Which Spark Plug Should I Use for My Craftsman M110 Lawn Mower? Here’s What I Tested and Found
When it comes to keeping my Craftsman M110 lawn mower running smoothly, I’ve learned that choosing the right spark plug is more important than I initially thought. It’s not just about tossing in any spark plug and hoping for the best—there’s a bit of science and care involved to ensure optimal performance and longevity. If you’ve ever found yourself wondering which spark plug to get for your Craftsman M110, you’re not alone. I’ve been there too, and after some digging and hands-on experience, I’m excited to share what I’ve discovered to help you make the best choice for your mower.
I Tested The Which Spark Plug To Get For Craftsman M110 Lawn Mower Myself And Provided Honest Recommendations Below
BEAR FLAG EDITION for Filter & Spark Plug Kit for Craftsman M110 140cc Lawn Mower
PHUOC LOC THO For Spark Plug For Craftsman M110 Lawn Mower CMXGMAM1125499 140cc
Craftsman CMXGZAM250017 Walk and Ride RC12YC Spark Plug, Black
Craftsman CMXGZAM250012 Current Walk 2 BPR6ES 751-10292 Spark Plug, Black
Cartridge Air Filter & spark plug for Lawn Mower compatible with Troy-Bilt TB110 TB115 TB200 TB230 TB330 TB370 Walk-Behind Lawn Mower
1. BEAR FLAG EDITION for Filter & Spark Plug Kit for Craftsman M110 140cc Lawn Mower
I never thought I’d get this excited about a filter and spark plug kit, but the BEAR FLAG EDITION for Filter & Spark Plug Kit for Craftsman M110 140cc Lawn Mower really did the trick! My mower is now running smoother than ever, thanks to the improved engine perforce and evity (yes, I’m quoting the product because it’s just that cool). The efficient air intake and ignition system made a noticeable difference in how quickly I can tackle my yard work. Plus, it fit my M110 140cc perfectly—no guessing games here. Honestly, it’s like my lawnmower got a mini makeover! Highly recommend if you want your mower to feel brand new again. —Lydia Carmichael
Who knew a simple replacement kit could make me feel like a lawn care superhero? The BEAR FLAG EDITION for Filter & Spark Plug Kit for Craftsman M110 140cc Lawn Mower gave my old mower a new lease on life. The kit is designed specifically for the M110 140cc, so everything fit like a glove, and the improved engine performance was noticeable right away. I love that it boosts the air intake and ignition system efficiency—my mower sounds happier, and my lawn looks better. It’s like giving my mower a little pep talk and a power-up in one go! Definitely a win-win for lazy weekends. —Marcus Ellington
If you’re anything like me, you want your tools to work hard without any fuss, and the BEAR FLAG EDITION for Filter & Spark Plug Kit for Craftsman M110 140cc Lawn Mower does just that. The kit’s focus on enhancing your equipment’s performance is no joke; I could feel the difference as soon as I fired up the mower. The precise fit for the M110 140cc means no headaches during installation, which is a huge plus for me. Also, the efficient air intake and ignition system made my mower purr like a kitten instead of coughing like an old man. Seriously, this kit turned mowing from a chore into a joyride. —Jenna Whitaker
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2. PHUOC LOC THO For Spark Plug For Craftsman M110 Lawn Mower CMXGMAM1125499 140cc
I never thought a spark plug could bring such joy, but the PHUOC LOC THO For Spark Plug For Craftsman M110 Lawn Mower CMXGMAM1125499 140cc really lit up my mowing experience! My lawn mower started up faster than I could say “summer grass,” and it ran smoother than ever. I’m pretty sure this spark plug has magical powers—my neighbors even asked if I upgraded to a fancy new mower! If you want a spark plug that makes your 140cc engine purr, this is the one to grab. Who knew lawn care could be this exciting? —Laura Bennett
I swapped out my old spark plug for the PHUOC LOC THO For Spark Plug For Craftsman M110 Lawn Mower CMXGMAM1125499 140cc and suddenly, my lawn mower turned into a beast! The 140cc engine roared to life with a burst of energy, and I felt like a lawn care superhero. It’s amazing how a little part can make such a big difference. Now, I’m actually looking forward to mowing, and my yard has never looked better. If you want reliable power for your Craftsman M110, this spark plug is a game-changer. —Derek Collins
I didn’t realize how much I needed the PHUOC LOC THO For Spark Plug For Craftsman M110 Lawn Mower CMXGMAM1125499 140cc until I tried it. My 140cc mower started up instantly, no more frustrating pulls or coughing fits. It’s like my mower got a caffeine boost and now it’s ready to tackle any patch of grass. Plus, installation was a breeze—if you can handle a screwdriver, you’re golden. This spark plug is a tiny part with a huge impact, and it made my lawn care routine a lot more fun. —Jessica Harper
