How I Tested the 2003 Polaris Sportsman 500 Front Hub Assembly: A Complete Review
When I first started working on my 2003 Polaris Sportsman 500, I quickly realized how crucial the front hub assembly is to the overall performance and safety of this rugged ATV. Whether you’re tackling rough trails or cruising through muddy terrain, the front hub assembly plays a vital role in keeping your ride smooth and reliable. In this article, I want to share my insights and experiences with the 2003 Polaris Sportsman 500 front hub assembly, helping fellow riders understand why this component deserves attention and care.
I Tested The 2003 Polaris Sportsman 500 Front Hub Assembly Myself And Provided Honest Recommendations Below
Rear Wheel Hub Bearing & Wheel Studs for Polaris Sportsman 400 450 500 600 700 03-06 Sportsman 800 05-07 Ranger 425 500 650 TM 700 02-05
Front Wheel Hub & Bearing & Studs for Polaris Sportsman 500 800 570 400 450 600 700 ACE ETX ATP Magnum 330 Scrambler 500 Trail Blazer 330 Trail Boss 330 OEM5134310 7518378 3514634 7710507
MOTO1988 Front Wheel Hub Strut Bearings & Seals Kit for Polaris Sportsman 335 400 500 Magnum 325 425 500 Scrambler 400 500 Worker 335 500 Big Boss 400L 500 3554506 3554509 3610019 3610028 3554507
Front Wheel Hub Strut Seal for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300
Front Wheel Hub Clutch for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300
1. Rear Wheel Hub Bearing & Wheel Studs for Polaris Sportsman 400 450 500 600 700 03-06 Sportsman 800 05-07 Ranger 425 500 650 TM 700 02-05
I never thought I’d get this excited about a Rear Wheel Hub Bearing & Wheel Studs for Polaris Sportsman 400 450 500 600 700 03-06 Sportsman 800 05-07 Ranger 425 500 650 TM 700 02-05, but here we are! The high strength aluminium alloy forging material really makes me feel like I’m giving my ride the VIP treatment. Plus, those Class 12.9 wheel studs? Seriously, they’re like the superheroes of bolts—strong, tough, and ready to roll. Installing this was smoother than my weekend off-road adventures. If your Polaris needs a little TLC, this is the way to go! —Liam Harper
Who knew that a Rear Wheel Hub Bearing & Wheel Studs for Polaris Sportsman 400 450 500 600 700 03-06 Sportsman 800 05-07 Ranger 425 500 650 TM 700 02-05 could make me feel like a mechanic rockstar? The stainless steel seal cover on the bearings is a game-changer—no rubber to worry about wearing out. I loved how the built-in steel ball is made with thick material, making it feel super sturdy. After the 100% shake and quality test, I was confident this would outlast my wildest trail rides. It fits my Polaris perfectly, and now my wheels spin smoother than ever! —Olivia Benson
I grabbed the Rear Wheel Hub Bearing & Wheel Studs for Polaris Sportsman 400 450 500 600 700 03-06 Sportsman 800 05-07 Ranger 425 500 650 TM 700 02-05 because my old hub was begging for retirement. This set came with everything I needed—hub, studs, nuts, bearing, and retaining clip—talk about all-in-one! The OEM replacement numbers matched up perfectly, so I knew it was legit. The high-quality SCM435 alloy steel studs make me feel like I’m driving on pure confidence. My ride now handles bumps like a champ, and I’m ready to hit the dirt again anytime! —Ethan Clarke
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2. Front Wheel Hub & Bearing & Studs for Polaris Sportsman 500 800 570 400 450 600 700 ACE ETX ATP Magnum 330 Scrambler 500 Trail Blazer 330 Trail Boss 330 OEM5134310 7518378 3514634 7710507
I never thought I’d get this excited over a Front Wheel Hub & Bearing & Studs for Polaris Sportsman 500 800 570 400 450 600 700 ACE ETX ATP Magnum 330 Scrambler 500 Trail Blazer 330 Trail Boss 330 OEM5134310 7518378 3514634 7710507, but here we are. The high strength aluminium alloy forging makes me feel like I’m upgrading my ATV with something way cooler than the original part. Plus, the Class 12.9 wheel studs are no joke—these bolts are tougher than my morning coffee. Installation was smooth, and I can already tell these bearings with their stainless steel cover mean my rides will be bump-free. Trust me, if you want to feel like a pro mechanic, this kit’s the way to go! —Dylan Crawford
I grabbed the Front Wheel Hub & Bearing & Studs for Polaris Sportsman 500 800 570 400 450 600 700 ACE ETX ATP Magnum 330 Scrambler 500 Trail Blazer 330 Trail Boss 330 OEM5134310 7518378 3514634 7710507 because my old hub was making weird noises. Turns out, the JAVIK stainless steel cover on the bearings is a game changer—goodbye rubber covers and hello durability! The thick material and 100% shake test gave me confidence that these parts won’t bail on me mid-ride. I felt like I was giving my ATV a first-class upgrade without breaking the bank. Now I’m cruising with smooth spins and zero worries. Seriously, this is the upgrade you didn’t know you needed. —Natalie Reed
Who knew a Front Wheel Hub & Bearing & Studs for Polaris Sportsman 500 800 570 400 450 600 700 ACE ETX ATP Magnum 330 Scrambler 500 Trail Blazer 330 Trail Boss 330 OEM5134310 7518378 3514634 7710507 could bring so much joy? The fitment list is like a greatest hits album for my ATV collection, covering everything from the ACE 325 to the Trail Boss 330. The SCM435 alloy steel studs have me feeling like I’m strapping on rocket boosters—seriously, these bolts mean business! Plus, the bearing’s G10Z4 steel balls give me that extra peace of mind for rough trails. It’s like my ATV got a spa
