Super Coil
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Accel Super Coil

Part No. 140021 Warranty Details  

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These coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to delivery 10-15 percent more energy than the OEM coils. Specialized high temperature epoxy resists shock and vibration, while increasing thermal conductivity. These are direct plug replacements for OEM coils. They feature bodies and, or secondary towers molded in ACCEL yellow and feature brass secondary contacts (except direct fire coil on plug applications).

Product Features:
  • Super Coil Ignition Coil
  • Optimized Low Resistance
  • Silicon Magnetic Steel E-Core
  • Higher Energy/Voltage Outputs
  • Quicker Starts
  • Improved Idle Quality
  • Resists Shock And Vibration
  • Resists Corrosion
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REVIEW SNAPSHOT®

by PowerReviews
AccelSuper Coil
 
4.1

(based on 17 reviews)

Ratings Distribution

  • 5 Stars

     

    (10)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

75%

of respondents would recommend this to a friend.

Pros

  • Easy to install (12)
  • Improves engine efficiency (10)
  • Increases power (10)
  • Durable (6)

Cons

No Cons

Best Uses

  • Everyday driving (10)
  • Replacement (9)
  • Performance driving (5)
  • Racing (3)
    • Car & Truck:
    • Truck enthusiast (5), Auto enthusiast (3)
    • Reviewer Profile:
    • Mechanic (6), Casual driver (5), Auto enthusiast (3), Competitive driver (3), Truck enthusiast (3)

Most Liked Positive Review

 

Noticed increase in performance

I was able to replace this in 15 minutes on my 4.0 Grand Cherokee. I did notice an increase in performance. I would have to measure fuel saving during this first week of install...Read complete review

I was able to replace this in 15 minutes on my 4.0 Grand Cherokee. I did notice an increase in performance. I would have to measure fuel saving during this first week of install but it would be logical to think there is gas saving when you get to burn fuel more efficiently.

VS

Most Liked Negative Review

 

Not worth the money !!!

I bought this as an upgrade to the factory coil, was not to impressed with the results. No preformance inprovements noticed . The new 14200ah harness has failed twice due to assembly from the...Read complete review

I bought this as an upgrade to the factory coil, was not to impressed with the results. No preformance inprovements noticed . The new 14200ah harness has failed twice due to assembly from the factory {china }. I'm not at all pleased with this set-up or parts. Dave H.

Reviewed by 17 customers

Displaying reviews 1-10

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(1 of 1 customers found this review helpful)

 
1.0

typical Advance Auto used parts

By 

from south Carolina

About Me Mechanic

Pros

  • I Don't Know

Cons

    Best Uses

      Comments about Accel Super Coil:

      The coil was ordered online and shipped. It arrived greasy, beat up, and previously installed. Took back to the local store for a replacement, they couldn't order one because everyone was out of stock. Call the customer service hotline, stayed on hold for an hour. What a nightmare.

       
      5.0

      Great coil!!

      By 

      from Florida

      About Me Auto Enthusiast, Competitive Driver, Truck Enthusiast

      Pros

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

      Cons

        Best Uses

        • Performance Driving
        • Racing
        • Replacement
        • Restoration

        Comments about Accel Super Coil:

        Great coil for my 5.9 magnum block noticed a big difference in performance!!

        (1 of 2 customers found this review helpful)

         
        4.0

        Took care of my problem

        By 

        from Attleboro, MA

        About Me Casual Driver

        Verified Buyer

        Pros

        • Easy To Install
        • Improves Engine Efficiency

        Cons

          Best Uses

          • Everyday Driving

          Comments about Accel Super Coil:

          My 97 Grand Cherokee 4.0L would not start first thing in the morning or stall randomly but not every day. Finally thew a code that said bad coil. Check around and bought the Accel and took care of the problem. Been a month and so far so good. This coil was twice the price of others but I am happy because I don't break down now.

