Top 10 Best Replacement Spark Plugs Based On Scores

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You can trust our selection for Replacement Spark Plugs Reviews. Because We have worked hard studying and analyzing 55803 reviews for Replacement Spark Plugs and rating them. It was a difficult job to list only ten products for Replacement Spark Plugs where thousands of them available online. I hope it will help you to take final decision for Best Replacement Spark Plugs.

Best Replacement Spark Plugs
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NoProductScoreAction
1Champion Champion Iridium 9407 Spark Plug (Carton of 1)9.8Check it on Amazon
2NGK Genuine OEM Replacement Spark Plug # CR7HSA9.6Check it on Amazon
3Autolite APP5325-4PK Double Platinum Spark Plug9.6Check it on Amazon
4NGK 7131 BPR6ES Standard Spark Plug9.4Check it on Amazon
5Champion RJ19LM (868) Copper Plus Small Engine Replacement Spark Plug (4 pack)9.2Check it on Amazon
6Kohler 14 132 11-S Spark Plug9Check it on Amazon
7Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L8.8Check it on Amazon
8NGK 7090 G-Power Platinum Spark Plugs BKR5EGP - 6 PCSNEW8.8Check it on Amazon
9NGK LB05EP Resistor Spark Plug Cap8.4Check it on Amazon
10Stens 131-039 PK2 Torch Spark Plugs F6RTC8.2Check it on Amazon

Comparison Chart for Best Replacement Spark Plugs

In this article we've included our suggestions for the Replacement Spark Plugs after analyzing 55803 reviews.

Table Of Content:

1. Champion Champion Iridium 9407 Spark Plug (Carton of 1)

  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads

2. NGK Genuine OEM Replacement Spark Plug # CR7HSA

  • Includes (1) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.

3. Autolite APP5325-4PK Double Platinum Spark Plug

  • Full platinum tips ensure virtually no gap erosion
  • Works to optimize engine performance for a longer life and improved fuel economy
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
  • High nickel alloy side electrode maintains precise gap
  • Full copper core electrode provides better performance in all conditions
  • Fit type: Vehicle Specific

4. NGK 7131 BPR6ES Standard Spark Plug

  • Solid copper core for greater spark, superior heat dissipation and conductivity
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
  • Dual ground electrodes for more consistent spark
  • Triple gasket seal eliminates combustion gas leakage and the Zinc dipped shell prevents corrosion
  • Fit type: Vehicle Specific

5. Champion RJ19LM (868) Copper Plus Small Engine Replacement Spark Plug (4 pack)

  • Genuine, OEM Champion Replacement Part
  • Champion replacement spark plug, part number 868

6. Kohler 14 132 11-S Spark Plug

  • Genuine OEM Kohler Part
  • Fits Various Kohler Engines Including: XT650-2013, XT650-2017, XT650-3014, XT650-3018, XT675-0022, XT675-0041, XT675-3016, XT675-3031, XT675-3038, XT675-3045, XT675-3052, XT675-3057, XT800-2049, XT800-3046, XT800-3069, XT800-3079, XT650-2036, XT650-3026, XT650-3028, XT650-3030, XT650-3034, XT775-3019, XT775-3023, XT775-3026, XT775-3030, XT775-3033, XT775-3046, XT775-3055.

7. Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L

  • Every single spark plug is inspected throughout the entire shipping process for worry free, out-of-the-box performance.
  • Designed with high quality materials to meet or exceed OEM Specifications.
  • High melting point provides excellent resistance to erosion
  • Provide service intervals from 60,000 to 100,000 miles

8. NGK 7090 G-Power Platinum Spark Plugs BKR5EGP – 6 PCSNEW

  • G-Power platinum alloy spark plugs offer superior performance with improved fuel efficiency, lower emissions, and quicker starts.
  • 6mm laser welded fine platinum tip reduces required voltage ensuring high durability and a consistently stable spark.
  • Special configurations are used for the insulator noses to improve throttle response and prevent fouling with corrugated ribs on insulator to prevent flashover.
  • Platinum alloy ground and center electrode for greater spark while ensuring precise gap during the life of the plug.

9. NGK LB05EP Resistor Spark Plug Cap

  • NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM rubber
  • Ceramic resistors are used to ensure optimum performance and reliability
  • Resistor covers will withstand extreme heat, vibration, prevent flashover and are water proof
  • 90 degree elbow 5K ohm resistance nut terminal with special waterproof cover
  • 14mm thread

10. Stens 131-039 PK2 Torch Spark Plugs F6RTC

  • Includes (2) 131-039 Spark Plugs.
  • New, Bulk Packed.
  • Genuine Stens Replacement Part.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.

Replacement Spark Plugs Buying Guide


Does the thought of finding a great Replacement Spark Plugs stress you out? Has your mind been juggling between choices when it comes to buying Replacement Spark Plugs 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 Replacement Spark Plugs for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Replacement Spark Plugs, 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 Replacement Spark Plugs before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Replacement Spark Plugs 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 Replacement Spark Plugs 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 Replacement Spark Plugs on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Replacement Spark Plugs 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 Replacement Spark Plugs 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.

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