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Top 10 Best Polaris Sportsman Front Diff Upgrade Reviews & Comparison [Update]

We all know that the best polaris sportsman front diff upgrade is one of many out there. That’s why we’ve taken 45264 reviews from top experts and organized them according to our rankings for you. 

We know how hard it is to find a great polaris sportsman front diff upgrade, which is why our team went through the whole research process and put up this list for you. These are just some of their favorites!

We have been exhaustive in our search for the perfect polaris sportsman front diff upgrade of 2025. If quality matters most, then check this list: 

Bestseller No. 1
East Lake Axle front differential for Polaris Ranger/Sportsman/Scrambler 400/450 / 500/570 / 700/800 / ETX 2007-2021 1332971 1332578 1332772
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • This differential replaces the following OE #s:1332731 1332773 / 1332829 / 1332971 / 1333066 / 1333393 / 1332956 / 1332478 / 1333067 / 1332578 / 1332772 / 1332567 / 1332344 / 1333213
  • This differential comes with a heavy duty hardened aluminum sprague and upgraded pinion bearing.
  • The following OE #s can use our differential but will lose Active Descent Control: 1332568 1332695 1332832 3234433 1332909
Bestseller No. 2
East Lake Axle front differential bearing & seal kit for Polaris Sportsman 550/850 / 1000 2009-2024
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • OEM Replacement differential bearings & seals
  • 2 Year No Fault Warranty.
  • This differential kit comes with an upgraded pinon bearing.
Bestseller No. 3
East Lake Axle front differential Rebuild kit for Polaris Ranger/Sportsman/Scrambler 400/450 / 500/570 / 700/800 / ETX 2007-2021 1332971 1332578 1332772
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • This differential replaces the following OE #s:1332731 1332773 / 1332829 / 1332971 / 1333066 / 1333393 / 1332956 / 1332478 / 1333067 / 1332578 / 1332772 / 1332567 / 1332344 / 1333213
  • This differential Rebuild kit comes with a heavy duty hardened aluminum sprague and upgraded pinion bearing.
  • 2 Year No Fault Warranty
Bestseller No. 4
Front Diff Rebuild Kit for Polaris Ranger XP 570 800 900 | RZR 570 800 900 | Sportsman 325 570 Ace
  • 【Fit on】Polaris Brutus HD 4X4 2013-2015|Ranger 570 4X4 2015-2019|Ranger 800 RZR "S" & RZR '4" 2011-2014| Ranger 800 RZR 4X4 2011-2014|Ranger 900 4X4 2011-2015|Ranger Diesel 4X4 2011-2015|RGR 900D 4X4 2015|RZR 570 4X4 2012-2014|RZR 800 (Including RZR-S and RZR-4) 2011-2014|RZR 900 (All models except 2015-16 RZR-4 900) 2011-2016|Sportsman 325 Ace 4X4 2014-2016|Sportsman 570 Ace 4X4 2015-2017.
  • 【Replaces OEM Number】Roll Cage Sprague: 3234466, 3235261, 3234466, 3235263, 3234907. Roller Kit : 3234393 Armature Plate: 3234407.
  • 【Material】All of our products have been good tested before, quality guaranteed.This kit all made of heavy-duty steel,which is impacts resistance, excellent sturdiness, and durability. It has excellent rust and corrosion-proof, which can ensure long-term trouble-free use.
  • 【What you get】1 Roll Cage Sprague + 1 Armature Plate + 1 set Front Differential Bearing & Seal (including all the parts in the picture).
  • 【Satisfaction Guarantee】We are dedicated to delivering professional and heartfelt service to enhance your shopping experience. If you're not completely satisfied with your purchase, simply return it within 30 days. Additionally, we offer a 12-month warranty for your peace of mind.
Bestseller No. 5
East Lake Axle front differential kit with Sprague & Armature Plate for Polaris Sportsman 300/400/450/500/700/800
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • Updated sprague as of November, 2023
  • 2 Year No Fault Warranty.
  • This Sprague Cage is made of hardened aluminum and is an upgrade to the OEM plastic cage. This sprague has 20 rollers. This armature plate has 5 prongs. This kit comes with an upgraded pinion bearing.
  • Updated sprague as of November, 2023. Please note the armature plate that comes in this kit may be larger in diameter than the OEM if you have a 2006 - 2007 300 Hawkeye 4x4 with differential number 1332369.
Bestseller No. 6
Sunluway Front Diff Rebuild Kit Sprague Armature Plate for Polaris Ranger RZR 570 800 900 2011-2017/ Sportsman 325 Ace 4X4 2014-2016 / Sportsman 570 Ace 4x4 2015-2017
  • Wide Application: For Polaris Brutus HD 4X4 2013-2015 /Polaris Ranger 570 4X4 2015-2019 /Polaris Ranger 800 RZR "S" & RZR '4" 2011-2014 /Polaris Ranger 800 RZR 4X4 2011-2014 /Polaris Ranger 900 4X4 2011-2017 /Polaris Ranger Diesel 4X4 2011-2015