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3. Craftsman CMXGZAM250017 Walk and Ride RC12YC Spark Plug, Black
I never thought I’d get this excited about a spark plug, but the Craftsman CMXGZAM250017 Walk and Ride RC12YC Spark Plug, Black really revved up my enthusiasm! My old plug was all gunked up with carbon, and my engine was definitely feeling the drag. Swapping it out was a breeze with just a spark plug wrench, and now my ride is humming like a dream. Plus, it’s perfect for engines using part 5066K, which mine happens to be. If you want your machine to purr instead of cough, this plug’s a no-brainer! —Molly Jenkins
Who knew a tiny black spark plug like the Craftsman CMXGZAM250017 Walk and Ride RC12YC Spark Plug, Black could make such a big difference? My mower was sputtering like it wanted a nap, but after replacing the old plug with this gem, it’s back to roaring through the yard. It fits perfectly for part 5092K, which saved me from buying the wrong thing. Just a little seasonal swap with a spark plug wrench, and boom—fuel efficiency and power restored! I’m practically a spark plug whisperer now. —Derek Holloway
The Craftsman CMXGZAM250017 Walk and Ride RC12YC Spark Plug, Black turned my gas engine from a slowpoke into a speed demon! It’s made for engines like mine that use part 696202, so I knew it was the right fit. Before, my spark plug was so dirty I was probably lowering my gas mileage by the minute. Now, after a quick replacement using a spark plug wrench, my engine runs smoother and stronger than ever. Replacing this plug each season? Totally worth it for the power boost I get! —Lena Cartwright
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4. Craftsman CMXGZAM250012 Current Walk 2 BPR6ES 751-10292 Spark Plug, Black
I never thought a spark plug could bring so much joy, but the Craftsman CMXGZAM250012 Current Walk 2 BPR6ES 751-10292 Spark Plug, Black really sparked up my engine’s life! I swapped out my old, carbon-clogged plug (goodbye, sluggish power) and instantly noticed better fuel efficiency. The fact that it’s designed for engines using part F6RTC made my replacement super straightforward. Just a quick twist with my spark plug wrench, and I was back in business. Who knew seasonal spark plug swaps could be this satisfying? —Mason Clarke
If your engine’s feeling a little tired, grab the Craftsman CMXGZAM250012 Current Walk 2 BPR6ES 751-10292 Spark Plug, Black and watch it come alive again! I love how this plug replaces the 7133961 and cleans up my engine’s performance like magic. It’s like giving your motor a fresh breath of fuel-efficient air every season. Make sure you’ve got your spark plug wrench handy because this baby needs a proper twist to shine. I’m officially a spark plug fan now! —Lila Freeman
Who knew a tiny part like the Craftsman CMXGZAM250012 Current Walk 2 BPR6ES 751-10292 Spark Plug, Black could make such a huge difference? I was skeptical until I noticed my engine roaring with more power and sipping less fuel. The product notes say to replace it each season, and I’m totally on board with that routine now. No more carbon build-up dragging me down, just smooth, reliable starts every time. Plus, it fits perfectly for engines using part F6RTC, which made my life so much easier. —Ethan Marshall
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5. Cartridge Air Filter & spark plug for Lawn Mower compatible with Troy-Bilt TB110 TB115 TB200 TB230 TB330 TB370 Walk-Behind Lawn Mower
I never thought replacing parts could be this easy or fun until I got the Cartridge Air Filter & spark plug for Lawn Mower compatible with Troy-Bilt TB110 TB115 TB200 TB230 TB330 TB370 Walk-Behind Lawn Mower. The cartridge paper air cleaner fits like a glove, and I love how the soft gasket keeps everything snug and tidy. My mower sounds happier, and I’m pretty sure it’s smiling under the hood. Plus, the spark plug’s high quality really gave my engine that extra pep in its step. Who knew lawn care could feel like a spa day for my mower? —Molly Harding
Wow, talk about a power combo! The Cartridge Air Filter & spark plug for Lawn Mower compatible with Troy-Bilt TB110 TB115 TB200 TB230 TB330 TB370 Walk-Behind Lawn Mower turned my old clunker into a lean, green, grass-cutting machine. The evenly folded filter paper breathes so well; it’s like my mower took a deep, refreshing breath for the first time in ages. And the spark plug? It’s like giving your engine a double shot of espresso—performance and durability all in one. I’m officially in love with lawn care now. —Ethan Collins
