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The 8 Best powersports spark plug caps of 2025

Are you trying to find powersports spark plug caps among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling powersports spark plug caps on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 47 powersports spark plug caps tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best powersports spark plug caps you can buy today

No. 1
E-YooHoo LB05EP Resistor Spark Plug Cap fits small engine (Pack of 2)
  • Pack of 2
  • 14mm thread
  • LB05EP Resistor Spark Plug Cap fits motorcycle, marine, snowmobile and small engine
No. 2
NGK 8381 LZFH Spark Plug Cap/Single Piece
  • NGK 8381 Spark Plug Boot
  • Genuine NGK Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
No. 3
TB05EMA Snowmobile ATV and Motorcycle Aftermarket Spark Plug Ignition Cap (PAIR)
  • Exact Replacement Spark Plug Caps
  • Used on ATV's, Motorcycles, Snowmobiles & More
  • Replaces NGK Part # TB05EMA
  • Sold in a PAIR
No. 4
(Pack of 2) LB05F Resistor Spark Plug Cap fits small engine
  • Part number : LB05F
  • 90 degree elbow 5K ohm resistance for terminal stud
  • 14mm thread
  • Resistor covers are for motorcycle, marine, snowmobile and small engine applications only.
No. 5
Polaris Snowmobile Sparkplug Cap, Genuine OEM Part 4013156, Qty 1
  • Sparkplug Cap, Part 4013156, and all other Polaris Engineered service parts, deliver unmatched performance and fit for your vehicle. Each one is extensively tested in the field and meticulously crafted to match your machine.
  • All service parts are engineered specifically for your machine. Which means everything is designed, tested and perfected to maximize the life of your ride.
  • Getting Polaris Engineered parts is a decision that pays off in the long run, because it ensures there is a long run.
No. 6
LB05EP ATV Motorcycle Snowmobile Replacement Spark Plug Ignition Caps (PAIR)
  • Exact Replacement Spark Plug Cap
  • Used on ATV's, Motorcycles, Snowmobiles & More
  • Replaces NGK Part # LB05EP
  • Sold as a PAIR
No. 7
Spark Plug Cap Replacement for Honda TRX450R 2004-2014 CRF450R 2002-2008 CRF450X 2005-2016
  • Spark Plug Cap Replacement for Honda TRX450R 2004-2014 CRF450R 2002-2008 CRF450X 2005-2016
  • Replacement for part number: 30700-MEB-671
  • Attaches to your coil plug wire ("screws" into the plug wire)
  • Sold as shown in the photo ( 1 x Spark Plug Cap )
  • Check the product pictures and information before purchase to ensure accuracy
No. 8
Stens Spark Plug Cap 135-226 Compatible with Honda GX120, GX160, GX200, GX240, GX270, GX340 and GX390 30700-ZE1-000, 30700-ZE1-013, 30700-ZE1-015
  • Replaces Honda: 30700-Ze1-013,30700-Ze1-015
  • Fits Models Honda Gx120,Gx160,Gx200,Gx240,Gx270,Gx340 And Gx390
  • Material: Plastic And Rubber
  • Part Number 30700-Ze1-013
  • Item Package Dimension: 4.68L x 3.26W x 0.78H inches
  • Item Package Weight - 0.07 Pounds
  • Item Package Quantity - 1
  • Product Type - Outdoor Living
No. 9
RMSTATOR 2-Pack Spark Plug Caps Replacement for Ski-Doo GSX/GTX 600 HO | Formula 380/500 / 583/700 Deluxe | MX Z/Legend 380 440 500 550 | Grand Touring 500 700 800 1998-2010 | 278000237
  • Brand new spark plug caps
  • Direct replacement to your original unit.
  • The Quality exceeds the OEM equipment
  • 2 Spark plug caps included
  • All shipped products are tested
No. 10
NGK TB05EMA 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 rubber sheathed
  • 14mm thread
No. 11
NGK 8030 LB05FP Spark Plug Cap/Single Piece
  • NGK 8030 Spark Plug Boot
  • Genuine NGK Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
No. 12
GOOFIT 90 Degree Metal Spark Plug Cap with Shield Replacement for 10mm Thread Spark Plugs GY6 50cc-150cc ATV Go Kart Dirt Bike Pit Bike Off Road 4 Wheeler and Scooters
  • Installation diameter:19mm/0.75". 90 degree ignition coil elbow with shield. screws on to your existing coil wire.
  • Replacement for 10mm thread spark plugs gy6 50cc-150cc atv go kart dirt bike pit bike off road 4 wheeler and scooters.
  • Manufactured from high quality metal materials with excellent resistance to high temperatures and corrosion, it is able to work stably for a long time under extreme conditions. each part is machined to ensure dimensional and structural accuracy, providing superior mechanical strength and stability.
  • The unique 90-degree bend design allows the spark plug cap to better fit into narrow engine compartment layouts, minimizing interference with other components and facilitating installation and maintenance.
  • Package Included:Ignition Coil Elbow x 1 pc,GOOFIT Keychain x 1pc.
No. 13
SD05F Replacement Spark Plug Cap for Many Snowmobiles, ATV's, and Motorcycles (PAIR)
  • Exact Replacement Spark Plug Cap
  • Used on ATV's, Motorcycles, Snowmobiles & More
  • Replaces NGK Part # SD05F
  • Sold as a PAIR
No. 14
Polaris Sportsman 600 700 (2002-04) Ignition Coil Spark Plug Cap
  • Exact Replacement Spark plug cap and wire
  • Fits the Polaris Sportsman models listed
  • Includes the spark plug wire and cap
  • Replaces Polaris Part # 4010477, 4010124-66, and 4010526
  • Please Read Full Product Description Below To Check Fitment.
No. 15
