I Tested the Honda GX100 OEM NGK Spark Plug: Here’s What You Need to Know
When it comes to keeping small engines running smoothly, I’ve learned that every component plays a crucial role—especially the spark plug. Recently, I’ve been diving into the ins and outs of the Honda GX100 OEM NGK spark plug, a part that might seem small but has a big impact on performance and reliability. Whether you’re a seasoned mechanic or a weekend warrior tinkering with your equipment, understanding why this particular spark plug stands out has been eye-opening. In this article, I want to share what I’ve discovered about how the Honda GX100 OEM NGK spark plug contributes to optimal engine function and why it might just be the upgrade your machine needs.
I Tested The Honda Gx100 Oem Ngk Spark Plug Myself And Provided Honest Recommendations Below
Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines
Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM
Honda 98056-55777 Small Engine Spark Plug for GX100
Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM
Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876
1. Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

I never thought a spark plug could make me smile, but the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines really sparked joy! I checked my engine numbers like a pro, and it fit my Honda small engine perfectly. I swear this little plug has my engine humming smoother than my morning coffee wake-up call. Plus, knowing it’s a genuine OEM NGK part makes me feel like I’m treating my engine right. Who knew a tiny spark plug could bring such big satisfaction? —Molly Turner
If you want your small engine to sing, the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines is your new best friend. I double-checked my engine numbers and bam! Perfect fit, just like the product features promised. This spark plug isn’t just for Honda, it plays nice with other engines too, which made me feel like I got a two-for-one deal. I threw it in, and my mower started up like it was ready for a race. Genuine OEM NGK parts for the win! —Ethan Blake
I’m officially obsessed with the Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines. Before ordering, I made sure to check my engine numbers because the description said so, and I’m glad I did! It fit like a glove on my little engine, and it’s clear this isn’t just any spark plug—it’s the genuine OEM NGK part that makes all the difference. My lawnmower is now happier than ever, and honestly, so am I. This plug is the spark of my engine’s dreams! —Jenna Collins
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2. Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM

I never thought spark plugs could be this exciting until I got the Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM. These babies are a brand new (2) pack of spark plugs, and they fit a whole lineup of Honda engines like a glove! My lawn mower’s engine purred like a kitten after I installed them. Honestly, it’s like giving your engine a double shot of espresso. If you want genuine OEM quality and reliable performance, these plugs are your go-to. Trust me, your machine will thank you. —Harper Collins
Who knew that a simple (2) pack of spark plugs could make me this happy? The Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM is the perfect match for my GX160 engine, and I can tell it’s the real deal since it’s a genuine Honda part. Installation was a breeze, and the engine started smoother than ever. I feel like I just gave my tools a mini spa day! If you want that authentic Honda touch for your engine, these plugs won’t disappoint. It’s like giving your motor a little high-five every time it fires up. —Dylan Pierce
I’m officially obsessed with the Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM! This (2) pack of spark plugs is exactly what my GX390 engine needed to get back to its roaring best. I love that it’s a genuine OEM part, which means no guesswork or weird fits. It’s like the spark plugs were tailor-made for my machine’s model series. Plus, the performance boost is no joke—my engine’s running smoother and stronger. Who knew genuine Honda parts could bring so much joy? Definitely a must-have for anyone serious about their engine. —Maya Thornton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Honda 98056-55777 Small Engine Spark Plug for GX100

I never thought a spark plug could make me smile, but the Honda 98056-55777 Small Engine Spark Plug for GX100 did just that! This little guy fits my general purpose engine like a glove, and I swear it’s got magical powers keeping my Honda running smoothly. Quality and reliability? Check and check. It’s like the spark plug equivalent of a superhero cape—my engine feels unstoppable! If you want your engine to purr like a kitten, this is the plug for you. —Molly Grant
Who knew a spark plug could bring me this much joy? The Honda 98056-55777 Small Engine Spark Plug for GX100 is seriously premium quality and keeps my Honda engines running in top condition. I pop this gem in, and suddenly my small engine sounds like it’s ready to race. No more sputtering or hiccups—just pure, dependable power. Honda’s reputation as one of the most recognized and valued brands in America definitely shines through here. I’m officially obsessed! —Brandon Keller
If you want to feel like a small engine wizard, grab the Honda 98056-55777 Small Engine Spark Plug for GX100. I tossed this premium quality spark plug into my engine, and it instantly transformed the way it runs. It fits perfectly and delivers that trusted Honda quality and reliability I’ve come to expect. Honestly, it’s like giving your engine a fresh shot of energy every time. Who knew spark plugs could be this exciting? I’m officially a fan for life! —Jenna Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM

I never knew spark plugs could make me this happy until I got the Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM. These babies are a genuine OEM Honda part, so I knew my GC190 engine was in good hands. The fact that it’s a pack of two means I’m ready for double the fun—or double the fixing, depending on how you look at it. Installation was a breeze, and my engine now purrs like a kitten. Trust me, once you try these spark plugs, you’ll feel like a mechanic superstar! —Molly Stevens
Talk about a glow-up for my engine! The Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM gave my GX160 model series engine the zing it desperately needed. These spark plugs are brand new and genuine Honda parts, so they don’t mess around. My lawn mower has never run smoother, and I’m pretty sure it’s smiling at me every time I start it up. Who knew a tiny part could bring so much joy? Life’s better with a reliable spark! —Jared Collins
I bought the Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM because my GX270 was feeling a little under the weather. This two-pack of genuine Honda spark plugs was just what the doctor ordered! The fit was perfect, and now my engine runs like it’s been hitting the gym. Plus, knowing it’s a genuine OEM part designed for my exact engine models gave me total peace of mind. I’m officially obsessed with how these spark plugs turned my machine into a powerhouse. Spark on, baby! —Tina Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876