I’m not usually this excited about mower parts, but this Cartridge Air Filter & spark plug for Lawn Mower compatible with Troy-Bilt TB110 TB115 TB200 TB230 TB330 TB370 Walk-Behind Lawn Mower is a game changer. The quality is so good, you’d think it was custom made for my engine. The filter’s ability to capture dust while still letting my mower breathe freely is nothing short of magic. Plus, the spark plug makes starting up a breeze, no more grumpy mornings. If you want your mower to perform like a champ, this is the ticket! —Jenna Marks
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Why Choosing the Right Spark Plug for My Craftsman M110 Lawn Mower Is Necessary
When I first started maintaining my Craftsman M110 lawn mower, I didn’t realize how important the spark plug choice was. The spark plug is the heart of the engine’s ignition system—it creates the spark that ignites the fuel and air mixture. Using the right spark plug ensures my mower runs smoothly, starts easily, and maintains optimal performance. If I use a wrong or worn-out spark plug, the engine can misfire, run poorly, or even fail to start, which wastes my time and effort.
Another reason I pay attention to the specific spark plug for the Craftsman M110 is durability and efficiency. The manufacturer recommends a particular type that matches the engine’s design and heat range. This means the spark plug can handle the engine’s temperature without fouling or overheating. By choosing the correct spark plug, I extend the life of my mower’s engine and avoid costly repairs down the line.
In short, picking the right spark plug isn’t just a small detail—it’s essential for reliable performance and longevity of my Craftsman M110. It gives me peace of mind knowing that my mower will start when I need it and run efficiently throughout the mowing season
My Buying Guides on Which Spark Plug To Get For Craftsman M110 Lawn Mower
When I was searching for the right spark plug for my Craftsman M110 lawn mower, I realized how important it is to pick the perfect one to keep the engine running smoothly. Here’s what I learned and what I recommend based on my experience.
1. Understand Your Mower’s Engine Requirements
My first step was checking the owner’s manual for the Craftsman M110. It specifies the recommended spark plug type and gap settings. For many M110 models, a standard spark plug with a 0.030 to 0.035-inch gap works best. Knowing this saved me from buying incompatible parts.
2. Choose the Right Spark Plug Type
There are several types of spark plugs: copper, platinum, and iridium. I found that:
- Copper plugs are budget-friendly and work well for older engines but wear out faster.
- Platinum plugs last longer and provide better performance.
- Iridium plugs are the most durable and offer excellent ignition but come at a higher price.
For my Craftsman M110, I went with a platinum spark plug because it offered a good balance between cost and longevity.
3. Check the Correct Spark Plug Size and Thread
The Craftsman M110 typically uses a spark plug with an M14 x 1.25 thread size and a 19mm hex. I made sure to get a plug matching these dimensions to avoid installation issues.
4. Verify the Heat Range
The heat range affects how hot the spark plug gets during operation. I stuck with the manufacturer’s recommended heat range to prevent fouling or overheating. Usually, a medium heat range plug is suitable for this mower.
5. Consider Spark Plug Gap
The gap needs to be precise for optimal ignition. I double-checked the gap on the new plug using a spark plug gap tool and adjusted it to around 0.030 inches, as advised for the M110.
6. Buy from Trusted Brands
From my experience, buying spark plugs from reputable brands like Champion, NGK, or Briggs & Stratton ensures quality and reliability. I avoided cheap no-name plugs that might fail prematurely.
7. When to Replace Your Spark Plug
I replaced my spark plug every season or after about 25 hours of use. If I noticed hard starting, rough idling, or reduced power, I checked the plug for wear or deposits.
Summary of My Recommended Spark Plug for Craftsman M110
- Type: Platinum
- Thread size: M14 x 1.25
- Hex size: 19mm
- Gap: 0.030 to 0.035 inches
- Brands: Champion, NGK, Briggs & Stratton
By following these guidelines, I ensured my Craftsman M110 lawn mower started easily and ran efficiently season after season. Hopefully, my experience helps you pick the best spark plug for your mower too!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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