorcraft (.679)inch). Will this make any difference? Also I must change the gap to .054 inch. That means that you have an angle in the lateral electrode to overcome the difference in gap. Does this angle of the lateral electrode make a difference? It looks like from your other posts that the OE recommended gag is preferred? I have always been taught to stick to the OE manufactures recommendations. (under hood sticker)
                          Asked on 10/26/2013 by Rich from Vallejo, Ca.

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Rich, this Denso PT16TT Platinum TT Spark Plug - part# 4511 is an exact fit for your 1999 Lincoln Town Car and is pre gapped at 0.040". However, it is better to stick with the factory recommendations and gap them at 0.054". The plug reach would not make much difference.

                            Answered on 10/28/2013 by Vincent from AAP
                        • Q:

                          what is the life expectancey for these plugs
                          Asked on 8/23/2013 by e from humboldt iowa

                          1 answer

                          • CUSTOMER CARE

                            A:

                            The life expectancy of this Denso PT16TT Platinum TT Spark Plug - Part No. 4511 depend upon your usage. It has center electrode is created using an extremely durable platinum alloy that allows for the reduction of the tip size to 1.1mm in diameter, while maintaining the life of the plug. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                            Answered on 8/24/2013 by Morgan from AAP
                        • Q:

                          i got a 2008 ford escape with a 2.3 engine. the gap is .051 will this harm the engine if it come pre-gapped at .040
                          Asked on 8/11/2013 by frank g. from sugar hill,ga

                          1 answer

                          • CUSTOMER CARE

                            A:

                            This Denso PT16TT Platinum TT Spark Plug – Part No. 4511 is pre gapped at 0.040 and it is better to stick with the factory recommendations and gap them at 0.051. For any further assistance, please call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                            Answered on 8/11/2013 by Morgan from AAP
                        • Q:

                          do i have to gap these spark plugs for a 2001 chevy malibu requiring a .060 gap? Denso PT16TT Platinum plugs
                          Asked on 7/27/2013 by Dee from Deltona,FL.

                          1 answer

                          • CUSTOMER CARE

                            A:

                            This Denso PT16TT Platinum TT Spark Plug - part# 4511 is pre gapped at 0.040 and it is better to stick with the factory recommendations and gap them at 0.060. For any further assistance, please call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                            Answered on 7/27/2013 by Vincent from AAP
                        • Q:

                          Do I needed to gap these plugs for my 2000 mercury grand marquis?
                          Asked on 6/14/2013 by Don from Salisbury, Nc

                          1 answer

                          • CUSTOMER CARE

                            A:

                            The Denso PT16TT Platinum TT Spark Plug (Part No. 4511) is an exact fit for your 2000 Mercury Grand Marquis and it is pre-gapped at 0.040 inch. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                            Answered on 6/14/2013 by Steve from AAP
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