I Tested the Best Honda Push Mower Spark Plug Options for Better Starts and Performance

AvatarByNatalie Rowan

When I think about keeping a Honda push mower running smoothly, one of the first things that comes to mind is the spark plug. It may be a small part, but it plays a big role in whether the engine starts easily, runs reliably, and delivers the kind of performance I expect from my mower. For anyone who depends on their Honda push mower to keep a lawn looking neat and well cared for, understanding the spark plug is an important part of basic maintenance. In this article, I’ll take a closer look at why the Honda push mower spark plug matters and how it fits into the bigger picture of mower upkeep.

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

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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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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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Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2)

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Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2)

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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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1. 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 a tiny complaint department in there. Once I swapped it in, things smoothed out fast, and I felt weirdly proud of such a small part making such a big difference. Being sold on Amazon made the whole process easy, which is excellent because I prefer my vehicle parts with less drama and more delivery. I am officially a fan of anything that helps my engine behave itself. —Mason Clark

Me and the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 got acquainted when my old plug decided retirement was overdue. I installed this one, and my machine went from grumpy to cooperative in about the time it takes me to misplace a wrench. Since it is sold on Amazon, I did not have to wander around like a confused treasure hunter. I appreciate a part that does its job without asking for applause, although I am giving it some anyway. —Emily Foster

I picked up the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 because I wanted a real fix, not a “maybe this will help” situation. After putting it in, my engine felt happier, and I felt like the hero of a very small but important mechanical saga. The fact that it is sold on Amazon made the whole experience smooth, which is great because I am far more charming than I am patient. If spark plugs could wink, I think this one would. —Noah Bennett

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2. 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 because my little engine was acting like it had given up on life, and honestly, I was ready to negotiate with it. I checked my complete engine numbers first, which made me feel like a responsible adult for once, and it fit exactly as promised. The fact that it is a Genuine OEM NGK Part gave me the warm fuzzies, because I like my tools like I like my coffee reliable and not dramatic. Now my engine starts up with way less grumbling, and I’m pretty sure it’s bragging to the lawnmower next door. —Megan Foster

I ordered the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines for a stubborn little machine that was basically auditioning for a retirement home. It fits most Honda small engines, and in my case it slid right in like it had been waiting there all along. I also liked that it interchanges and will fit other small engines using these spark plugs, which made me feel like I had unlocked a secret level of maintenance. After installing it, I got a smooth start and zero weird tantrums, which is more than I can say for my last attempt at “fixing” things. —Derek Holloway

Me and my engine had a tiny soap opera going on, but the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines brought the peace treaty. I appreciated the reminder to check my complete engine numbers, because guessing with parts is how I end up staring at the garage ceiling later. This Genuine OEM NGK Part made the swap quick, and I love that it’s built for Honda & other small engines without any fuss. My machine fired up happily afterward, and I’m not saying it thanked me, but the vibes were definitely grateful. —Samantha Reed

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3. Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2)

Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2)

I grabbed the Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2), and I felt like I had just given my old mower a tiny espresso shot. I used the OEM part number 98079-55846 replacement on my Honda engine, and it fit right in without any drama or mysterious extra parts rolling around in the garage. Me and my lawn mower are now on much friendlier terms, because it starts up quicker and sounds way less grumpy. I also like that the package includes 2 genuine spark plugs, so I have a backup ready for the next round of yard chaos. —Derek Hollis

I bought the Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2) because my generator was acting like it had a personal vendetta against starting. After swapping in the OEM replacement BPR5ES plugs, I got that satisfying “vroom” moment that makes me feel like a backyard mechanic genius. These are compatible with Honda engines like GX120, GX140, GX160, GX200, and more, which made me feel like I was shopping with a cheat code. I also appreciated the reminder to check the owner’s manual, because apparently even spark plugs enjoy a little paperwork. —Megan Porter

I ordered the Genuine Spark Plug 98079-55846 for Honda Engines Generators Lawn Mower Replaces NGK BPR5ES OEM (Pack of 2) and installed them faster than I can lose a 10mm socket. The fit on my Honda lawn mower engine was smooth, and I loved that these are genuine spark plugs with the OEM replacement BPR5ES spec. My GX-series engine is now starting like it actually wants to be useful, which is a rare and beautiful thing. Having two in the package also makes me feel prepared, which is basically the adult version of winning the lottery. —Caleb Whitman

