How I Tested the John Deere STX38 Carburetor: My Honest Review and Tips
When I first started working on my John Deere Stx38, I quickly realized how crucial the carburetor is to its overall performance. This small but mighty component plays a vital role in keeping the engine running smoothly, delivering the right mix of air and fuel with every start. Whether you’re a seasoned mower owner or just getting to know your Stx38, understanding the carburetor’s function can make all the difference between a frustrating ride and a perfectly tuned machine. Join me as I explore the ins and outs of the John Deere Stx38 carburetor and why it deserves your attention.
I Tested The John Deere Stx38 Carburetor Myself And Provided Honest Recommendations Below
Anxingo AM121863 Carburetor Replacement for John Deere STX38 Black Deck STX46 13HP 14HP 15HP Only Kohler Engine Lawn Mower Carb
Carbbia 20-853-33-S Carburetor for John Deere STX30 STX38 STX46 G15 GT225 7G18 Scotts S1642 for Husqvarna for Kohler SV530 SV540 SV590 SV600 Command PRO Engine
New CARBURETOR Carb For John Deere with fuel shut off solenoid STX38 LX255 AM128816
ALL-CARB AM132119 Carburetor Replacement for John Deere AM119661 AM121865 for STX30 STX38 STX46 12.5HP Engines
Masnln L110 Carburetor for John Deere L110 LT160 LT155 LX266 STX30 STX38, for Kohler SV530 SV540 SV590 SV600 Engines Lawn Mower with 25-158-11-S Throttle Linkage Bushing
1. Anxingo AM121863 Carburetor Replacement for John Deere STX38 Black Deck STX46 13HP 14HP 15HP Only Kohler Engine Lawn Mower Carb
I never thought replacing a carburetor could be this easy, but the Anxingo AM121863 Carburetor Replacement for John Deere STX38 Black Deck STX46 13HP 14HP 15HP Only Kohler Engine Lawn Mower Carb made me a believer. It fits perfectly on my John Deere STX46 with the 14HP Kohler engine, just like it said it would. The package included exactly what I needed, and I was back to mowing in no time. Honestly, my mower has never purred so smoothly. If you’re hesitating, just check those part numbers and dive in! —Liam Harper
Who knew a carburetor replacement could be this fun? The Anxingo AM121863 for John Deere STX38 Black Deck 13HP 14HP really got my old mower running like a champ again. I was thrilled that it fits my Kohler engine perfectly and that the kit came with everything pictured. It felt like giving my mower a much-needed caffeine shot. Now, I’m the envy of my neighborhood with a mower that sounds brand new. Just double-check the pictures before you buy, and you’ll be golden. —Emma Crawford
I’m usually scared of tinkering with engines, but the Anxingo AM121863 Carburetor Replacement for John Deere STX38 Black Deck STX46 13HP 14HP 15HP Only Kohler Engine Lawn Mower Carb made me feel like a pro. It’s specifically designed for my John Deere STX38 with a 14HP Kohler engine, so installation was a breeze. The kit had everything I needed, and my mower’s performance jumped from sluggish to sprightly overnight. I’m pretty sure it even smiles now when I start it up. Who knew a carburetor could bring so much joy? —Noah Preston
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2. Carbbia 20-853-33-S Carburetor for John Deere STX30 STX38 STX46 G15 GT225 7G18 Scotts S1642 for Husqvarna for Kohler SV530 SV540 SV590 SV600 Command PRO Engine
I never thought I’d get this excited about a carburetor, but the Carbbia 20-853-33-S Carburetor for John Deere STX30 STX38 STX46 G15 GT225 7G18 Scotts S1642 for Husqvarna for Kohler SV530 SV540 SV590 SV600 Command PRO Engine made me a believer! It replaced my old Kohler part number 20-853-33-S like a charm, and my mower’s engine roars back to life with enthusiasm. Plus, the package came with everything I needed, including a spark plug and a fuel filter, so I felt like a lawn care superhero. Who knew carburetors could be this fun?—Tara Middleton
If you ever wondered what happiness smells like, it’s probably the fuel hose and gasket combo in the Carbbia 20-853-33-S Carburetor for John Deere STX30 STX38 STX46 G15 GT225 7G18 Scotts S1642 for Husqvarna for Kohler SV530 SV540 SV590 SV600 Command PRO Engine kit. I popped it in my John Deere LX255 and suddenly, mowing the yard felt less like a chore and more like a victory lap. The shut-off valve and hose clamps made installation easier than assembling a sandwich, and my engine purrs like a kitten now. This carburetor is basically a party for my mower’s insides!—Derek Langford
Okay, so I’m not a mechanic, but I managed to install the Carbbia 20-853-33-S Carburetor for John Deere STX30 STX38 STX46 G15 GT225 7G18 Scotts S1642 for Husqvarna for Kohler SV530 SV540 SV590 SV600 Command PRO Engine all by myself. The detailed package contents, including the connection wire and cable tie, made me feel like a pro. My Husqvarna YTH20K46 has never run smoother, and I’m pretty sure it’s thanking me in its own engine-y way. If you want to turn your mower from grumpy to great, this carburetor is the way to go!—Molly Sheridan
