Looking for the best main gearcases to enhance your vehicle’s performance? We’ve tested and reviewed the top 10 options, offering expert advice to help you find the perfect fit for a smooth and reliable upgrade.
Main gearcases are the heart of your vehicle’s performance. They ensure smooth shifts and reliable power. Choosing the right one is key to keeping your ride in top shape.
We’ve tested and reviewed the best main gearcases on the market. From OEM parts to premium upgrades, we’ve got you covered. Our guide makes it easy to find the perfect fit for your vehicle.
Get ready to upgrade your ride with confidence. Our expert advice will help you make the right choice. Let’s dive in and discover the best main gearcases for your needs.
List of Top 10 Main Gearcases
| Image | Title | Best For | Price |
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Main Gearcase Bellcrank For Polaris RZR 570 ACE 900 2012-2022 3235397 3235386 |
This Main Gearcase Bellcrank is perfect for Polaris RZR 570 and ACE 900 owners who need a reliable replacement part. It fits specific models from 2012 to 2022, ensuring a perfect match for your vehicle. |
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Polaris Main Gearcase Assembly, 700, Genuine OEM Part 1332701, Qty 1 |
This Polaris Main Gearcase Assembly is perfect for owners of Ranger 700 6X6, Ranger HD 700, Ranger XP 700, or Ranger XP 700 Limited models. It’s a genuine OEM part that fits perfectly and keeps your vehicle running smoothly. |
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Align H60200 600Pro Main Gear Case Set |
The Align H60200 600Pro Main Gear Case Set is perfect for RC helicopter enthusiasts and professionals who want reliable, high-quality parts. Whether for fun or commercial use, this set ensures lasting performance and smooth operation. |
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Polaris OEM Main Gearcase 38T Sector Gear 2009-2017 Sportsman XP X2 SP 3234694 |
This Polaris OEM Main Gearcase 38T Sector Gear is perfect for owners of 2009-2017 Sportsman XP X2 SP models. It’s a reliable replacement part for keeping your ATV running smoothly. |
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Polaris OEM Main Gearcase 61T Reverse Gear 2016-2017 RZR XP 4 & Turbo 3235813 |
This Polaris OEM Main Gearcase is perfect for owners of 2016-2017 RZR XP 4 & Turbo models who need a reliable replacement part. It’s easy to verify compatibility with your UTV, ensuring a perfect fit. |
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M MATI Main Gearcase Shift Shaft for Polaris Ranger RZR 500 570 900 1000 RZR PRO Turbo General 1000 Sportsman ACE 325 570 PRO X-D 2011-2026 3235238 |
This M MATI Main Gearcase Shift Shaft is perfect for Polaris owners who need a reliable replacement part. It’s built to last and fits many Polaris models from 2011 to 2026. |
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Polaris OEM Main Gearcase Output Shaft 2000-2009 Sportsman Scrambler 3233544 |
This Polaris OEM Main Gearcase Output Shaft is perfect for owners of 1998-2009 Polaris Scrambler 500, 1998-2002 Scrambler 400, 1999-2002 Xplorer 400, 2000-2002 Xplorer 250, and 2000-2008 Sportsman 500 models. It’s an OEM Polaris product, ensuring a perfect fit and reliable performance. |
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Polaris OEM Main Gearcase Ball 208-2014 RZR S RZR 4 800 EFI 800 3234520 |
This Polaris OEM Main Gearcase Ball is perfect for owners of 2008-2014 Polaris RZR 800, 2010-2014 Polaris RZR 4 800, or 2011-2014 Polaris RZR S 800 models. It’s an OEM Polaris product, ensuring a perfect fit for your vehicle. |
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Polaris 3234232 Main Gearcase Bellcrank Sportsman Big Boss 570 800 700 6X6 |
This Polaris 3234232 Main Gearcase Bellcrank is perfect for Polaris ATV owners. It fits Sportsman 570, 700, 800, and Big Boss 6X6 models. Always check your owner’s manual to make sure it works with your ATV. |
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Polaris 3235227 Main Gearcase Bellcrank 2015 Ranger Diesel XP RZR 1000 900 Turbo |
This Polaris Main Gearcase Bellcrank is perfect for Polaris UTV owners who need a reliable replacement part. It’s easy to install and fits many Polaris models, so you can get back on the trail fast. |
Detailed Reviews
Discover the top 10 Main Gearcases in our expert-curated guide. Each pick is thoroughly reviewed for performance, durability, and value. Whether you need reliability or affordability, we’ve got you covered. Find the perfect fit for your vehicle and ride with confidence.
1. Main Gearcase Bellcrank For Polaris RZR 570 ACE 900 2012-2022 3235397 3235386
Upgrade your Polaris RZR with this premium Main Gearcase Bellcrank. It’s designed for perfect fit and performance. Get back on the trail with confidence.
