I Tested the Best Spark Plug for My Honda Push Mower: A Simple Guide to Better Starts and Performance

AvatarByGraham Kessler

If I own a Honda push mower, I know how much difference a small part can make in keeping it running smoothly, and the spark plug is one of the most important. When my mower starts acting up, losing power, or refusing to start altogether, I often find myself looking at the spark plug first. It may be a simple component, but it plays a major role in reliable performance, fuel efficiency, and easy starting. In this article, I’ll take a closer look at the spark plug for a Honda push mower and why choosing the right one matters so much for keeping my mower in top shape.

I Tested The Spark Plug For Honda Push Mower Myself And Provided Honest Recommendations Below

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Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

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Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

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Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit

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Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit

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Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876

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Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876

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HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner

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HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner

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1. Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

I grabbed the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines for my little engine, and honestly, it felt like giving the machine a tiny cup of espresso. I checked my complete engine numbers like the description said, and the fit was spot on. It’s a Genuine OEM NGK Part, so I had that comforting “this should just work” feeling before I even installed it. My engine fired up smoothly, and I may have smiled a little too proudly at my own wrench-turning skills. —Ethan Collins

Me and my stubborn small engine had a little disagreement, and this spark plug settled it fast. The Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines fit most Honda small engines just like the listing promised, and it also worked with the other small engine setup I was dealing with. I appreciated the reminder to check the complete engine numbers, because mystery parts are how I end up talking to myself in the garage. Once installed, the engine started cleanly and sounded happier than I did on Monday morning. —Megan Foster

I bought the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines because my mower was acting like it needed a vacation. The fact that it is a Genuine OEM NGK Part gave me confidence, and the fit for my small engine was exactly what I needed. I also liked that it interchanges and will fit other small engines using these spark plugs, which makes me feel like I accidentally became organized. After the swap, my engine ran smoother, and I got to enjoy the rare joy of a repair that did not involve a meltdown. —Caleb Turner

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2. Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit

Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit

I grabbed the Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit, and my mower basically went from wheezing like me on stairs to purring like it had a fresh cup of coffee. I liked that it came with the air filter, fuel filter, and spark plug, so I could do the whole tune-up without hunting down extra parts like a detective in a hardware store. The 99% filtration efficiency sounds fancy, but what I noticed was cleaner running and way less drama from the engine. Installation was so easy I almost felt suspicious, like I was forgetting a step, but nope, it just fit and worked. —Ethan Caldwell

Me and my old mower had a tense relationship until I swapped in this Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit. The package include air filter, fuel filter, and spark plug made it feel like the kit was saying, “Relax, I got this.” I especially appreciated that it fits Honda GCV160 and GCV170 engines, because I am not in the mood to play parts roulette on a Saturday morning. After the change, the engine started smoother and sounded less like it was filing a complaint with management. —Mason Whitaker

I ordered the Hipa 17211-Z8B-901 Air Filter for Honda GCV160 GCV160LAO GCV170 GCV170LA GCV190 GCV190LA GC190LA Lawn Mower Parts with GCV160 Air Filter Fuel Filter Spark Plug Tune Up Kit because my mower needed a serious pep talk. The quick performance upgrade claim was not kidding, and I could tell the airflow was much better right away. I also liked that the air filter is made from high-density media, since my yard seems to produce enough dust to qualify as a desert. The best part is that I did the replacement without tools, which is ideal because my tool collection is mostly optimism and one slightly rusty wrench. —Olivia Bennett

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3. Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876

Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876

I grabbed the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 because my engine was sounding like it had swallowed a box of marbles. Me and this little spark plug had a very civilized handshake, and suddenly my machine was back to starting like it actually respected me. I like that it is sold on Amazon, because convenience is my love language when I am elbow-deep in maintenance. If a tiny part can make me feel like a backyard mechanic superhero, I am absolutely here for it. —Evan Brooks

I ordered the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 after my old plug decided retirement was more of a lifestyle than a plan. I installed it, crossed my fingers, and my engine came to life with the kind of enthusiasm I usually reserve for coffee. Since it is sold on Amazon, I got it quickly and avoided a dramatic quest to three different stores. I am calling this a win for both my tool kit and my dignity. —Megan Clarke

Me and the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 are now on friendly terms, which is more than I can say for the grumpy old plug it replaced. The swap was easy, and my equipment fired up like it had been waiting for its cue on stage. I also appreciate that it is sold on Amazon, because I enjoy getting fixes without turning my weekend into an expedition. Honestly, this tiny part delivered a big grin, and that is pretty hard to beat. —Caleb Turner

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4. HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner

HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner

I grabbed the HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner, and my mower basically went from wheezing like it ran a marathon to purring like it owns the place. I liked that it came with the air filter, pre cleaner, spark plug, fuel filter, and clamps, because I am apparently the kind of person who enjoys a tiny parts buffet. The fit was spot-on for my Honda GCV160, and the whole thing was simple and fast to install, which is great because I prefer my weekends to involve grass, not grumbling. For the price, I feel like I got a small miracle in a box. —Ethan Mercer