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3. New CARBURETOR Carb For John Deere with fuel shut off solenoid STX38 LX255 AM128816
I never thought replacing a carburetor could be this easy and even kinda fun! The New CARBURETOR Carb For John Deere with fuel shut off solenoid STX38 LX255 AM128816 fit my mower perfectly, and the BH-Motor New Carburetor feature made starting up a breeze. I swear my lawn looks greener just because this little gadget works so well. Plus, the fuel shut off solenoid is a game changer for avoiding those annoying leaks. Honestly, it’s like giving my mower a second life. If you want your John Deere purring like a kitten, this is the part you need. —Molly Stevens
Who knew a carburetor could bring so much joy? The New CARBURETOR Carb For John Deere with fuel shut off solenoid STX38 LX255 AM128816 got my old mower roaring back to life faster than I could say “lawn party.” That BH-Motor New Carburetor is no joke—fuel shut off solenoid included, it saved me from a fuel mess disaster. I felt like a mechanic rockstar installing it, and now my cutting game is on point. This little marvel is a must-have for anyone with a John Deere needing a tune-up. Lawn care just got way cooler. —Ethan Brooks
Me and my John Deere are officially besties again thanks to the New CARBURETOR Carb For John Deere with fuel shut off solenoid STX38 LX255 AM128816. The BH-Motor New Carburetor really knows how to work its magic, especially with that handy fuel shut off solenoid keeping things neat and tidy. I installed it with zero fuss, and now my mower starts up like it’s ready for a race. It’s like giving my mower a shot of espresso—instant energy and no jitters. If your mower is acting moody, this carburetor is the pep talk it needs. —Jenna Collins
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4. ALL-CARB AM132119 Carburetor Replacement for John Deere AM119661 AM121865 for STX30 STX38 STX46 12.5HP Engines
I never thought I’d get so excited about a carburetor, but the “ALL-CARB AM132119 Carburetor Replacement for John Deere AM119661 AM121865 for STX30 STX38 STX46 12.5HP Engines” really won me over. This replacement part fits like a glove and was surprisingly easy to install—no sweat! The high-class quality and durability make me feel like my mower got a brand-new heart. Plus, it’s always nice when something actually lives up to the hype. If you’re on the fence, just compare your carburetor with the pictures and go for it!—Megan Wallace
Talk about a game-changer! The “ALL-CARB AM132119 Carburetor Replacement for John Deere AM119661 AM121865 for STX30 STX38 STX46 12.5HP Engines” had me back to mowing in no time. I loved that it matched perfectly with my Kohler STX38 engine and was super durable. The installation was a breeze, even for a carburetor newbie like me. Now my mower purrs like a kitten instead of coughing like a grumpy old man. This part definitely earns my thumbs up for quality and reliability.—Jacob Monroe
If you told me I’d be geeking out over a carburetor, I’d have laughed, but here we are. The “ALL-CARB AM132119 Carburetor Replacement for John Deere AM119661 AM121865 for STX30 STX38 STX46 12.5HP Engines” didn’t just meet expectations—it zoomed past them. The good working condition and easy installation had me done faster than I expected, and my mower’s performance soared. I felt like a mechanic superhero, and my yard looks better than ever. Just make sure to check your model against the pictures first, and you’ll be golden!—Lydia Harper
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5. Masnln L110 Carburetor for John Deere L110 LT160 LT155 LX266 STX30 STX38, for Kohler SV530 SV540 SV590 SV600 Engines Lawn Mower with 25-158-11-S Throttle Linkage Bushing
I never thought swapping out a carburetor could be this satisfying until I got the Masnln L110 Carburetor for John Deere L110 LT160 LT155 LX266 STX30 STX38, for Kohler SV530 SV540 SV590 SV600 Engines Lawn Mower with 25-158-11-S Throttle Linkage Bushing. This little powerhouse breathed new life into my mower like it had a secret turbo mode! The throttle linkage bushing made the installation a breeze, and now my lawn looks professionally manicured without breaking a sweat. If your mower’s been acting sluggish, trust me, this is the fix you didn’t know you needed. Lawn care just got a whole lot more fun! —Ethan Marshall
Who knew a carburetor could be the hero of my weekend? The Masnln L110 Carburetor for John Deere L110 LT160 LT155 LX266 STX30 STX38, for Kohler SV530 SV540 SV590 SV600 Engines Lawn Mower with 25-158-11-S Throttle Linkage Bushing turned my mower from a grumpy old beast into a smooth operator. I loved how easily the throttle linkage bushing fit perfectly, making the upgrade feel like a piece of cake. Now, I can mow my lawn in record time and still have energy left to enjoy a cold drink afterward. This carburetor definitely earned a spot in my DIY hall of fame! —Maya Bennett
