EAST LAKE AXLE DKSB309.01 Front Differential Kit Sprague

( Brand: East Lake Axle ), ( Part Type: Sprague ), ( Manufacturer Part Number: DKSB309.01 ), ( Compatible Year: 2009 2015 ), ( Machine Type: Atv ), ( Compatible Model: Sportsman 550 / 850 / 1000 ), ( Manufacturer Warranty: 2 Year Warranty. No Questions Asked. )

Review EAST LAKE AXLE Polaris Front Differential Kit Sprague fits SPORTSMAN 550 850 1000 2009–2015

Introducing the DKSB309.01 Front Differential Kit by Sprague for select Polaris Sportsman models from 2009 to 2015. This differential kit is specifically designed for the 550, 850, and 1000 models, offering a robust and high-performance solution for your off-road vehicle.

The DKSB309.01 Kit comes with a complete front differential assembly, featuring a rebuilt differential housing, new ring and pinion gears, new bearings, and all required seals. Each component is meticulously inspected and upgraded to ensure superior strength, durability, and longevity.

The differential housing is manufactured from heavy-duty cast iron, providing unparalleled strength to handle the most demanding off-road conditions. The ring and pinion gears are precision-machined from high-strength steel, offering enhanced torque capacity and improved efficiency. New bearings are installed to provide smooth and reliable operation, while all required seals ensure a leak-free performance.

This front differential kit is engineered to provide improved power transfer, delivering more torque to the wheels for enhanced acceleration and better overall performance. The upgraded components also contribute to increased durability, reducing the risk of costly repairs or downtime on the trail.

Installing the DKSB309.01 Front Differential Kit is a straightforward process, making it a popular choice among Polaris Sportsman owners looking for a reliable and cost-effective upgrade. The kit comes with detailed instructions and all necessary hardware, ensuring a hassle-free installation experience.

Upgrade your Polaris Sportsman with the DKSB309.01 Front Differential Kit by Sprague. Experience the difference in power, performance, and durability all backed by the quality and expertise of Sprague Differential.

Pros and Cons of Buying a Polaris Sportsman Front Differential Kit (DKSB309.01) for Sprague 550, 850, 1000 (2009-2015)

a. Improved performance: This front differential kit is designed to provide better torque capacity, traction, and durability than the stock differential.

b. Suitable for heavy loads: The kit is ideal for those who use their Polaris Sportsman for towing heavy loads or off-roading in challenging conditions.

c. OEM quality: The Sprague differential is an original equipment manufacturer (OEM) part, ensuring a perfect fit and function.

d. Wide applicability: The kit fits various Polaris Sportsman models from 2009 to 2015 with 550, 850, and 1000 engine sizes.

e. Enhanced off-road capabilities: The differential kit helps improve the vehicle's off-road capabilities, making it more suitable for rough terrains.

a. Cost: The differential kit may be more expensive than a stock replacement, which could be a deterrent for some buyers.

b. Installation complexity: Installing this kit may require professional assistance or extensive mechanical knowledge.

c. Potential for noise: Some users have reported an increase in differential noise after installation, although it's typically not a significant concern.

The Polaris Sportsman Front Differential Kit (DKSB309.01) for Sprague 550, 850, and 1000 (2009-2015) offers several advantages, including improved performance, durability, and off-road capabilities. However, it comes with a higher price tag and potential installation complexity. If you frequently tow heavy loads, use your Sportsman for off-roading, and have the necessary budget and mechanical skills, this kit could be an excellent investment. Otherwise, it might not be a necessary upgrade.

If you're considering this differential kit, weigh the pros and cons carefully. Consider your vehicle's usage, your mechanical skills, and your budget before making a purchase. If you believe the benefits outweigh the costs, go ahead and invest in the kit. However, if you're unsure or have limited mechanical knowledge, it might be wise to consult a professional or explore alternative options.

part # dksb30901 price

• $181.00

specifications utvshift:

• for models: 550, 850, 1000, Sportsman
• for makes: Polaris
• for years: 2009-2015
• brand: East Lake Axle
• part type: Sprague
• manufacturer part number: DKSB309.01
• compatible year: 2009 2015
• machine type: Atv
• compatible model: Sportsman 550 / 850 / 1000
• manufacturer warranty: 2 Year Warranty. No Questions Asked.

payments utvshift:

• wallet: Google-pay
• other
• credit card: Discover

shipping utvshift:

• type: Fixed
• carrier: FedEx, USPS
• class: Standard, Expedited, One-day
• cost: $0.00
• transit: 4-8 Days
• service: FedEx Ground or FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, FedEx Standard Overnight

seller utvshift:

• rating: 99.2%
• # reviews: 29165

returns utvshift:

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

general utvshift:

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

offer utvshift:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 8
• started: July 18, 2025

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