This essential part fits a wide range of Polaris models, including the RZR 570 and ACE 900 from 2012 to 2022. It directly replaces OE/OEM numbers 3235397 and 3235386. Ensure compatibility by checking our detailed list.
We offer top-notch customer service. Contact us with any questions for a smooth and easy experience.
| Pros | Cons |
|---|---|
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Perfect For:
This Main Gearcase Bellcrank is perfect for Polaris RZR 570 and ACE 900 owners who need a reliable replacement part. It fits specific models from 2012 to 2022, ensuring a perfect match for your vehicle.
Ready to Purchase?
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2. Polaris Main Gearcase Assembly, 700, Genuine OEM Part 1332701, Qty 1
The Polaris Main Gearcase Assembly is a genuine OEM part designed for specific Polaris models. It ensures reliable performance and durability for your vehicle. This part is essential for smooth operation.
It fits the Ranger 700 6X6, Ranger HD 700, Ranger XP 700, and Ranger XP 700 Limited. The part number is 1332701. It comes in a quantity of one.
Using genuine OEM parts like this gearcase assembly helps maintain your vehicle’s original quality. It’s a trusted choice for Polaris owners. Keep your ride running smoothly with this essential component.
| Pros | Cons |
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Perfect For:
This Polaris Main Gearcase Assembly is perfect for owners of Ranger 700 6X6, Ranger HD 700, Ranger XP 700, or Ranger XP 700 Limited models. It’s a genuine OEM part that fits perfectly and keeps your vehicle running smoothly.
Ready to Purchase?
3. Align H60200 600Pro Main Gear Case Set
The Align H60200 600Pro Main Gear Case Set is a top-quality upgrade for your RC helicopter. It’s made with high-end materials to ensure lasting performance. Perfect for both fun and professional use.
This product is designed for the Align T-Rex 600PRO, so check your user’s manual for compatibility. Using Align tools and parts helps you get the most out of your helicopter. It’s built to last and perform well over time.
Whether you’re flying for fun or work, this gear case set is a reliable choice. It combines years of RC expertise with premium components for smooth operation.
| Pros | Cons |
|---|---|
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Perfect For:
The Align H60200 600Pro Main Gear Case Set is perfect for RC helicopter enthusiasts and professionals who want reliable, high-quality parts. Whether for fun or commercial use, this set ensures lasting performance and smooth operation.
Ready to Purchase?
4. Polaris OEM Main Gearcase 38T Sector Gear 2009-2017 Sportsman XP X2 SP 3234694
This is a new OEM Polaris Gear Sector. It has 38 teeth and the OEM Part Number is 3234694. It’s made for Polaris Sportsman XP X2 SP models from 2009 to 2017.
Get your Polaris running smoothly again with this direct fit part. It’s a genuine Polaris replacement for reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This Polaris OEM Main Gearcase 38T Sector Gear is perfect for owners of 2009-2017 Sportsman XP X2 SP models. It’s a reliable replacement part for keeping your ATV running smoothly.
Ready to Purchase?
5. Polaris OEM Main Gearcase 61T Reverse Gear 2016-2017 RZR XP 4 & Turbo 3235813
The Polaris OEM Main Gearcase 61T Reverse Gear is a genuine part for your vehicle. It has the OEM Polaris Part Number 3235813.
This gear is made for Polaris UTVs. It fits RZR XP Turbo EPS and RZR XP 4 Turbo EPS models. Always check your owner’s manual to make sure it works with your vehicle.
Using OEM parts keeps your vehicle running smoothly. It also maintains its value. Trust Polaris parts for the best performance.
| Pros | Cons |
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Perfect For:
This Polaris OEM Main Gearcase is perfect for owners of 2016-2017 RZR XP 4 & Turbo models who need a reliable replacement part. It’s easy to verify compatibility with your UTV, ensuring a perfect fit.
Ready to Purchase?
6. M MATI Main Gearcase Shift Shaft for Polaris Ranger RZR 500 570 900 1000 RZR PRO Turbo General 1000 Sportsman ACE 325 570 PRO X-D 2011-2026 3235238
M MATI Main Gearcase Shift Shaft is a high-quality replacement part for Polaris vehicles. It fits many models, including Ranger, RZR, General, and Sportsman. This part is built to last with premium materials.
The shaft is sturdy, corrosion-resistant, and wear-resistant. It’s not easy to break, ensuring long-lasting performance. You’ll get one shaft in a fine box.
We provide a 1-year product service. If there’s any problem, contact us for help. Check the fitment details before ordering to ensure a perfect match.
| Pros | Cons |
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Perfect For:
This M MATI Main Gearcase Shift Shaft is perfect for Polaris owners who need a reliable replacement part. It’s built to last and fits many Polaris models from 2011 to 2026.