  • For Polaris RGR 900D 4X4 2015 /Polaris RZR 570 4X4 2012-2014 /Polaris RZR 800 (Including RZR-S and RZR-4) 2011-2014/Polaris RZR 900 (All models except 2015-16 RZR-4 900) 2011-2016 /Polaris Sportsman 325 Ace 4X4 2014-2016 /Polaris Sportsman 570 Ace 4X4 2015-2017
  • Package Content: 1 Roll Cage Sprague + 1set Roller Kit (20pcs) + 1 Armature Plate + 1 set Front Differential Bearing & Seal (including all the parts in the picture)
  • Material: The Roll Cage is made from Aluminum 6061 and high-strength steel, which has high hardness, high strength, stable performance and reliable use, and longer service life
  • Saving your time and energy: The original roll cages are notorious for cracking and breaking, replace them with this updated severe-duty ALUMINUM version to ensure a long lifespan.
Bestseller No. 7
East Lake Axle front differential bearing & seal kit for Polaris Sportsman/Magnum/General
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • OEM Replacement differential bearings & seals
  • 2 Year No Fault Warranty.
  • This differential kit comes with an upgraded pinon bearing.
Bestseller No. 8
Zozoye Front Differential Bearing & Seal Kit for Polaris Sportsman 400 450 500 570 ETX Ranger 800 2013-2023 3235470 3234390
  • ENHANCE COMPATIBLE WITH POLARIS EXPERIENCE: For Polaris enthusiasts, our front differential bearing and seal kit is a must-have upgrade. Compatible with Polaris models, including 2015-2017 Ranger 800 6x6, 2013-2014 Sportsman 400 HO 4X4, 2016-2019 Sportsman 450 HO (NO 2X4), 2020-2023 Sportsman 450 HO, 2013 Sportsman 500 HO/HD/Touring/Forest (NO Tractor), 2014-2023 Sportsman 570 (All Edition), 2015 Sportsman ETX. Our kit ensures optimal performance and reliability for your ride.
  • OEM PART NUMBERS: Crafted with OEM part numbers 3235470, 3234390, our front differential bearing and seal kit for Polaris guarantee quality and durability, delivering reliable power generation for Polaris.
  • PACKAGING: Experience convenience and reliability with our packaging, which includes 3x Bearings, 4x Seals.Each component is meticulously selected and packaged for effortless installation, saving you time and hassle.
  • CUSTOM-FIT ASSURANCE: Our Zozoye front differential bearing and seal kit for Polaris are tailored to fit perfectly. Refer to applicable models, detailed images, and OEM numbers on our page to ensure the right choice for your ride.
  • DEDICATED SUPPORT TEAM: Your satisfaction is our priority, and we're here to assist you with any challenges during installation or post-purchase inquiries. Trust in our commitment to providing a smooth and satisfying experience for Polaris journey.
Bestseller No. 9
East Lake Axle front differential for Polaris Ranger/RZR/ACE 500/570 / 800/900 / 1000 2011-2023 1333750 1333104 1334309 1337046
  • Please verify this item fits before purchasing. All years and models are broken down in the product description.
  • There were 4 different front differentials for the Ranger 1000. Please verify the model # located on your differential matches the OE #s listed.
  • This differential replaces the following OE #s: 1332842 / 1333750 / 1334309 / 1334266 / 1333104 / 1333285 / 1332923 / 1333105 / 1337133 / 1337046 This differential will NOT WORK on the following OEM #'s due to a different gear ratio: 1333243, 1334310, 1333751, 1334264
  • This differential comes with a heavy duty pinion bearing and hardened aluminum sprague.
  • In order to make this diff work with your RZR 800, you need to modify the steering column. You have to make a notch in the bracket for the steering rack. About 1/4 inch between lower steering rack mounting bolts.
Bestseller No. 10
BossBearing Both Front Drive Shaft U-Joint Diff Engine for Polaris Sportsman 450/450 HO
  • EVERYTHING YOU NEED: This popular Combo Kit includes (2) U-joints, (2) Stainless Steel Roll Pins (Upgrade), (2) Zerk fittings, and 8 Circlips - Also includes a cap plug to eliminate grease zero for low clearance applications
  • Cup Diameter: 0.94", Width (measured from outside of internal snap rings): 1.54", Clip Type: Internal
  • Features an upgraded stainless steel roll pin which is stronger than OEM and corrosion-resistant. To verify vehicle fitment and location please see product description
  • HIGH QUALITY PARTS: Meets or exceeds OEM standards, pre-greased with hi-temp lithium complex 3 grease, and bearing cups feature a Quad lip seal to keep contamination out & grease in. Cold forged from SCM-415 steel, precision ground journals are case hardened to HRC58-61 and corrosion-resistant
  • PEACE OF MIND: Every BossBearing product comes with a 1-year warranty that protects you after your purchase. We are confident that our products will work once installed in your vehicle. But if it does not, we will replace it anytime within one year of your order.

