Automotive Parts and Accessories

Top 10 Best Spark Plugs For Harley Davidson Reviews For You

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Looking for the best Spark Plugs For Harley Davidson to buy? We've got you covered! We've researched and compiled a list of the 10 best Best Spark Plugs For Harley Davidson on the market, perfect for any occasion.

Each of these products is high-quality and built to last, so you can be sure you're getting your money's worth. Whether you're looking for the perfect gift or something for yourself, there's something on this list for everyone.

Take a look at the table below for a quick overview of the top 10 Spark Plugs For Harley Davidson. You can read a complete review for each one before making your final decision.

Best Spark Plugs For Harley Davidson
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NoProductScoreAction
1E3 Spark Plugs E3.36 Powersports Spark Plug9.8Buy on Amazon
2NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)9.2Buy on Amazon
3Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R129.2Buy on Amazon
4Harley Electra Glide Classic Performance Spark Plugs Pair repl. OEM# 6R129Buy on Amazon
5Aokus 10.4mm 10mm Spark Plug Wire Compatible with Harley Davidson Big Twin 99-19 FXD Dyna Softail (Red)9Buy on Amazon
6Harley Sportster Hugger XLH 883 Performance Spark Plugs Pair repl. OEM# 6R128.8Buy on Amazon
7NGK 6046 DCPR7EIX Spark Plug (Pack of 2)8.6Buy on Amazon
8NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS NEW8.6Buy on Amazon
9TONRYCUE Spark Plug Wires for Harley Davidson Big Twin 1999-2019 FXD Dyna FXDWG Softail8.2Buy on Amazon
10Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R128.2Buy on Amazon

Comparison Chart for Best Spark Plugs For Harley Davidson

We found 54083 reviews when researching. We have considered users feedback on the Spark Plugs For Harley Davidson and our suggestions includes only the finest of them in this article.

Table Of Content:

1. E3 Spark Plugs E3.36 Powersports Spark Plug

  • Fit Type: Universal Fit
  • The Patented Diamondfire Ground Electrode Is Secured To The Shell With Two Legs To Help Facilitate Heat Transfer, And To Withstand The Intense Vibration Of Powersport Engine Applications.
  • Improved Starts: Patented Edge-To-Edge Design Concentrates Spark Energy, Which Results In Quick And Easy Starts In Any Conditions.
  • For High-Performance Engines: Motorcycle Spark Plug For A Variety Of Powersport Applications, Specifically Designed To Increase Power, Reduce Fuel Consumption, And Improve Hydrocarbon Emissions.

2. NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

  • Come pre-gapped
  • The iridium electrode is 25% smaller than a platinum electrode, and it’s just 1/4 the size of a conventional nickel electrode.
  • Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
  • The ultimate in spark plug technology and performance from the industry leader
  • New metal shell plating has enhanced anti corrosion qualities

3. Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R12

  • The ultimate in spark plug technology and performance
  • Iridium electrode is smaller than a standard electrode; requires less voltage
  • Hotter spark and extended spark plug service life compared to conventional plugs
  • Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
  • Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX

4. Harley Electra Glide Classic Performance Spark Plugs Pair repl. OEM# 6R12

  • Conventional style spark plugs, available in OEM heat ranges
  • Plugs have a unique look with a black ceramic body
  • Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation.
  • Sold in Pairs
  • Harley Electra Glide Classic

5. Aokus 10.4mm 10mm Spark Plug Wire Compatible with Harley Davidson Big Twin 99-19 FXD Dyna Softail (Red)

  • Replace for Manufacturer Part Number: DYNA-409RD
  • Fits for virtually like factory location on cylinder Harley-Davidson or Big-Twin that has the coil mounted on the seat post.
  • Great for replacement wire, relocation kits, new look, bobbers, scramblers, cafe racer etc
  • Perfect Fitment, directly replacement. Made of high quality material, reliable quality and durable.
  • Package includes: 2 * Red Spark Plug Wires (one 8″ and one 20″ long wires pre-crimped)

