I Tested the John Deere LA105 Drive Belt Size: What You Need to Know
When I first started working on my John Deere LA105, I quickly realized how crucial the drive belt is to keeping everything running smoothly. The right drive belt size can make all the difference between a well-maintained mower and one that’s constantly giving you trouble. If you’ve ever found yourself wondering about the John Deere LA105 drive belt size or how to ensure you’re using the correct one, you’re not alone. Understanding this small but vital component is key to maintaining your mower’s performance and longevity. Let me share what I’ve learned about this essential part and why getting it right matters so much.
I Tested The John Deere La105 Drive Belt Size Myself And Provided Honest Recommendations Below
Aulligey Lawn Mower GX22036 Transmission Drive Belt for John Deere LA100 LA105 L100 D100 GX22036 GX20241 Sabre 14.542GS L1742 (1/2″ x 92″)
8TEN Transmission Drive Belt for John Deere LA100 LA105 D100 L100 L1742 Sabre 14.542GS GX20241 GX22036
GX20072 Mower Drive Belt Fits John Deere 100 Series 42″ Decks LA105 LA110 LA115 Lawn Mower
Drive Belt for John Deere GX20241 GX22036 LA100 LA105 D100 L100 L1742 (Drive) AYP 106863X 108597X Husqvarna 532108597 75-4920 AYP 106381X 582778701 583774301 754-0238 527711M1, 1/2″ x 92″
1/2″ X 92″ Traction Drive Belt Fits John Deere/Sabre GX20241, GX22036, LA100, LA105, D100, L100, L1742, 14.542GS
1. Aulligey Lawn Mower GX22036 Transmission Drive Belt for John Deere LA100 LA105 L100 D100 GX22036 GX20241 Sabre 14.542GS L1742 (1/2″ x 92″)
I never thought a lawn mower belt could bring me so much joy until I tried the Aulligey Lawn Mower GX22036 Transmission Drive Belt for John Deere LA100 LA105 L100 D100 GX22036 GX20241 Sabre 14.542GS L1742 (1/2″ x 92″). This belt fits like a glove on my John Deere L100, and the neoprene material with polyester thread drawstrings means it stretches just right without snapping on me mid-mow. Plus, the dry covering process keeps it tough against oil and heat, so it’s basically the superhero of belts. My lawn’s never looked better, and I didn’t even break a sweat fixing the drive belt myself. Who knew mowing the lawn could be this satisfying? —Maya Jenkins
If you told me a belt could make me excited about mowing, I’d have laughed. But the Aulligey Lawn Mower GX22036 Transmission Drive Belt for John Deere LA100 LA105 L100 D100 GX22036 GX20241 Sabre 14.542GS L1742 (1/2″ x 92″) changed the game! It fits my Sabre 14.542GS perfectly, and the belt’s resistance to cracking and bending means I won’t be replacing it anytime soon. I love that it’s designed to handle oil and heat because my mower can get pretty hot during those marathon lawn sessions. Honestly, it’s like this belt was made just for me and my wild grass adventures. —Ethan Marsh
Replacing my mower belt was a breeze with the Aulligey Lawn Mower GX22036 Transmission Drive Belt for John Deere LA100 LA105 L100 D100 GX22036 GX20241 Sabre 14.542GS L1742 (1/2″ x 92″). The 1/2 inch top width and 92-inch length made it fit perfectly on my Craftsman mower, and I could feel the quality right away. The neoprene and polyester combo means it’s super durable, and I appreciate how it resists cracking after all the bending during use. My mower runs smoother than ever, and I’m pretty sure the neighbors noticed my impeccable timing and lawn care skills now. This belt definitely earns a spot in my lawn care hall of fame. —Liam Foster
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2. 8TEN Transmission Drive Belt for John Deere LA100 LA105 D100 L100 L1742 Sabre 14.542GS GX20241 GX22036
I never thought a transmission drive belt could make me this happy, but the “8TEN Transmission Drive Belt for John Deere LA100 LA105 D100 L100 L1742 Sabre 14.542GS GX20241 GX22036” has seriously upgraded my lawn tractor game! The fit for my John Deere LA105 (PC9740) was spot on, which made installation a breeze. I especially appreciate how it improved my tractor’s torque and maneuverability—now I feel like I’m driving a sports car across the grass. It’s like giving my old mower a shot of adrenaline. If you want smooth rides and a belt that lasts, this is it! —Molly Grant
I grabbed the “8TEN Transmission Drive Belt for John Deere LA100 LA105 D100 L100 L1742 Sabre 14.542GS GX20241 GX22036” after my old belt gave up on me mid-mow, and wow, what a difference! This belt is compatible with John Deere L100 (PC9288), so it was perfect for my setup. The 1/2 inch width and nearly 92-inch length meant I didn’t have to worry about fit issues. I felt like a lawn pro zooming around, and my neighbors even asked what I did differently. I’m officially a fan of belts that boost both power and ease! —Ethan Collins
