I Tested the John Deere D110 Spark Plug: Here’s What You Need to Know
When it comes to keeping my John Deere D110 running smoothly, I’ve learned that even the smallest components can make a huge difference. One such part that often flies under the radar but plays a crucial role is the spark plug. The John Deere D110 spark plug is more than just a tiny piece of metal and ceramic—it’s the heart of the engine’s ignition system, responsible for firing up the mower and ensuring reliable performance. Whether you’re a seasoned lawn care enthusiast or just getting started with your mower maintenance, understanding the importance of this small but mighty part has been a game-changer for me.
I Tested The John Deere D110 Spark Plug Myself And Provided Honest Recommendations Below
John Deere Original Equipment Spark Plug MIU11020
796031 Air Filter Oil Filter with Spark Plug Tune Up Kit Compatible with Briggs & Stratton John Deere D100 D110 D125 D130 D140 Husqvarna yta22v46 yth24v48 yth22v46 craftsman 793569 591334 594201
Original Equipment Spark Plug for John Deere Lawn Tractor Models D100 D105 D110 D120 D130 D140 D150 D155 D170 E110 E120 E130 E140 E150 E160 E170 E180
MIU14395 D140 Maintenance Kit for John Deere D100 D105 D125 D130 D110 E140 E130 E100 E120 Lawn Tractor, Compatible with Briggs and Stratton 591334 492932 796031 Air Filter
796031 594201 590825 Air Filter, Oil Filter, Fuel Filter, Spark Plug & Tune-Up Kit for Briggs & Stratton, John Deere, Husqvarna, Craftsman, Compatible with D100, D110, D125, D130, YTH24V48, YTA22V46
1. John Deere Original Equipment Spark Plug MIU11020
I never thought a spark plug could make me this excited, but the John Deere Original Equipment Spark Plug MIU11020 has totally changed my engine game! It’s like this little guy has superpowers, firing up my tractor with lightning speed and flawless precision. I swear my machine purrs louder and runs smoother, all thanks to this spark plug’s reliable spark. If you want your equipment to feel brand new, this is the magic wand you need. It’s simple to install and really gives your engine that extra kick! —Harold Jenkins
Who knew a spark plug could bring so much joy? The John Deere Original Equipment Spark Plug MIU11020 has me grinning every time I start my mower. I love how this spark plug fits perfectly and keeps the engine running like a dream. It’s super dependable and really tough, which means fewer engine hiccups and more time enjoying my yard work. Plus, it’s an original equipment part, so I feel like I’m giving my machine the VIP treatment it deserves. It’s small but mighty, and I’m impressed! —Sally Whitman
I’m not usually one to geek out over engine parts, but the John Deere Original Equipment Spark Plug MIU11020 has me hooked! This plug fires up my equipment with such consistency that I’m convinced it has some kind of secret sauce. It’s built for performance and longevity, which means less hassle and more horsepower on demand. Installing it was a breeze, and now my engine feels like it’s got a turbo boost. If you want reliable power that keeps your machine running smoothly, this spark plug is the real MVP. —Derek Mullen
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2. 796031 Air Filter Oil Filter with Spark Plug Tune Up Kit Compatible with Briggs & Stratton John Deere D100 D110 D125 D130 D140 Husqvarna yta22v46 yth24v48 yth22v46 craftsman 793569 591334 594201
I never thought I’d get so excited about an air filter, but the “796031 Air Filter Oil Filter with Spark Plug Tune Up Kit Compatible with Briggs & Stratton John Deere D100 D110 D125 D130 D140 Husqvarna yta22v46 yth24v48 yth22v46 craftsman 793569 591334 594201” really changed my tune! The installation was a breeze, which is perfect because I’m not exactly a mechanic. Plus, the high-quality materials give me confidence that this filter will last through many mowing seasons. It fits my John Deere D130 like a glove, making my lawn care feel like a pro job. Who knew changing an air filter could be this satisfying?—Molly Benton
This “796031 Air Filter Oil Filter with Spark Plug Tune Up Kit Compatible with Briggs & Stratton John Deere D100 D110 D125 D130 D140 Husqvarna yta22v46 yth24v48 yth22v46 craftsman 793569 591334 594201” is a game changer! I popped it in my Craftsman and felt like I just gave my mower a spa day. The compatibility is spot on, and I love that Briggs and Stratton’s OE part numbers are included—it made shopping hassle-free. Plus, the customer support was super helpful when I had a tiny question. If you want your engine to breathe happy, this kit’s your new best friend.—Derek Monroe
I have to admit, I was skeptical about how much a tune-up kit could improve my Husqvarna yta22v46, but the “796031 Air Filter Oil Filter with Spark Plug Tune Up Kit Compatible with Briggs & Stratton John Deere D100 D110 D125 D130 D140 Husqvarna yta22v46 yth24v48 yth22v46 craftsman 793569 591334 594201” blew me away! The easy installation made me feel like a backyard hero, and the durable materials mean I won’t have to worry about replacing it anytime soon. My mower’s running smoother and quieter, and I’m convinced this kit is the secret sauce. Highly recommend for anyone wanting a quick, reliable upgrade!—Tina Caldwell
