Top 10 Best Spark Plugs For Harley Davidson With Buying Guide

Last Update:

You can trust our selection for Spark Plugs For Harley Davidson Reviews. Because We have worked hard studying and analyzing 31187 reviews for Spark Plugs For Harley Davidson and rating them. It was a difficult job to list only ten products for Spark Plugs For Harley Davidson where thousands of them available online. I hope it will help you to take final decision for Best Spark Plugs For Harley Davidson.

Comparison Chart for Best Spark Plugs For Harley Davidson

In this article we've included our suggestions for the Spark Plugs For Harley Davidson after analyzing 31187 reviews.

NoProductScoreAction
1Aokus 10.4mm 10mm Spark Plug Wire Compatible with Harley Davidson Big Twin 99-19 FXD Dyna Softail (Red)9.8Buy Now
2NGK 6046 DCPR7EIX Spark Plug (Pack of 2)9.2Buy Now
3NGK (3932) DCPR7E Spark Plug - Pack of 49Buy Now
4NGK Iridium Sparkplug BPR5EIX-11 - Fits: Harley-Davidson Softail Heritage Classic FLSTC 1986-1998 (4 Pack)8.8Buy Now
5Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R128.8Buy Now
6E3 Spark Plugs E3.36 Powersports Spark Plug8.8Buy Now
7Tavaski 10.4mm 10mm Spark Plug Wire Kit Fit for Harley Davidson Big Twin 1999-2019 FXD Dyna Softail8.6Buy Now
8Chrome Finned Slotted Spark Plug Head Bolt Covers for Harley Touring Electra Glides Road Glides Road Kings 1999-20168.4Buy Now
9NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)8.2Buy Now
10Harley Electra Glide Classic Performance Spark Plugs Pair repl. OEM# 6R128.2Buy Now
Diydaniberger is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.

Table Of Content:

1. 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)

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

  • Quality Assured

3. NGK (3932) DCPR7E Spark Plug – Pack of 4

  • Sold in packs of 4

4. NGK Iridium Sparkplug BPR5EIX-11 – Fits: Harley-Davidson Softail Heritage Classic FLSTC 1986-1998 (4 Pack)

  • Sold in packs of 4

5. 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

6. E3 Spark Plugs E3.36 Powersports Spark Plug

  • 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.
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate optimal heat transfer and 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.
  • WHAT’S INCLUDED: One (1) E3.
  • REPLACES: Champion RA6HC and RA8HC; NGK DPR7EA9, DPR8EA9, DR7EA, DR8EIX, and DR8ES.
  • 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.

7. Tavaski 10.4mm 10mm Spark Plug Wire Kit Fit for Harley Davidson Big Twin 1999-2019 FXD Dyna Softail

  • Fitment- The spark plug wire kit fit for Harley-Davidson Dyna and fit for Harley-Davidson Softail.
  • Perfect Fit – The spark plug wire kit is great for replacement wire, relocation kits, new look, bobbers, scramblers, cafe racer etc.
  • Function – Timely replacement of the damaged spark plug wire can prolong the service life of the engine and reduce fuel waste.
  • High Quality Material – The spark plug wire kit made of high-quality materials, wear-resistant, high reliability, long use time, and stable performance.
  • You will Get: 2 * Red Spark Plug Wires (one 8″ and one 20″ long wires pre-crimped).

8. Chrome Finned Slotted Spark Plug Head Bolt Covers for Harley Touring Electra Glides Road Glides Road Kings 1999-2016

  • Material: Made of High Quality Aluminum Alloy
  • Fitment: for Harley Electra Glides,Road Glides,Road Kings 1999-2016, Street Glides & Trikes 2009-2016.
  • Size: As shown in the picture. Please notice the size carefully before order
  • Color: Chrome. Condition: Aftermarket 100% Brand New
  • Package Include: 2 x Spark Plug Covers Kit(Light&Right)

9. 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

10. 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

Spark Plugs For Harley Davidson Buying Guide


Does the thought of finding a great Spark Plugs For Harley Davidson stress you out? Has your mind been juggling between choices when it comes to buying Spark Plugs For Harley Davidson in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Spark Plugs For Harley Davidson for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Spark Plugs For Harley Davidson Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Spark Plugs For Harley Davidson in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Spark Plugs For Harley Davidson currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Spark Plugs For Harley Davidson brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Spark Plugs For Harley Davidson based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Spark Plugs For Harley Davidson before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Spark Plugs For Harley Davidson they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Spark Plugs For Harley Davidson, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Spark Plugs For Harley Davidson before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Spark Plugs For Harley Davidson will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Spark Plugs For Harley Davidson if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Spark Plugs For Harley Davidson on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Spark Plugs For Harley Davidson on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Spark Plugs For Harley Davidson featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

Leave a Comment