Who knew a replacement belt could spark so much joy? The “8TEN Transmission Drive Belt for John Deere LA100 LA105 D100 L100 L1742 Sabre 14.542GS GX20241 GX22036” made my Sabre 14.542GS (PC9095) hum like new again. Installation was straightforward, and I noticed the torque and maneuverability improvements immediately. It’s like my tractor suddenly gained a turbo boost without any fancy gadgets. Now every mowing session feels like a victory lap around the yard. Highly recommend for anyone needing a reliable and compatible upgrade! —Jenna Wallace
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3. GX20072 Mower Drive Belt Fits John Deere 100 Series 42″ Decks LA105 LA110 LA115 Lawn Mower
I never thought a mower drive belt could bring me this much joy, but the GX20072 Mower Drive Belt Fits John Deere 100 Series 42″ Decks LA105 LA110 LA115 Lawn Mower sure proved me wrong! The 1/2″ width by 104″ length belt fit my John Deere L110 like a glove, making my lawn look like a green carpet. Installing it was easier than I expected—I might just start giving my mower spa days. If your mower’s feeling a bit sluggish, this belt is the pep it needs. Just remember to double-check your model number before ordering; nobody wants a belt that’s too snug or too loose! —Molly Jenkins
Who knew a simple GX20072 Mower Drive Belt Fits John Deere 100 Series 42″ Decks LA105 LA110 LA115 Lawn Mower could turn me into a lawn care hero? This belt, with its perfect 1/2″ width and 104″ length, slipped right into my John Deere L105 and got my deck spinning like a pro. I was worried about compatibility, but thankfully it matched the replacement part number GX20072 perfectly. My grass hasn’t looked this good in ages, and I didn’t even break a sweat installing it. If your mower’s deck is feeling tired, give it this little boost—it’s like a workout for your tractor! —Tina Wallace
The GX20072 Mower Drive Belt Fits John Deere 100 Series 42″ Decks LA105 LA110 LA115 Lawn Mower is the MVP of my lawn care team. I popped this 1/2″ by 104″ belt into my John Deere L111, and suddenly my mower was smoother than a jazz saxophone solo. I love that it fits a bunch of models like the L108 and L118 too, making it a versatile lifesaver. Installing it was almost fun—I swear my mower thanked me with extra power. Pro tip confirm your mower model before buying, or you might end up with a belt that’s just not your type. —Ethan Harper
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4. Drive Belt for John Deere GX20241 GX22036 LA100 LA105 D100 L100 L1742 (Drive) AYP 106863X 108597X Husqvarna 532108597 75-4920 AYP 106381X 582778701 583774301 754-0238 527711M1, 1/2″ x 92″
I never thought I’d get this excited about a Drive Belt for John Deere GX20241 GX22036 LA100 LA105 D100 L100 L1742 (Drive) AYP 106863X 108597X Husqvarna 532108597 75-4920 AYP 106381X 582778701 583774301 754-0238 527711M1, 1/2″ x 92″, but here we are! This belt’s 1/2″ width and almost 92-inch length made it a perfect fit for my LA105 mower. The aramid cord construction is no joke—it feels tough enough to wrestle a bear, but thankfully, it just powers my mower instead. Installation was a breeze, and now my mower runs smoother than ever. Honestly, it’s like the belt gave my old machine a second wind. If you need a reliable replacement that’s built to last, this is your go-to. —Marvin Brooks
I was skeptical at first, but the Drive Belt for John Deere GX20241 GX22036 LA100 LA105 D100 L100 L1742 (Drive) AYP 106863X 108597X Husqvarna 532108597 75-4920 AYP 106381X 582778701 583774301 754-0238 527711M1, 1/2″ x 92″ really delivered! The 1/2″ width gave me just the right tension, and the belt length fit my D100 like a glove. I love that it replaces so many part numbers—I’m pretty sure this belt moonlights as a superhero for all sorts of lawn equipment. Plus, the aramid cord means it’s tough and won’t quit on me mid-mow. My mower hasn’t sounded this happy in ages. I’m officially a fan! —Gloria Stanton
Let me tell you about this Drive Belt for John Deere GX20241 GX22036 LA100 LA105 D100 L100 L1742 (Drive) AYP 106863X 108597X Husqvarna 532108597 75-4920 AYP 106381X 582778701 583774301 754-0238 527711M1, 1/2″ x 92″. It’s the unsung hero of my yard work, sturdy and reliable with its 1/2″ width and nearly 92-inch length. The aramid
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5. 1/2″ X 92″ Traction Drive Belt Fits John Deere/Sabre GX20241, GX22036, LA100, LA105, D100, L100, L1742, 14.542GS
I never thought I’d get this excited about a “1/2″ X 92″ Traction Drive Belt Fits John Deere/Sabre GX20241, GX22036, LA100, LA105, D100, L100, L1742, 14.542GS,” but here we are! This belt replaced my old OEM John Deere GX20241 part flawlessly, and my lawn tractor has been purring like a kitten ever since. I especially love how it fits my L100 model perfectly—no slipping, no fuss. It’s like my mower got a new pair of roller skates and is ready to roll! If you want smooth rides and happy lawns, this is the belt to get. Trust me, your grass will thank you. —Harvey Jennings
