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The 8 Best lawn mower spark plugs of 2025

Are you trying to find lawn mower spark plugs 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 lawn mower spark plugs 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 25 hours of research and did 27 lawn mower spark plugs 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 lawn mower spark plugs you can buy today

No. 1
Champion RJ19HX Lawn & Garden Equipment Engine Spark Plug Genuine Original Equipment Manufacturer (OEM) part
  • This part is compatible with models including; 125K02-0273-E1,125K02-0500-E1,125K07-0263-E1,126T02-1045-B1,123K02-0481-E1,123K02-0592-E1,124T02-0736-E1,126T02-1024-B1,125K02-0578-E1,124T05-3848-B2,124L05-0975-F1,125K02-0690-E1,124T02-3853-B2,124T02-3847-B2,123K02-0609-E1,126K02-0676-B1,125K02-0253-E1,125K02-0512-E1,126T02-0761-E1,125K02-0370-E1,125K02-0477-E1,124T05-0904-B1,122K02-0169-E1,125K07-0274-E1,125K02-0542-E1,125K02-0303-E3,125K02-0137-E1,125K02-0336-E1,125K05-0345-E1,126T05-1071-E1
  • Spark plug RJ19HX produces the spark that ignites the fuel in the engine
  • Genuine Original Equipment Manufacturer (OEM) part.
  • This spark plug (part number RJ19HX) is for lawn and garden equipment engines
No. 2
Champion Spark Plug for Craftsman (2 Pack) # 71G RC12YC-2pk
  • Includes (2) RC12YC Spark Plugs.
  • New, Bulk Packed.
  • Genuine Champion Spark Plugs.
  • Consult owners manual for proper part number identification and proper installation.
No. 3
Air Cleaner Replacement Foam Filter 799579 for Briggs Stratton Engine Air Filters Spark Plug compatible with Briggs and Stratton Lawn Mower
  • Replacement foam air cleaner for BS.
  • Replacement spark plug for BS Engine.
  • Quality replacement spare part from strictly testing and inspection to meet OEM standards performance.
  • Package includes 1 piece foam air filter, 1 pieces spark plug compatible with BS engine.
  • Foam Air Cleaner (Length: 4 1/4”, Width: 3 1/4”, Height: 7/8”).
No. 4
Champion RJ19LM Engine Spark Plug
  • Champion RJ19LM Engine Spark Plug
  • Champion
  • Spark Plugs
  • Champion offer the widest range of spark plugs for lawnmowers, jet-skis or chainsaws.
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..Champion spark plugs are tested, proven and guaranteed to deliver OE performance to the aftermarket.Champion offer the widest range of spark plugs for lawnmowers, jet-skis or chainsaws..Champion Spark plug Number RJ19LM equivalent to NGK BR2LM
SaleNo. 5
Briggs and Stratton 796112 Pack of 12 Spark Plugs (RJ19LM)
  • Pack of 12
  • Genuine OEM Briggs and Stratton parts
  • Please note: Consult owner's manual for proper part number identification and proper installation
No. 6
Hipa 14 132 11-S Spark Plug Compatible with Kohler XT650 XT675 XT775 XT800 CH245 CH255 KS530 KS540 KS590 RH255 RH265 XTX650 XTX675 XTX775 Lawn Mower Tractor Pack-of-2
  • Threaddiameter: 12mm, Threadreach: 19mm, Hexsize: 16mm; Compatible With DCPR6E ;Save Yourself the hassle of returns and exchanges by double-checking your engine's model number and part number before ordering any parts.
  • Compatible With Kohler CH245, CH255, KS530, KS540, KS590, RH255, RH265, XT650, XT675, XT775, XT800, XTX650, XTX675, XTX775
  • Compatible With Toro 20370, 20371, 20377, 20378
  • Package Include: 2pcs Spark Plug
No. 7
E3 Spark Plugs E3.10 Lawn and Garden Spark Plug, Pack of 1
  • FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 2- and 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
  • PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
  • INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
  • WHAT'S INCLUDED: One (1) E3.10 spark plug with a limited lifetime warranty. Features 14mm thread diameter; 0.375-inch thread reach plug with gasket seat; 13/16-inch hex size
  • REPLACES: Champion J17LM, J19LM, J8C, RJ17LM, RJ19LM, RJ8C, and 5861; NGK B2LM, B4LM, B6S, BR2LM, and BR4LM. Often used in lawnmowers
SaleNo. 8
Honda 98079-56846 (BPR6ES) Small Engine Spark Plug for GCV160, GCV190
  • You can depend on Honda for quality and reliability
  • Honda lawn mower spark plug
  • Honda small engine spark plug
  • Honda tiller spark plug
  • Honda is one of the most recognized and valued brands in America
No. 9
Hippotech 10 PCS L7T Spark Plug for 2 Stroke 33cc 43cc 47cc 49cc Pocket Bike for Mini Chopper for Partner 350 351 SAWS Chainsaw Trimmer Brushcutter Strimmer Lawn Mower
  • Fits 2 Stroke 33cc 43cc 47cc 49cc Pocket Bike for Mini Chopper and for Partner 350 351 SAWS
  • Fits Chainsaw Trimmer Brushcutter Strimmer Lawn Mower
  • High quality aftermarket product ,match original parts
No. 10
Briggs & Stratton 796112S Spark Plug Replaces 4220/8025925/796112
  • Briggs & Stratton 796112
  • Genuine Briggs & Stratton Spark Plug
  • Spark Plug Used On Most 093000 Briggs & Stratton Engines
  • Replaces Old Briggs # 4220, 8025925, 796112

How to choose a good lawn mower spark plugs

Does the idea of finding a fantastic lawn mower spark plugs 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 lawn mower spark plugs. 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 lawn mower spark plugs 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 lawn mower spark plugs 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 lawn mower spark plugs 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 lawn mower spark plugs 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 lawn mower spark plugs 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 lawn mower spark plugs, 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 lawn mower spark plugs.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting lawn mower spark plugs 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 lawn mower spark plugs. 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 lawn mower spark plugs 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 lawn mower spark plugs.