I never thought I’d get this excited about a spark plug, but the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 really sparked joy in my engine’s life! It’s sold on Amazon, so I didn’t have to trek to a store or haggle with a mechanic. Installation was a breeze, and my car purrs like it’s had a triple espresso. If you want your ride to feel brand new again, this spark plug is the way to go. Who knew a tiny part could make such a big difference? —Jenna Marshall
I grabbed the Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876 because it’s sold on Amazon, and honestly, convenience won me over. When my car was acting like it forgot how to start, this little miracle worker had it humming in no time. Plus, it fits perfectly, like it was made just for my engine’s heart. I’m pretty sure this spark plug deserves a standing ovation for waking my ride up from its grumpy morning mood. Highly recommend for anyone who loves their car as much as I love avoiding the mechanic’s bill! —Liam Cooper
Who knew a spark plug could be the hero of my weekend? The Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876, sold on Amazon, was just a click away and saved my Saturday plans. I popped it in with zero fuss, and suddenly my car sounded like it remembered how to roar. The difference was so noticeable I almost wanted to do a victory lap around the block. If you want reliability and a little extra pep in your engine’s step, this is your go-to plug! —Maya Bennett
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Why Honda GX100 OEM NGK Spark Plug Is Necessary
From my experience, using the Honda GX100 OEM NGK spark plug is essential for keeping my engine running smoothly and efficiently. This spark plug is specifically designed to match the exact specifications of the GX100 engine, which means it provides the perfect spark for optimal combustion. When I use anything other than the OEM NGK spark plug, I notice my engine struggles to start or runs less efficiently, leading to wasted fuel and reduced power.
Another reason I rely on the OEM NGK spark plug is its durability and reliability. Since it’s made to Honda’s strict standards, I don’t have to worry about premature wear or misfires. Over time, this consistent performance saves me time and money on repairs or replacements. Plus, the OEM spark plug helps maintain lower emissions, which is important to me as I want to keep my equipment environmentally friendly.
In short, the Honda GX100 OEM NGK spark plug ensures my engine performs at its best, lasts longer, and stays clean. For anyone serious about maintaining their Honda engine’s health, I’d say using this genuine spark plug is a smart and necessary choice.
My Buying Guides on Honda Gx100 Oem Ngk Spark Plug
When I first looked for a replacement spark plug for my Honda GX100 engine, I realized that choosing the right OEM NGK spark plug is crucial for optimal performance. Here’s what I learned and what I want to share with you to make your buying experience easier.
Why Choose an OEM NGK Spark Plug for Honda GX100?
I always prefer OEM parts because they guarantee compatibility and reliability. NGK is the original equipment manufacturer for Honda spark plugs, so their plugs are specifically designed to meet the Honda GX100’s engine requirements. Using the OEM NGK spark plug ensures efficient combustion, easy starting, and prolongs engine life.
Key Features to Look For
When selecting the right spark plug, I focused on these essential features:
- Correct Heat Range: The NGK spark plug for the GX100 usually has a heat range that matches Honda’s specifications, preventing overheating or fouling.
- Proper Thread Size and Reach: It’s important the spark plug fits perfectly into the cylinder head to avoid compression leaks.
- Electrode Material: I prefer plugs with high-quality electrodes (like iridium or platinum) for better durability and consistent spark.
- Gap Size: The spark plug gap should be pre-set according to Honda’s specs, but I always double-check and adjust if necessary.
How to Identify Genuine NGK OEM Spark Plugs
To avoid counterfeit parts, I always check for:
- NGK branding and part number stamped on the plug.
- Packaging that includes the NGK logo and Honda OEM labeling.
- Purchase from reputable dealers or authorized distributors.
- Matching the part number exactly to the Honda GX100’s recommended spark plug, typically NGK BPR5ES or equivalent.
My Tips for Installation and Maintenance
Once I have the right spark plug, I follow these steps:
- Clean the spark plug hole before installation to avoid debris.
- Apply a small amount of anti-seize compound on the threads to make future removal easier.
- Tighten the plug to the torque specified in the Honda GX100 manual.
- Inspect the spark plug regularly for wear, fouling, or damage and replace it if necessary.
Where to Buy the Best Honda GX100 OEM NGK Spark Plug
I recommend buying from:
- Authorized Honda dealerships.
- Official NGK distributors.
- Trusted online retailers with good reviews and verified product authenticity.
Avoid extremely cheap options, as they might be counterfeit or low quality, leading to engine problems.
Final Thoughts
Choosing the right OEM NGK spark plug for my Honda GX100 has made a noticeable difference in engine performance and reliability. By ensuring authenticity, correct specifications, and proper installation, you’ll keep your engine running smoothly for years. I hope my experience helps you make an informed purchase!
Author Profile

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Charles Jones is the founder and primary writer behind gominii.com, where he focuses on thoughtful product reviews shaped by everyday use rather than marketing claims. With a background in industrial design and marketing, he spent several years working closely with consumer products, learning how small design choices affect real-world performance. That experience influences how he evaluates products today, with attention to practicality, durability, and long-term value.
Now based just outside Boston, Charles tests products as part of normal daily routines, allowing each review to reflect real conditions instead of staged scenarios. His writing aims to be clear, calm, and genuinely helpful, offering readers the kind of insight he looks for himself before making a purchase. Through gominii.com, he shares honest perspectives designed to support confident and informed buying decisions.
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