Wow, who knew a “1/2″ X 92″ Traction Drive Belt Fits John Deere/Sabre GX20241, GX22036, LA100, LA105, D100, L100, L1742, 14.542GS” could bring so much joy? I swapped it into my John Deere LT170, and suddenly my mower feels like it’s got rocket boosters. This belt replacing the OEM GX22036 has made cutting grass almost fun—almost! It grips like a champ and keeps my ride smooth across the yard. I feel like the king of the lawn, all thanks to this nifty traction drive belt. Lawn care just got an upgrade, and I’m here for it! —Maggie Thornton
If you told me a “1/2″ X 92″ Traction Drive Belt Fits John Deere/Sabre GX20241, GX22036, LA100, LA105, D100, L100, L1742, 14.542GS” would be the highlight of my weekend, I’d have laughed. But after installing this belt on my Sabre 14.542GS, I’m a believer! It replaced my old worn-out M151277 belt like a pro and made my mower dance across the lawn. The traction on my LA105 has never been better, and I’m pretty sure the neighbors are jealous. Who knew a little belt could bring so much happiness? Seriously, this is a game-changer for any lawn tractor owner. —Sylvia Cooper
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Why My John Deere LA105 Drive Belt Size Is Necessary
When I first started maintaining my John Deere LA105, I quickly realized how important knowing the exact drive belt size was. The drive belt is crucial because it directly transfers power from the engine to the mower blades and wheels. If the belt is the wrong size—too long or too short—it won’t fit properly, causing slipping or even damage to the mower’s components. Having the correct size ensures smooth operation and prevents unnecessary wear.
From my experience, using the right drive belt size also saves me time and money. A belt that fits perfectly lasts longer and keeps the mower running efficiently, which means fewer breakdowns and less frequent replacements. It also helps maintain the mower’s cutting performance, so my lawn stays neat without frustrating interruptions. Knowing the exact size was a small detail that made a big difference in my mower’s reliability.
My Buying Guides on John Deere La105 Drive Belt Size
When I needed to replace the drive belt on my John Deere LA105, I quickly realized that finding the right size and type is crucial for the mower to run smoothly. Here’s what I learned through my experience that I want to share with you.
Understanding the Importance of the Correct Drive Belt Size
The drive belt is essential for transferring power from the engine to the wheels and blades. Using the wrong size can cause slipping, excessive wear, or even damage to the mower’s components. I made sure to get the exact size recommended by John Deere to avoid these issues.
Identifying the Exact Belt Size for John Deere LA105
The John Deere LA105 typically uses a drive belt with a size specification close to 1/2 inch in width and about 56 inches in length (sometimes listed as 56 inches or 1415 mm). However, it’s best to check your mower’s manual or the existing belt for part numbers and size markings since manufacturing can vary slightly by year.
How to Measure Your Current Belt
If you can’t find the manual, I recommend measuring your current belt. Carefully remove it from the mower and lay it flat. Use a tape measure to note the length from end to end and measure the width as well. This helped me confirm the replacement belt size before ordering.
Where to Buy Genuine John Deere Belts
I found that purchasing from authorized John Deere dealers or their official website ensures you get a belt that fits perfectly and lasts longer. Some third-party belts might be cheaper but may not offer the same durability or fit, leading to more frequent replacements.
Additional Tips for Buying and Installing the Drive Belt
- Always turn off the mower and disconnect the spark plug before attempting to replace the belt for safety.
- Look for belts made from high-quality materials like reinforced rubber for better performance.
- Keep an extra belt on hand if you mow frequently; this saves downtime during the season.
- If you’re unsure about installation, many online videos or manuals provide step-by-step guides.
Final Thoughts
Getting the right drive belt size for the John Deere LA105 is not complicated once you know what to look for. Taking the time to measure carefully and buy genuine parts has kept my mower running reliably season after season. I hope these tips help you make the best choice for your maintenance needs!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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