1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 9921575250703633
  3. SUNSTAR MN/B13Y

SUNSTAR MN-B13Y Rear Steel Sprocket Drive Du MN/B13Y

fits model: 330, Trail, Boss. make: Polaris. year: 2003–2012.

B13y Sunstar Mn/b13y Steel Rear Sprocket For 2003-2012 Polaris Trail Boss 330 - Drive Du

( Brand: Sunstar ), ( Manufacturer Part Number: MN/B13Y ), ( Compatible Year: 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 ), ( Compatible Model: Trail Boss 330 ), ( Bundle Description: 1 Pc Genuine Sunstar Steel Rear Sprockets ), ( Type: Steel Rear Sprockets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review SUNSTAR Mn/b13y Steel Rear Sprocket Polaris Drive Du fits TRAIL BOSS 330 2003–2012

Introducing the Sunstar MN/B13Y Steel Rear Sprocket, specifically designed for the Polaris Trail Boss 330 Drive Du models manufactured between 2003 and 2012. This high-performance sprocket is an excellent upgrade for your off-road vehicle, ensuring superior durability, strength, and reliability.

Crafted from premium quality steel, this sprocket boasts an impressive tooth design that delivers enhanced torque and power transmission. Its robust construction makes it an ideal choice for heavy-duty use in challenging off-road conditions. The steel material also guarantees resistance to wear and tear, ensuring a long service life.

The Sunstar MN/B13Y Steel Rear Sprocket features a 13 spline design that securely connects it to the driveshaft, providing a solid and reliable connection that effectively transfers power from the engine to the wheels. The spline design also ensures precise alignment, ensuring optimal performance and reducing the risk of damage to other components.

This sprocket comes with a 28 tooth count, providing an optimal gear ratio for the Polaris Trail Boss 330 Drive Du models. The tooth count can significantly impact your vehicle's performance, and this sprocket's design ensures efficient power delivery and smooth operation.

Installation of the Sunstar MN/B13Y Steel Rear Sprocket is a straightforward process. It comes with all necessary hardware for installation, making it a convenient and hassle-free upgrade. The installation process does not require any specialized tools or extensive mechanical knowledge, making it an accessible modification for most off-road enthusiasts.

Upgrading your Polaris Trail Boss 330 Drive Du with the Sunstar MN/B13Y Steel Rear Sprocket not only enhances its performance but also adds a touch of style to your vehicle. Its sleek, steel design complements the rugged look of your off-road machine, making it a desirable modification for those who take their Polaris Trail Boss seriously.

In conclusion, the Sunstar MN/B13Y Steel Rear Sprocket is an essential upgrade for any Polaris Trail Boss 330 Drive Du owner seeking improved durability, power, and reliability. Its robust steel construction, efficient tooth design, and straightforward installation make it an excellent investment for your off-road vehicle.

The Sunstar MN/B13Y steel rear sprocket is a popular aftermarket option for the Polaris Trail Boss 330 drive du models from 2003 to 2012. Here are some pros and cons to help you make an informed decision about purchasing this sprocket:

Pros:

1. Durability: The Sunstar MN/B13Y steel rear sprocket is made of high-quality steel, making it more durable than the original OEM sprocket. This can help increase the lifespan of the drive system.

2. Better Traction: The larger tooth design of the Sunstar sprocket can provide better traction, especially in muddy or slippery conditions.

3. Customization: The aftermarket sprocket offers an opportunity for customization, allowing riders to choose a tooth size that suits their riding style and terrain.

4. Cost-Effective: Replacing the OEM sprocket with the Sunstar MN/B13Y can save money in the long run as it lasts longer and reduces the need for frequent replacements.

Cons:

1. Installation: Installing the aftermarket sprocket may require some mechanical knowledge or the help of a professional.

2. Noise: Some riders have reported that the Sunstar sprocket produces more noise than the OEM sprocket, but this is a minor issue that can be addressed with proper maintenance.

3. Weight: The steel sprocket is heavier than the OEM sprocket, which can affect the overall performance of the ATV.

Ending Conclusion:

The Sunstar MN/B13Y steel rear sprocket is a great option for those looking to upgrade the durability and traction of their Polaris Trail Boss 330 drive du models from 2003 to 2012. While there are some cons to consider, such as the installation process and additional noise, the benefits of increased durability, better traction, and cost-effectiveness make it a worthwhile investment for many riders.

Recommendation:

If you are looking to upgrade the rear sprocket on your Polaris Trail Boss 330 drive du, the Sunstar MN/B13Y steel rear sprocket is a solid choice. Just be sure to consider the installation process and potential for increased noise before making the purchase. Additionally, consider consulting a professional if you are not confident in your mechanical abilities to ensure a successful installation.

part # mnb13y price

  • $27.95

specifications utvshift:

  • for models: 330, Trail, Boss
  • for makes: Polaris
  • for years: 2003-2012
  • brand: Sunstar
  • manufacturer part number: MN/B13Y
  • compatible year: 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003
  • compatible model: Trail Boss 330
  • bundle description: 1 Pc Genuine Sunstar Steel Rear Sprockets
  • type: Steel Rear Sprockets
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

shipping utvshift:

  • transit: 3-6 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: Standard

payments utvshift:

  • wallet: Paypal
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  • credit card: Diners-club

offer utvshift:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: November 22, 2025
  • options: Ship-to-home

general utvshift:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

returns utvshift:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

seller utvshift:

  • # reviews: 13838
  • rating: 98.1%
for models: 330, trail, boss, for makes: polaris, for years: 2003-2012, compatible year: 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003, compatible model: trail boss 330, bundle description: 1 pc genuine sunstar steel rear sprockets, type: steel rear sprockets, core charge: free no core charge, fitment type: direct replacement,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, sku: 9921575250703633,

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