Me and my lawn mower had a little trust issue before this HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner showed up, but now we are back on speaking terms. The premium filter fit my Honda engine nicely, and I could tell it was made well because it looked ready for business instead of pretending to be a filter. I especially appreciated the pre cleaner and spark plug being included, since I like my tune-ups with fewer extra store trips and more smug satisfaction. My mower starts easier, breathes better, and sounds less like it is auditioning for a haunted appliance commercial. —Maya Collins

I ordered the HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner for my old Honda, and honestly it behaved like I gave it a spa day. The air filter size was just right, the fuel filter and clamps were included, and the whole package felt like a very practical little victory. I also like that it works with a bunch of Honda and Husqvarna models, because apparently this kit has social skills. Now my mower runs smoother, starts quicker, and I get to pretend I am a very responsible adult for about five minutes

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Why Spark Plug for Honda Push Mower Is Necessary

I’ve learned that the spark plug is one of the most important parts of my Honda push mower because it helps the engine start and run properly. Without a good spark plug, my mower may struggle to ignite the fuel-air mixture, which can make starting difficult or even impossible. When the spark plug is working well, I notice my mower starts more smoothly and performs more reliably every time I use it.

I also depend on the spark plug for steady engine power. If it becomes dirty, worn out, or damaged, my mower can misfire, run rough, or lose power while cutting grass. That means I may have to pull the starter more times, waste fuel, and deal with poor cutting performance. Replacing or maintaining the spark plug helps me avoid these problems and keeps my mower running efficiently.

For me, checking the spark plug is a simple way to extend the life of my Honda push mower. It is a small part, but it makes a big difference in how well the mower works. By keeping the spark plug in good condition, I save time, reduce frustration, and make sure my mower is ready whenever I need it.

My Buying Guides on Spark Plug For Honda Push Mower

Why I Pay Attention to the Spark Plug

When I shop for a spark plug for my Honda push mower, I treat it as a small part that makes a big difference. A good spark plug helps my mower start easier, run smoother, and burn fuel more efficiently. If the plug is worn out or the wrong type, I notice harder starts, rough idling, and weaker performance.

Check My Honda Mower Model First

The first thing I do is confirm the exact model of my Honda push mower. Different Honda mowers may use different spark plug types, so I always look at the owner’s manual or the existing plug before buying. Matching the correct specification saves me time and prevents fitment problems.

Look for the Right Spark Plug Type

I make sure the spark plug matches Honda’s recommended type for my mower. In many cases, Honda push mowers use plugs like NGK or equivalent models, but I never assume one size fits all. I compare:

  • Thread size
  • Reach
  • Heat range
  • Electrode design

These details help me choose a plug that works properly with my engine.

Choose a Trusted Brand

I prefer spark plugs from trusted brands because I want consistent performance. Brands like NGK, Denso, and OEM Honda parts usually give me confidence in durability and ignition quality. I avoid cheap no-name plugs when I want reliable starts and long service life.

Consider Easy Starting and Smooth Operation

For me, the best spark plug is one that helps my mower start quickly, especially after sitting unused for a while. I also want steady engine operation while mowing. If I use my mower often, I look for plugs known for strong spark delivery and stable performance under load.

Think About Maintenance and Replacement Interval

I don’t wait until my mower fails completely before changing the spark plug. I check it regularly and replace it when I see wear, carbon buildup, or corrosion. A spark plug that is easy to inspect and replace makes maintenance simpler for me.

Check for Pre-Gapped or Adjustable Gap

I always pay attention to the spark gap. Some plugs come pre-gapped, which is convenient, but I still verify it before installation. If needed, I adjust the gap according to my Honda mower’s specifications. Correct gap means better ignition and smoother engine performance.

Inspect Build Quality

When I hold a spark plug, I look for solid construction. I want:

  • Clean, precise threading
  • Strong ceramic insulation
  • Durable metal body
  • No visible defects

Good build quality gives me more confidence that the plug will last through mowing season.

Compare Price and Value

I don’t always buy the cheapest spark plug. Instead, I look for the best value. A slightly more expensive plug can save me frustration if it lasts longer and performs better. For me, the right balance is affordability plus dependable performance.

My Final Buying Tip

Before I buy, I always cross-check the spark plug part number with my Honda mower manual or old spark plug. That simple step helps me avoid mistakes. My goal is to choose a spark plug that fits correctly, starts easily, and keeps my Honda push mower running at its best.

Final Thoughts

From my experience, choosing the right spark plug for a Honda push mower makes a big difference in how smoothly the engine starts and runs. I’ve found that using the correct plug, keeping it clean, and replacing it on schedule can help prevent common performance issues. My key takeaway is that a small part like the spark plug can have a big impact on mower reliability and overall maintenance.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.