          (1 of 2 customers found this review helpful)

           
          5.0

          exact fit

          By 

          from atlanta

          About Me Auto Enthusiast

          See all my reviews

          Verified Buyer
          3 or more reviews submitted

          Pros

            Cons

              Best Uses

              • Replacement

              Comments about Accel Super Coil:

              worked as expected

               
              4.0

              good product

              By 

              from mount joy, pennsylvania

              About Me Mechanic

              See all my reviews

              Ask me a question

              Verified Buyer
              3 or more reviews submitted

              Pros

              • Increases Power

              Cons

                Best Uses

                • Performance Driving
                • Replacement

                Comments about Accel Super Coil:

                product is easy to install mounts to original bracket with 2 screws, your going to need a impact driver to loosen the screws though.

                (0 of 1 customers found this review helpful)

                 
                1.0

                Not Exact fit!

                By 

                from Albany, Ny

                About Me Competitive Driver, Mechanic

                Pros

                  Cons

                  • Difficult To Install
                  • No Improvement In Performance

                  Best Uses

                    Comments about Accel Super Coil:

                    I bought this coil for a project truck. Upon trying to install it I realized that even though it says exact fit, it's not. so then it was either buy a new harness or the junk coil. BWD it is.

                    (0 of 2 customers found this review helpful)

                     
                    2.0

                    Product was not a direct fit

                    By 

                    from Teaneck, NJ

                    About Me Truck Enthusiast

                    Verified Buyer

                    Pros

                      Cons

                        Best Uses

                        • Everyday Driving

                        Comments about Accel Super Coil:

                        Look great but the connecter was not a direct fit as stated on web site. Exchanging at store was a breeze Very GOOD service.

                        (1 of 2 customers found this review helpful)

                         
                        5.0

                        Works better than stock!

                        By 

                        from St Peters, MO

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

                        Verified Buyer

                        Pros

                        • Easy To Install
                        • Improves Engine Efficiency
                        • Increases Power
                        • Quicker Startup

                        Cons

                          Best Uses

                            Comments about Accel Super Coil:

                            Provides quicker startups. Only time will tell if this was my problem

                             
                            5.0

                            Noticed increase in performance

                            By 

                            from San Juan, PR

                            About Me Casual Driver

                            Ask me a question

                            Verified Buyer

                            Pros

                            • Easy To Install
                            • Improves Engine Efficiency
                            • Increases Power

                            Cons

                              Best Uses

                              • Everyday Driving

                              Comments about Accel Super Coil:

                              I was able to replace this in 15 minutes on my 4.0 Grand Cherokee. I did notice an increase in performance. I would have to measure fuel saving during this first week of install but it would be logical to think there is gas saving when you get to burn fuel more efficiently.

                              (1 of 1 customers found this review helpful)

                               
                              5.0

                              I would buy this product again

                              By 

                              from La Crescent, MN

                              About Me Casual Driver, Mechanic

                              See all my reviews

                              Verified Buyer
                              3 or more reviews submitted

                              Pros

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

                              Cons

                                Best Uses

                                • Everyday Driving
                                • Replacement

                                Comments about Accel Super Coil:

                                My 1998 Durango runs like new with this coil

                                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.

                                6 Questions | 7 Answers
                                Displaying questions 1-6
                                • Q:

                                  Does this accel coil have a lifetime warranty?
                                  Asked on 11/24/2016 by Tony from Tennessee

                                  1 answer

                                  • CUSTOMER CARE

                                    A:

                                    Hi Tony, happy to assist you! This Accel Super Coil (Part No. 140021) comes with 90 days replacement warranty if defective.

                                    Answered on 11/25/2016 by Steve from AAP
                                • Q:

                                  How does this work with a coil pack? Does it replace it?
                                  Asked on 1/17/2016 by Mike from Forty Fort PA

                                  2 answers

                                  • CUSTOMER CARE

                                    A:

                                    Hi MIke, happy to help you! The Accel Super Coil (Part No. 140021) is engineered with optimized low resistance, high turns ratio windings around an M36 high silicone magnetic steel C-core for higher energy and voltage outputs. Results in quicker starts, improved idle quality, crisper throttle response and more high RPM power. Compatible with late model Dodge/Jeep J-TEC computer controlled ignition system and MOPAR Performance ignition computers. Direct bolt-in, plug-in replacement. Can also work with an ACCEL, Mallory, Crane, Holley or MSD capacitive discharge ignition systems. Special high temperature epoxy resists shock and vibration, while increasing thermal conductivity. Brass coil wire contact increases energy transfer efficiency and resists corrosion better than aluminum. High dielectric strength "ACCEL Yellow" over molded housing. Specifications: Primary Resistance: 1.0 Ohms, Secondary Resistance: 12.7 k Ohms, Turns Ratio: 76 : 1, Maximum Voltage: 42,000 volts, Peak Increase in Energy vs. OE: 34%, Peak Increase in Current vs. OE: 17%, Peak Increase in Arc Duration vs. OE: 23%, Peak Increase in Dwell vs. OE: 36%.

                                    Answered on 1/18/2016 by Steve from AAP
                                  • CUSTOMER CARE

                                    A:

                                    Hi MIke, happy to help you! The Accel Super Coil (Part No. 140021) is engineered with optimized low resistance, high turns ratio windings around an M36 high silicone magnetic steel C-core for higher energy and voltage outputs. Results in quicker starts, improved idle quality, crisper throttle response and more high RPM power. Compatible with late model Dodge/Jeep J-TEC computer controlled ignition system and MOPAR Performance ignition computers. Direct bolt-in, plug-in replacement. Can also work with an ACCEL, Mallory, Crane, Holley or MSD capacitive discharge ignition systems. Special high temperature epoxy resists shock and vibration, while increasing thermal conductivity. Brass coil wire contact increases energy transfer efficiency and resists corrosion better than aluminum. High dielectric strength "ACCEL Yellow" over molded housing. Specifications: Primary Resistance: 1.0 Ohms, Secondary Resistance: 12.7 k Ohms, Turns Ratio: 76 : 1, Maximum Voltage: 42,000 volts, Peak Increase in Energy vs. OE: 34%, Peak Increase in Current vs. OE: 17%, Peak Increase in Arc Duration vs. OE: 23%, Peak Increase in Dwell vs. OE: 36%.

                                    Answered on 1/18/2016 by Steve from AAP
                                • Q:

                                  When upgrading from factory coil to the super cool, should I keep the spark plug gap set at factory setting?
                                  Asked on 7/5/2015 by 1999Jeep 4.0 from Blue Ridge Mountains, NC

                                  1 answer

                                  • CUSTOMER CARE

                                    A:

                                    I'm glad to answer you! The gap must be adjusted for the vehicle that the spark plug is intended for. Those with modified engines must remember that a modified engine with higher compression or forced induction will typically require a smaller gap settings.

                                    Answered on 7/20/2015 by Solomon
                                • Q:

                                  Can This part be connected with factory connector Or can you
                                  retrofit wiring to accel connector?
                                  Asked on 3/19/2013 by Buds from Char. Va

                                  1 answer

                                  • CUSTOMER CARE

                                    A:

                                    For assisting you further on this Accel Super Coil -part# 140021, 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 and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                    Answered on 3/20/2013 by Vincent from AAP
                                • Q:

                                  why does it say exact fit when you need a patch cord that cost $30 to use on my 01 ram!? and where does it say that you need one on the web site? didn't learn this till I got it in the mail...now I have to wait another 3-4 days to get that...really!? And to charge $30 for a $2 part to make an exact fit work!?
                                  Asked on 9/1/2012 by bill from erie,pa

                                  1 answer

                                  • CUSTOMER CARE

                                    A:

                                    Sorry for the inconvenience caused. I appreciate you taking the time to bring our attention to this matter and I am forwarding your review to the concerned department. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

                                    Answered on 9/3/2012 by Rick from AAP
                                • Q:

                                  If i installed this product, would i also need to upgrade my wires to get the full efficiency out of the coil?
                                  Asked on 1/10/2011 by Groovy Lou from Fay,N.C.

                                  1 answer

                                  • CUSTOMER CARE

                                    A:

                                    It would be recommended.

                                    Answered on 1/11/2011 by Anonymous
                                Displaying questions 1-6

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