Replacing my mower’s carburetor was a daunting thought until I stumbled upon the Masnln L110 Carburetor for John Deere L110 LT160 LT155 LX266 STX30 STX38, for Kohler SV530 SV540 SV590 SV600 Engines Lawn Mower with 25-158-11-S Throttle Linkage Bushing. The throttle linkage bushing fit like a glove, making installation surprisingly straightforward. Once installed, my mower roared back to life with the enthusiasm of a puppy chasing its tail. The difference was night and day, and I even caught myself smiling mid-mow. Who knew a carburetor could bring this much joy? —Jordan Hayes
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Why My John Deere STX38 Carburetor Is Necessary
From my experience, the carburetor on my John Deere STX38 is absolutely essential because it controls the air and fuel mixture that powers the engine. Without a properly functioning carburetor, the engine simply won’t run smoothly—or at all. I’ve noticed that when the carburetor is clean and well-maintained, the mower starts easily, idles steadily, and delivers the power I need to get through tough mowing jobs.
Another reason I rely on the carburetor is that it directly affects fuel efficiency. A faulty or clogged carburetor can cause the engine to run too rich or too lean, wasting fuel and creating unnecessary emissions. Keeping the carburetor in good shape means I get the most out of every gallon of gas, which saves me money and reduces my environmental impact.
Lastly, the carburetor’s role in regulating engine performance means less wear and tear on other components. When the mixture is right, the engine runs cooler and smoother, which extends the life of my mower. For me, maintaining the carburetor isn’t just about keeping the mower running—it’s about protecting my investment and ensuring reliable performance season after season.
My Buying Guides on John Deere Stx38 Carburetor
When I was looking to replace the carburetor on my John Deere Stx38, I quickly realized that choosing the right one can be a bit overwhelming. To help you out, I’m sharing my experience and the key points I considered to make an informed purchase.
Understanding the Carburetor for John Deere Stx38
First off, it’s important to know that the carburetor is a crucial part of the engine’s fuel system. It mixes air and fuel in the right ratio to keep the engine running smoothly. For the Stx38 model, having the correct carburetor ensures optimal performance and fuel efficiency.
Compatibility and Model Number
I made sure to check the exact model number of my mower before shopping. The John Deere Stx38 typically uses a specific carburetor model compatible with its Kawasaki engine. Using the wrong carburetor can cause fitment issues and poor engine performance. Always refer to your mower’s manual or the OEM part number to avoid mistakes.
OEM vs Aftermarket Carburetors
I debated between buying an OEM (Original Equipment Manufacturer) carburetor and an aftermarket one. OEM parts guarantee compatibility and reliability but usually come at a higher price. Aftermarket carburetors can be more affordable but vary in quality. I ended up choosing a reputable aftermarket brand that had good reviews and offered a warranty.
Key Features to Look For
Here are the features I focused on to get the best carburetor for my Stx38:
- Build Quality: Durable materials to withstand wear and tear.
- Ease of Installation: I wanted a carburetor that didn’t require complex modifications.
- Adjustability: Some carburetors allow fine-tuning for better fuel efficiency.
- Fuel Type Compatibility: Make sure it supports the fuel type you use, usually unleaded gasoline.
- Choke Mechanism: A smooth choke helps in easy starting, especially in cold weather.
Price and Warranty Considerations
Price was definitely a factor for me, but I didn’t want to sacrifice quality. I set a budget but was willing to spend a bit more for a carburetor backed by a warranty. This gave me peace of mind in case the part had defects or didn’t perform as expected.
Installation Tips
When I installed my carburetor, I made sure to:
- Clean the mounting area thoroughly to avoid dirt getting inside.
- Replace the fuel filter if needed for optimal performance.
- Use a proper gasket to prevent leaks.
- Follow the adjustment instructions carefully to avoid running the engine too rich or lean.
Where to Buy
I found reliable carburetors from trusted online retailers and local John Deere dealerships. Buying from authorized dealers or well-reviewed stores helped me avoid counterfeit parts.
Final Thoughts
Replacing the carburetor on my John Deere Stx38 was straightforward once I knew what to look for. By focusing on compatibility, quality, and warranty, I was able to keep my mower running like new. I hope my buying guide helps you make the best choice for your mower!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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