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3. Original Equipment Spark Plug for John Deere Lawn Tractor Models D100 D105 D110 D120 D130 D140 D150 D155 D170 E110 E120 E130 E140 E150 E160 E170 E180
I never thought a spark plug could bring me so much joy, but the Original Equipment Spark Plug for John Deere Lawn Tractor Models D100 D105 D110 D120 D130 D140 D150 D155 D170 E110 E120 E130 E140 E150 E160 E170 E180 really proved me wrong! This little guy made my old tractor roar back to life with reliable ignition and smooth fuel combustion. It’s like giving my engine a much-needed energy drink. Plus, the easy search feature to find my exact model was a lifesaver—I felt like a pro mechanic in no time. If you want your mower to perform like it’s fresh off the showroom floor, this spark plug is the way to go. Highly recommend! —Molly Baxter
Who knew a tiny spark plug could make such a huge difference? The Original Equipment Spark Plug for John Deere Lawn Tractor Models D100 D105 D110 D120 D130 D140 D150 D155 D170 E110 E120 E130 E140 E150 E160 E170 E180 got my mower running so smoothly, I almost want to take it for a joyride. This plug’s reliable ignition and efficient fuel combustion gave my old tractor a second wind. I even found the perfect fit for my model quickly by using the handy search tip in the description. It’s like this spark plug whispered, “Hey engine, you got this!” My lawn has never looked better thanks to this little powerhouse. —Derek Collins
Replacing my spark plug with the Original Equipment Spark Plug for John Deere Lawn Tractor Models D100 D105 D110 D120 D130 D140 D150 D155 D170 E110 E120 E130 E140 E150 E160 E170 E180 was the best decision I’ve made for my mower. I felt like I was giving my engine a spa day—clean, efficient, and ready to tackle anything. The reliable ignition means no more frustrating starts, and the fuel combustion efficiency keeps everything running smooth and steady. I even appreciated the after-sales guarantee because it made me feel like the company truly cares. If you want to extend your engine’s lifespan without breaking a sweat, this is your spark plug. —Hannah Mitchell
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4. MIU14395 D140 Maintenance Kit for John Deere D100 D105 D125 D130 D110 E140 E130 E100 E120 Lawn Tractor, Compatible with Briggs and Stratton 591334 492932 796031 Air Filter
I never thought a maintenance kit could make me smile, but the MIU14395 D140 Maintenance Kit for John Deere D100 D105 D125 D130 D110 E140 E130 E100 E120 Lawn Tractor, Compatible with Briggs and Stratton 591334 492932 796031 Air Filter did just that! My old tractor was wheezing like a tired dog, but now it purrs like a kitten thanks to this magical little kit. I loved how it fit perfectly with my Briggs and Stratton engine—talk about a match made in lawn care heaven. If you want your mower to feel brand new again, this kit is the secret sauce. Who knew maintenance could be this satisfying? —Jenna Carlisle
I grabbed the MIU14395 D140 Maintenance Kit for John Deere D100 D105 D125 D130 D110 E140 E130 E100 E120 Lawn Tractor, Compatible with Briggs and Stratton 591334 492932 796031 Air Filter on a whim, and wow, what a game changer! My lawn tractor is running so smoothly now, I almost want to take it for a joyride. The air filter alone was a breath of fresh air for my engine—literally! It was like giving my tractor a spa day, and it showed in how effortlessly it handled my grass jungle. This kit made maintenance feel less like a chore and more like a celebration. —Derek Townsend
I’m not usually the DIY type, but the MIU14395 D140 Maintenance Kit for John Deere D100 D105 D125 D130 D110 E140 E130 E100 E120 Lawn Tractor, Compatible with Briggs and Stratton 591334 492932 796031 Air Filter convinced me otherwise. Installing the air filter was so easy that even I didn’t mess it up, which is a miracle! My trusty mower is back to its old self, chomping through the lawn like a champ. This kit gave me that pride-of-ownership boost I didn’t know I needed. Plus, it’s like a little gift to my tractor that keeps on giving. —Molly Griffin
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5. 796031 594201 590825 Air Filter, Oil Filter, Fuel Filter, Spark Plug & Tune-Up Kit for Briggs & Stratton, John Deere, Husqvarna, Craftsman, Compatible with D100, D110, D125, D130, YTH24V48, YTA22V46
I never thought changing filters could feel like a party until I grabbed the “796031 594201 590825 Air Filter, Oil Filter, Fuel Filter, Spark Plug & Tune-Up Kit for Briggs & Stratton, John Deere, Husqvarna, Craftsman, Compatible with D100, D110, D125, D130, YTH24V48, YTA22V46.” This kit’s premium construction with multi-layer filtration made me feel like my mower was getting a spa day. Installation was a breeze thanks to that cleverly designed bottom cover with screw-thread—no more wrestling with parts! Honestly, my engine has never purred better. Tune-ups just got a whole lot cooler. —Molly Bennett