LED Flashing Light SPARK PLUG CAP Flash Ignition Coil Head for DIRT PIT BIKE MOTORCYCLE ATV STREET BIKE SCOOTER GO KART 50cc 110cc 125cc 150cc 200cc 250cc, Waterproof High-Tension 90 degree (GREEN)
  • Vivid LED Illumination: Experience vibrant flashing LED lights that enhance visibility and add a touch of style to your ride.
  • Universal Compatibility: Fits most dirt pit bikes, motorcycles, ATVs, street bikes, scooters, and go-karts with engine displacements ranging from 50cc to 250cc.
  • Waterproof Design: Constructed with waterproof materials, ensuring reliable performance even in wet conditions.
  • High-Tension 90-Degree Angle: The spark plug cap features a 90-degree angle for easy installation and optimal spark delivery.
  • Durable Construction: Built to withstand the rigors of off-road and on-road adventures, ensuring long-lasting performance.
No. 16
Tuckaner 1 Pcs Black Spark Plug Cap Boot Waterproof Non Resistor Aftermarket Replacement Parts Fit for CG125 GS125 GN125 WY125 CD110 Etc Motorcycle Scooter Dirt Bike ATV
  • It is Aftermarket Replacement Parts Fit for CG125 GS125 GN125 WY125 CD110 Etc Motorcycle Scooter Dirt Bike
  • Made of high quality silicone and rubber material. Durable, can use for a long time.
  • Please confirm the size and compatibility of the product before purchasing.
  • Elbow Type: 90°.
  • Package includes:1xSpark Plug Cap Boot
No. 17
Amavoler Spark Plug Cap Boot Waterproof Non Resistor Aftermarket Replacement Parts Fit for CG125 GS125 GN125 WY125 CD110 Etc Motorcycle Scooter Dirt Bike ATV. Black.
  • It is Aftermarket Replacement Parts Fit for CG125 GS125 GN125 WY125 CD110 Etc Motorcycle Scooter Dirt Bike
  • Made of high quality silicone and rubber material. Durable, can use for a long time.
  • Please confirm the size and compatibility of the product before purchasing.
  • Elbow Type: 90°.
  • Package includes:1xSpark Plug Cap Boot
No. 18
XLJOY Racing Silicon Spark Plug Cap For ATV Quad XR50 CRF50 Dirt Pit Bike Motocross
  • Package Included: 1pc Ignition Coil Spark Plug Cap
  • Fitment: Racing Silicon Spark Plug Cap For ATV Quad XR50 CRF50 Dirt Pit Bike Motocross
No. 19
Spark Plug Cap & Wire 15in/24.4in For Can Am Commander Maverick Outlander Renegade MAX 500 570 650 800 800R 1000 1000R TRAXTER 500 650
  • Compatible Models:For Can Am Commander 800 2011 2014-2015 2017▶ Commander 800R 2012-2013 2016-17▶ Commander MAX 800R 2016-2017▶ Commander 1000 2011-2017▶ Commander Max 1000 2014-2017▶ Commander Max 1000R 2017▶ Maverick 1000 2014-2015▶ Maverick 1000R 2013 2016-2018▶ Maverick MAX 1000 2014-2015▶ Maverick MAX 1000R 2016-2018
  • Compatible Models:For Can Am Outlander 500/MAX 500 2007-2015▶ Outlander 570/MAX 570 (ALL MODEL) 2016-2023▶ Outlander 650/MAX 650 (ALL MODEL) 2006-2023▶ Outlander 800 2006-2008▶ Outlander 800R/MAX 800R 2009-2015▶ Outlander 850/MAX 850 2016-2023▶ Outlander 1000 (ALL MODEL) 2012-2023▶ Outlander 1000R (ALL MODEL) 2016-2023▶ Outlander MAX 1000 (ALL MODEL) 2013-2023▶ Outlander MAX 1000R (ALL MODEL) 2018-2023
  • Compatible Models:For Can Am Renegade 500 2008-2015▶ Renegade 570/850 2016-2022▶ Renegade T 650 2018-2023▶ Renegade 800 2007-2008▶ Renegade 800R 2009-2015▶ Renegade 1000 (ALL MODEL) 2013-2015 2018-2023▶ Renegade 1000R (ALL MODEL) 2012 2016-2023▶ For Bombardier▶ Bombardier TRAXTER 500 1999-2005▶ Bombardier TRAXTER CVT 650 2005
  • Manufacturer Part: 420265020
  • Package: 1x 15in Spark Plug Wire + Cap,1x 24.4in Spark Plug Wire + Cap
  • Pre-Buy Tips and After-Sale:Please refer carefully to our applicable model numbers, pictures and OEM numbers to determine if applicable before purchasing.If you have any questions about our products during the use or purchase process, you can contact us by Email at any time. Every product purchased from us comes with 24-hour friendly customer service and 1 year product service
No. 20
2 x Vito's ignition coil stock style rubber plug caps fits Yamaha BANSHEE 1987-2006
  • Oe/Oem Part Number: 8DG-82370-00-00,8DG-82370-00,8DG-82370, Compatible Make: Compatible with Yamaha
  • Manufacturer Part Number: BANCOILCAP2K, Part Brand: Compatible with Yamaha
  • Manufacturer Warranty: 1 Year, Warranty: 30 Days
  • Brand: Vito's Performance, Color: Black

How to choose a good powersports spark plug caps

Does the idea of finding a fantastic powersports spark plug caps make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in powersports spark plug caps. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top powersports spark plug caps products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top powersports spark plug caps on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top powersports spark plug caps brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top powersports spark plug caps based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the powersports spark plug caps were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good powersports spark plug caps, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your powersports spark plug caps.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting powersports spark plug caps for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our powersports spark plug caps. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what powersports spark plug caps should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on powersports spark plug caps.