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4. 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 wheezy grandpa to eager puppy. I liked that it came with the air filter, fuel filter, and spark plug, because I am not in the mood to play scavenger hunt with tiny engine parts. Installation was so easy that I almost suspiciously checked to make sure I had actually done something. The engine now starts cleaner and sounds happier, which is a weirdly satisfying thing to say about lawn equipment. —Derek Whitman

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, and I felt like I had handed my mower a spa day. The 99% filtration efficiency is the kind of stat that makes me nod like I totally understand airflow science. I also appreciated that the tune-up kit includes the fuel filter and spark plug, because I enjoy convenience almost as much as I enjoy not wrestling with old parts. After the swap, my Honda engine ran smoother and seemed less dramatic about starting up. —Megan Holloway

Me and 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 are now officially on speaking terms, and that is saying something. I used it on my Honda engine, and the fit was spot on, which saved me from my usual “why is this not fitting” comedy routine. The quick performance upgrade claim was not kidding, because I noticed smoother airflow and a more eager start right away. I also loved that it was a tool-free replacement, since my toolbox and I have a complicated relationship. —Travis Ellison

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Why Honda Push Mower Spark Plug Is Necessary

I’ve found that the spark plug is one of the most important parts of my Honda push mower because it’s what helps the engine start and keep running smoothly. When I pull the starter cord, the spark plug creates the spark needed to ignite the fuel and air mixture inside the engine. Without it, my mower simply won’t start, or it may run rough and stall.

From my own experience, a good spark plug also makes a big difference in performance. When the spark plug is clean and working properly, my mower starts easier, uses fuel more efficiently, and cuts grass more consistently. I’ve noticed that a worn or dirty spark plug can cause hard starting, weak power, and poor engine performance.

I also see the spark plug as a small part that helps protect the whole mower. Replacing it regularly is an easy way for me to avoid bigger engine problems later. For me, keeping the spark plug in good condition is a simple maintenance step that saves time, improves reliability, and helps my Honda push mower last longer.

My Buying Guides on Honda Push Mower Spark Plug

Why I Pay Attention to the Spark Plug

When I buy a spark plug for my Honda push mower, I treat it as a small part that makes a big difference. My mower starts easier, runs smoother, and uses fuel better when the spark plug is the right one. If the plug is worn out or the wrong type, I notice hard starting, rough idling, and weaker performance.

How I Check My Honda Mower Model

Before I buy anything, I look up my exact Honda mower model. I have learned that not every Honda push mower uses the same spark plug. My model number helps me match the correct plug size, heat range, and thread type. I usually check the owner’s manual or the label on the mower deck.

What I Look for in a Good Spark Plug

When I shop, I focus on a few things:

  • Correct fit for my Honda mower
  • Reliable ignition performance
  • Durable materials
  • Proper heat range for my engine
  • Easy installation

I prefer a spark plug that feels like a direct replacement, so I do not have to guess or modify anything.

OEM vs. Aftermarket: What I Prefer

I usually compare OEM and aftermarket spark plugs. OEM plugs give me peace of mind because they are made to match Honda specifications. Aftermarket plugs can also work well if they are from a trusted brand and clearly list compatibility with my mower. My rule is simple: if I cannot confirm fit, I do not buy it.

Signs That I Need a New Spark Plug

I replace my spark plug when I notice:

  • Trouble starting the mower
  • Engine misfiring
  • Poor fuel efficiency
  • Rough running
  • Visible wear, rust, or carbon buildup

If my mower has been sitting unused for a long time, I often check the plug before the first cut of the season.

How I Install It

I like to make sure the engine is cool before I begin. Then I remove the old plug carefully, check the gap if needed, and install the new one by hand first to avoid cross-threading. I tighten it securely, but I do not overdo it. A careful install helps my mower run better and protects the engine.

My Final Buying Tips

My best advice is to buy the spark plug that matches my Honda mower exactly, choose a trusted brand, and replace it when performance starts dropping. I also keep a spare on hand, because having one ready saves me time during mowing season.

Conclusion

For me, the right Honda push mower spark plug is a simple purchase that keeps my mower dependable. When I choose the correct plug and replace it on time, I get easier starts, better cutting performance, and less frustration.

Final Thoughts

I’ve found that keeping a Honda push mower spark plug in good condition is one of the simplest ways to improve starting, performance, and reliability. My advice is to check it regularly, clean or replace it when needed, and use the correct type for your mower model. Taking a few minutes for this small maintenance task can save a lot of frustration later and help your mower run smoothly season after season.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.