6. Harley Sportster Hugger XLH 883 Performance Spark Plugs Pair repl. OEM# 6R12

  • Conventional style spark plugs, available in OEM heat ranges
  • Plugs have a unique look with a black ceramic body
  • Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation.
  • Sold in Pairs
  • Harley Sportster Hugger XLH 883 1986-2018

7. NGK 6046 DCPR7EIX Spark Plug (Pack of 2)

  • Quality Assured

8. NGK # 6046 Iridium Spark Plugs — DCPR7EIX — for Harley-Davidson Twin Cam and XL — 4 PCS NEW

  • NGK 6046 now s/s to NGK 97637
  • NGK 97637 DCPR7EIX is the Newest Number
  • NGK is the world’s largest supplier of OEM spark plugs
  • Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
  • This Listing is for 4 Spark Plugs

9. TONRYCUE Spark Plug Wires for Harley Davidson Big Twin 1999-2019 FXD Dyna FXDWG Softail

  • Fitment: for Harley Davidson Big Twin 1999-2019 FXD Dyna Softail
  • Material: Made of high quality rubber material, Constructed with silicone throught the jacket, insulation and core to deliver high-temperature resistance.
  • Rated Temperature: Rated at SAE Class E J2031 with a continuous operating temperature of 450° F
  • Package Included: 1 * spark plug wires

10. Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R12

  • The ultimate in spark plug technology and performance
  • Iridium electrode is smaller than a standard electrode; requires less voltage
  • Hotter spark and extended spark plug service life compared to conventional plugs
  • Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
  • Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX

Some Keys to Consider for Buying the Best Spark Plugs For Harley Davidson



Picking the perfect product can be stressful. Between choosing the right model and considering all the important features, it can be hard to know where to start. But don't worry, by focusing on these factors you can select a quality product from hundreds of options. See below:

Understand Your Needs


The first thing to learn is what your needs or requirements are. If you are not well aware of your needs, you run the risk of investing in the wrong products at the wrong time. That’s why we will suggest you to think deeply about your requirements. To make it easier make a short list about your needs. This easy decision will help you to improve your estimation of costs. Only after that you can be assure about your priorities.

Budget vs. Cost:


Before you decide to buy anything, one of the most important issue to think about is budget. Any amount of price can be asked from you for the product you decided to buy. Besides their brand value, pricing also depends on different variables like raw materials, manufacturing costs, logistics and other operational costs as well. You should be mentally prepared enough to spend that higher amount of bucks if you need a higher quality product. This is the reason, budget matters so much.

Product Brand:


Because of our emotional attachments, we are frequently biased toward certain brands. This method yields positive effects in some cases and negative results in others. However, there is no way to argue against the idea of relying on well-known brands. Because having enough money in your wallet makes making decisions easy half of the time. But please note that not all brand are necessary for adequate. That’s the reason you have to be careful about choosing the right product from right brand.

Quality and Longevity:


Color, Style, Performance, Materials, and, most importantly, Durability are all factors that contribute to quality. Don’t make a mistake like not checking those issues which are related to ensure quality. Don’t you think that you are paying for it? Does this spark plugs for n54 worthy or not against your investment? Time will reply this question through the experience of quality.

FAQs and Customer:


Checking FAQ answers and customer reviews can be time savior for you. There comes some questions in our mind which are similar with the people asked before frequently, that is called FAQ or Frequently Asked Questions. Most of the time users share their stories based on their experience about a product, and that is called customer reviews. So, you should read these FAQ and customer reviews before buying it.

Warranty and Return Policy:


A lot of manufacturers are making products. Higher quality are being maintained by many of them. After then they are letting us know those products through making creative advertisements. All is okay. But then arrives the matter of Warranty and After Sales Service. You may take this thing lightly, but it can create a huge difference.

Final Thought


In the end, this is to consider that the price you are paying is rational enough with the value the Spark Plugs For Harley Davidson is providing. Does it make you happy or not? Does your desires be full filled with that? That’s the thing that should get the most importance we guess.

Hope you have enjoyed this whole article which was actually a buying guide that will lead you to buy the Best Spark Plugs For Harley Davidson. Nobody can be more happy than us if you find this a little of helpful to you. At the end of the day, your satisfaction matters most to us.

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