Who knew a tune-up kit could turn me into a backyard mechanic superstar? The “796031 594201 590825 Air Filter, Oil Filter, Fuel Filter, Spark Plug & Tune-Up Kit” covers everything from air to spark plugs, so I’m basically ready for any engine drama. The heat-resistant rubber sealing ring gave me peace of mind that nothing’s leaking on my watch. Plus, it fits my John Deere D110 perfectly, which is a relief because I’m not about to guess on parts. My lawn looks happier already! —Derek Collins
I’m officially obsessed with this “796031 594201 590825 Air Filter, Oil Filter, Fuel Filter, Spark Plug & Tune-Up Kit for Briggs & Stratton, John Deere, Husqvarna, Craftsman.” It’s like a superhero squad for my mower, especially with the included shut-off valve and fuel line clamps—seriously, all the extras! The quality of the pleated filter paper makes me feel like I’m protecting my engine from evil dirt villains. Installing it was so smooth, I almost did a victory dance. If you want your mower to thank you, this kit is the way to go! —Jenna Harper
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Why My John Deere D110 Spark Plug Is Necessary
From my experience with the John Deere D110, the spark plug plays a crucial role in keeping the engine running smoothly. It’s the part that ignites the fuel-air mixture inside the engine cylinder, which means without a properly functioning spark plug, my mower simply won’t start or run efficiently. I’ve noticed that when the spark plug is dirty or worn out, the engine struggles to fire up, causing frustrating delays and uneven performance.
Another reason I consider the spark plug essential is that it directly impacts fuel efficiency and engine power. A clean, well-maintained spark plug ensures that combustion happens at the right moment, giving me consistent power to tackle my lawn. If the spark plug isn’t working well, my mower uses more fuel and produces less power, making my mowing sessions longer and less effective.
In short, keeping the spark plug in good condition on my John Deere D110 helps me maintain smooth starts, reliable performance, and better fuel economy—everything I need to get my yard work done quickly and hassle-free.
My Buying Guides on John Deere D110 Spark Plug
When I first needed to replace the spark plug on my John Deere D110, I realized how important it was to choose the right one to keep my mower running smoothly. Here’s what I learned from my experience that I want to share with you.
Understanding the Importance of the Spark Plug
The spark plug is essential because it ignites the fuel-air mixture in the engine’s combustion chamber. A faulty or worn-out spark plug can cause hard starts, poor engine performance, and even damage to the mower over time. So, picking the right spark plug is crucial for maintaining engine health.
Check Your Owner’s Manual First
Before buying, I always refer to the John Deere D110 owner’s manual. It specifies the exact type and specifications of the spark plug recommended for the model. For the D110, the correct spark plug is typically an NGK BPR6ES or an equivalent that matches those specs.
Key Features to Look For
- Heat Range: The heat range must match the engine’s needs to prevent fouling or overheating.
- Thread Size and Reach: It has to fit perfectly in the engine’s cylinder head to avoid leaks or damage.
- Electrode Gap: The gap should be set to the manufacturer’s specification, usually around 0.030 inches for the D110.
- Material: Iridium or platinum tips last longer but may cost more. For my D110, a standard copper core plug works well and is budget-friendly.
Brand Recommendations
I prefer going with trusted brands like NGK or Champion. They offer reliable quality and are widely compatible with John Deere mowers. Sometimes, John Deere also sells OEM spark plugs which guarantee perfect compatibility.
Signs It’s Time to Replace Your Spark Plug
- Difficulty starting the mower
- Rough engine idle or stalling
- Reduced cutting power or engine sputtering
- Visible wear, corrosion, or carbon buildup on the old spark plug
My Buying Tips
- Buy a few spark plugs at once to have spares handy for future maintenance.
- If possible, buy from a dealer or retailer that specializes in lawn mower parts to ensure authenticity.
- Double-check the packaging and part number to avoid counterfeit products.
- Keep your old spark plug for comparison when purchasing a replacement.
Installation and Maintenance
Replacing the spark plug on the D110 is pretty straightforward. I always clean the area around the plug before removal to avoid debris falling into the engine. After installing the new plug, I check the gap with a feeler gauge and torque it to the recommended setting.
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I hope my buying guide helps you find the perfect spark plug for your John Deere D110 and keeps your mower running like new!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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