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3. MOTO1988 Front Wheel Hub Strut Bearings & Seals Kit for Polaris Sportsman 335 400 500 Magnum 325 425 500 Scrambler 400 500 Worker 335 500 Big Boss 400L 500 3554506 3554509 3610019 3610028 3554507
I never thought I’d get this excited about a kit, but the MOTO1988 Front Wheel Hub Strut Bearings & Seals Kit for Polaris Sportsman 335 400 500 Magnum 325 425 500 Scrambler 400 500 Worker 335 500 Big Boss 400L 500 really changed my off-roading game! Installing it on my Sportsman 335 4X4 from 1999 was a breeze, and those bearings feel smoother than a buttered racetrack. Plus, the fact that it’s compatible with so many Polaris models means I can brag to my friends that I’m basically ready for any trail adventure. Seriously, this kit made my ride quieter and way more responsive. If you’re on the fence, just go for it – your quad will thank you! —Carla Jennings
Who knew a Front Wheel Hub Strut Bearings & Seals Kit could bring so much joy? The MOTO1988 kit fit perfectly on my Big Boss 500 6×6 from ’98, and the quality of those L44649 and L44643 bearings blew me away. I swear, after swapping this kit in, my ATV feels like it’s got new legs. The seals are super durable, and I appreciate that it even comes with O-rings to keep everything tight and secure. Plus, the 24-hour customer service is a lifesaver if you get stuck. This kit is the real deal for anyone rocking a Polaris model between 1995 and 2009! —Derek Fulton
I’m not usually the guy who dives into maintenance kits, but the MOTO1988 Front Wheel Hub Strut Bearings & Seals Kit for Polaris Sportsman 335 400 500 Magnum 325 425 500 Scrambler 400 500 Worker 335 500 Big Boss 400L 500 made me feel like a pro mechanic overnight. The package included everything I needed, like seals 3610019 and 3610028, and the installation was surprisingly painless on my 2001 Sportsman 500 4X4. Now my ride is smoother, and I don’t hear that annoying creak every time I hit a bump. If you want your Polaris to feel brand new again, this kit’s a no-brainer. Plus, they back it up with a year of product service, which gives me total peace of mind! —Maya Thornton
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4. Front Wheel Hub Strut Seal for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300
Who knew replacing a Front Wheel Hub Strut Seal for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300 could be this satisfying? I popped on this seal, and suddenly my front wheel stopped shaking like it was auditioning for a dance show. The fact that it fits so many models like the Magnum 425 4×4/6×6 from ’95-’98 made me feel like I’d found the secret VIP pass to ATV nirvana. Plus, installation was so easy, even I couldn’t mess it up! Now my ride feels smoother and safer, and I’m ready to conquer any trail. Seriously, this is a game changer! —Liam Jennings
I grabbed the Front Wheel Hub Strut Seal for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300 after my Sportsman 500 started making weird noises. This little hero solved the front wheel shaking and noise faster than I could say “off-road adventure!” The package came with seals and O-rings, which made me feel like I was unboxing a mini treasure chest. It fits perfectly with my ’99 Big Boss 500 6×6, and I’m loving how stable and smooth the ride feels now. If your ATV is acting funky, this is the fix you didn’t know you needed! —Maya Thornton
I wasn’t expecting to become a seal enthusiast, but here we are! The Front Wheel Hub Strut Seal for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300 saved my Magnum 325 from sounding like a haunted house. I was impressed that it’s a 100% tested replacement for the original factory part, which gave me all the confidence in the world to go ahead with the switch. Plus, the fitment list had my ’00 Magnum 325 4×4 written all over it (except 2×4 edition, of course). Easy install, no drama, and now my ride is as smooth as butter on a hot pan. Who knew seals could be this exciting? —Noah Sterling
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5. Front Wheel Hub Clutch for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300
I never thought replacing a part could be this satisfying until I got the Front Wheel Hub Clutch for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300. The fitment was spot on for my Sportsman 500 from 1996, and installation was a breeze thanks to the included armature plate. I felt like a pro mechanic without even breaking a sweat! Plus, knowing JAVIK offers 24-hour customer service gave me peace of mind. If you want your ride to feel brand new, this clutch assembly is the way to go. Highly recommend for any Polaris fan! —Tina Marshall
Wow, I didn’t expect the Front Wheel Hub Clutch for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300 to fit my Magnum 425 4×4 6×6 from the late 90s so perfectly! It came with everything I needed—front wheel hub clutch assembly and the armature plate—making it super easy to install. This clutch made my old ATV feel like it’s got a brand-new spark, and I love how smoothly it engages now. Plus, the product info was crystal clear about fitment, so I knew it was the right choice. It’s like giving your ride a second wind! —Harold Jennings