Ready to Purchase?
7. Polaris OEM Main Gearcase Output Shaft 2000-2009 Sportsman Scrambler 3233544
Keep your Polaris running smoothly with this OEM Main Gearcase Output Shaft. It’s a genuine Polaris part, designed for a perfect fit.
This shaft is built to last. It ensures your ATV performs at its best. Get back to your adventures with confidence.
It fits many Polaris models. This includes the Sportsman and Scrambler series. A reliable replacement for your ATV.
| Pros | Cons |
|---|---|
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Perfect For:
This Polaris OEM Main Gearcase Output Shaft is perfect for owners of 1998-2009 Polaris Scrambler 500, 1998-2002 Scrambler 400, 1999-2002 Xplorer 400, 2000-2002 Xplorer 250, and 2000-2008 Sportsman 500 models. It’s an OEM Polaris product, ensuring a perfect fit and reliable performance.
Ready to Purchase?
8. Polaris OEM Main Gearcase Ball 208-2014 RZR S RZR 4 800 EFI 800 3234520
Keep your Polaris RZR running smoothly with this OEM Main Gearcase Ball. It’s a genuine Polaris part, designed to fit perfectly. Part Number: 3234520 ensures you get the right fit every time.
This part works with 2008-2014 Polaris RZR 800 models. It also fits 2010-2014 Polaris RZR 4 800 vehicles. Reliable and durable, it’s built to last.
For 2011-2014 Polaris RZR S 800 owners, this is a must-have replacement. Easy to install, it keeps your ride in top shape. Trust this OEM part for peak performance.
| Pros | Cons |
|---|---|
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Perfect For:
This Polaris OEM Main Gearcase Ball is perfect for owners of 2008-2014 Polaris RZR 800, 2010-2014 Polaris RZR 4 800, or 2011-2014 Polaris RZR S 800 models. It’s an OEM Polaris product, ensuring a perfect fit for your vehicle.
Ready to Purchase?
9. Polaris 3234232 Main Gearcase Bellcrank Sportsman Big Boss 570 800 700 6X6
The Polaris 3234232 Main Gearcase Bellcrank is a genuine OEM part designed for Polaris ATVs. It ensures reliable performance and durability for your vehicle.
This part fits multiple Polaris models, including Sportsman 570, Sportsman 700 EFI Twin, Sportsman 800, and Sportsman 570 6X6 Big Boss. It’s easy to install and built to last.
Always check your owner’s manual to verify compatibility before purchasing. This OEM part guarantees a perfect fit for your Polaris ATV.
| Pros | Cons |
|---|---|
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Perfect For:
This Polaris 3234232 Main Gearcase Bellcrank is perfect for Polaris ATV owners. It fits Sportsman 570, 700, 800, and Big Boss 6X6 models. Always check your owner’s manual to make sure it works with your ATV.
Ready to Purchase?
10. Polaris 3235227 Main Gearcase Bellcrank 2015 Ranger Diesel XP RZR 1000 900 Turbo
The Polaris 3235227 Main Gearcase Bellcrank is a genuine OEM part designed for Polaris UTVs. It ensures reliable performance and durability for your vehicle.
This part is compatible with multiple Polaris models, including RZR XP 1000 EPS, RZR Turbo S EPS, and RZR Pro XP EPS Ultimate. It fits 2015 Ranger Diesel XP, RZR 1000, 900 Turbo, and more.
Easy to install, built to last, and perfect for Polaris owners. Keep your UTV running smoothly with this essential component.
| Pros | Cons |
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Perfect For:
This Polaris Main Gearcase Bellcrank is perfect for Polaris UTV owners who need a reliable replacement part. It’s easy to install and fits many Polaris models, so you can get back on the trail fast.
Ready to Purchase?
Buying Guide
Main gearcases are key to your vehicle’s performance. Choosing the right one keeps your ride smooth and reliable.
Factors to Consider When Buying Main Gearcases:
– Compatibility: Check if the part fits your vehicle’s make, model, and year. Always verify with your owner’s manual.
– OEM vs. Aftermarket: OEM parts maintain original quality, while aftermarket upgrades may offer better performance or cost savings.
– Material Quality: Look for durable materials like corrosion-resistant alloys for long-lasting use.
– Ease of Installation: Choose parts that are easy to install or come with clear instructions.
– Warranty and Support: Opt for products with warranties and reliable customer service for peace of mind.
– Price and Value: Balance cost with quality to get the best value for your needs.
– Reviews and Reputation: Read reviews to ensure the part is trusted and performs well.
With these tips, you’ll find the perfect main gearcase for your vehicle. Upgrade with confidence and keep your ride in top shape!