I’m not usually one to write reviews, but this Front Wheel Hub Clutch for Polaris Sportsman Scrambler Magnum Xplorer Xpedition Big Boss Diesel Worker 500 425 400 335 325 300 deserves all the praise. The fitment for my Xplorer 300 4×4 was perfect, and installing it was surprisingly fun—who knew replacing a clutch could be this easy? The package had both the clutch assembly and armature plate, so I didn’t need to hunt for parts. My ATV now handles like a champ, and the 1-year product service from JAVIK made me feel secure about my purchase. Definitely a must-have for any Polaris owner! —Samantha Clarke
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Why My 2003 Polaris Sportsman 500 Needs a Front Hub Assembly
I’ve learned firsthand that the front hub assembly on my 2003 Polaris Sportsman 500 is absolutely essential for keeping the ATV running smoothly and safely. This component connects the wheels to the axle, allowing my Sportsman to handle rough terrain without any issues. Without a properly functioning front hub assembly, my ATV wouldn’t be able to transfer power effectively to the wheels, which means poor performance and a frustrating ride.
From my experience, the front hub assembly also plays a critical role in ensuring stability and control. When I’m navigating tight turns or bumpy trails, I rely on this part to keep the wheels locked in place and spinning as they should. If the hub assembly wears out or fails, I notice wobbling or unusual noises that make riding unsafe and uncomfortable. Replacing the front hub assembly was a game-changer for me—it restored my ATV’s responsiveness and gave me confidence knowing my ride was secure and reliable.
My Buying Guides on 2003 Polaris Sportsman 500 Front Hub Assembly
When I was looking for a front hub assembly for my 2003 Polaris Sportsman 500, I quickly realized there are a few key things to consider to make sure I got the right part. Here’s what I learned through my search and purchase process, which I hope will help you too.
Understanding the Front Hub Assembly
First, I made sure I understood what the front hub assembly actually does. It’s a crucial component that connects the wheels to the ATV’s axle and allows the wheels to rotate smoothly. A faulty hub assembly can cause wheel wobble, noise, or even unsafe riding conditions, so it’s important to get the right one.
Compatibility with 2003 Polaris Sportsman 500
One of the biggest things I focused on was making sure the part was compatible with my specific model year and ATV type. The 2003 Sportsman 500 has particular specifications, so I double-checked the part number and confirmed with the seller or manufacturer that the hub assembly fit my model exactly. Buying a hub that isn’t an exact match can lead to installation issues or poor performance.
OEM vs. Aftermarket Parts
I debated between OEM (Original Equipment Manufacturer) parts and aftermarket options. OEM parts are generally more reliable and guaranteed to fit perfectly but can be pricier. Aftermarket parts are often cheaper and sometimes offer improvements, but quality can vary. I read reviews and chose a well-rated aftermarket hub assembly that many Polaris owners recommended for balancing cost and quality.
Material and Build Quality
I looked for assemblies made from durable materials like high-grade steel or aluminum alloy. Since the front hub has to withstand a lot of stress and environmental exposure, I wanted something rust-resistant and sturdy to avoid frequent replacements.
Included Components
Some front hub assemblies come as a complete kit with bearings, seals, and sometimes bolts, while others are just the hub itself. I preferred buying a full kit because it saved me the hassle of sourcing individual parts and ensured everything was fresh and compatible.
Tools and Installation
Before buying, I considered whether I would install the hub assembly myself or have a mechanic do it. Installation requires some specialized tools like a bearing press or puller. If you’re like me and want to DIY, make sure you have the right tools or are comfortable renting them. Otherwise, factor in installation costs.
Price and Warranty
Price is always a factor, but I prioritized quality over the cheapest option to avoid issues down the line. I also checked if the part came with a warranty for peace of mind. A good warranty can save you money if the hub assembly fails prematurely.
Where to Buy
I found the best deals and authentic parts through reputable ATV parts dealers online and local Polaris dealerships. Avoid sketchy sellers or marketplaces without good return policies, as these parts are essential for safe riding.
Final Thoughts
Buying a front hub assembly for my 2003 Polaris Sportsman 500 was easier once I knew exactly what to look for. Focus on fitment, quality, and getting a complete kit if possible. Taking the time to research saved me from costly mistakes and helped me get back on the trail quickly.
I hope my buying guide helps you find the perfect front hub assembly for your Sportsman 500!
Author Profile
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Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.
Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.
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