How Do We Test Polaris Sportsman Front Diff Upgrade 

If you’re looking for an unbiased opinion on any product, we’ve got your back. Our reviews are rigorous and thorough – taking all factors into account, including design, features, price-to something else that matters most in making an informed decision before purchasing one of these items!

Factors to Consider Before Purchasing Polaris Sportsman Front Diff Upgrade

What’s the point of a buying guide if you don’t know what factors to consider before purchasing polaris sportsman front diff upgrade?

  • Satisfy your need
  • Features & Specifications
  • Quality & Durability
  • Brand Value
  • Customer Reviews & Ratings
  • Price
  • Customer Service

You may be wondering why you need to consider some factors about a polaris sportsman front diff upgrade before purchasing. It’s because there are so many things that can go into making your decision, and knowing all of them upfront will help keep any surprises later on in life!

What’s The Best Place To Purchase Polaris Sportsman Front Diff Upgrade

Online shopping is the way of 2025, and if you want to make sure that your purchase will be an excellent one, then there’s no better place than online. You’ll have access to so many more products in different shapes, sizes, colors, and flavors brands with unbeatable prices.

There are so many different options when it comes to choosing a new polaris sportsman front diff upgrade, and we truly believe that you should do your research before making such an important purchase. The questions might include:

  • Should I buy a new, used, or refurbished polaris sportsman front diff upgrade?
  • Do you really need the high quality polaris sportsman front diff upgrade there is?
  • What are must-have features for polaris sportsman front diff upgrade?
  • Best time to buy a polaris sportsman front diff upgrade?
  • What are the benefits of buying polaris sportsman front diff upgrade?
  • Why is it critical to invest in a good in today’s market, particularly the best one?

In our opinion, investing in a good, high-quality polaris sportsman front diff upgrade will make you feel confident about your purchase. You can tell that the company put effort into making sure it was top-notch and took their time with designing everything from packaging to graphics for marketing purposes because this makes them seem more reliable than competitors who don’t invest so much money on these things (especially if they’re cheap). Plus, having quality materials ensures longevity which is always nice. 

Tips For Being A Smart Online Shopper

When shopping for a product online, be sure to read the reviews before making a purchase. This can give you a good idea of what to expect from the product and can help you decide if it’s the right fit for your needs. Additionally, be sure to check the return policy and shipping times before buying anything. This way, if you’re not happy with the product, you can easily return it without any hassle. And if you need the product quickly, you’ll know that it will arrive in a timely manner.

When looking for a polaris sportsman front diff upgrade, be sure to compare prices from different retailers. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.

These are just a few things to keep in mind when shopping for a product. By taking the time to consider your needs and doing your research, you can be sure you’re getting the best possible product for your needs. And if you have any questions, be sure to contact customer service or the retailer before making your purchase.

FAQs About Best Polaris Sportsman Front Diff Upgrade

What is More Important: a Good Product or a Good After-sales Service?

When it comes to choosing a polaris sportsman front diff upgrade, many people prioritize the quality of the product itself. However, after-sales service can be just as important, especially if something goes wrong with the product. So when it comes to choosing a product, it’s important to weigh both factors and decide which is more important to you. If quality is your main concern, be sure to choose a product that comes from a reputable brand and has good reviews. However, if you’re more concerned with after-sales service, be sure to choose a product from a company that offers excellent customer service. 

How to Save Money When Buying Online? 

When shopping for a polaris sportsman front diff upgrade online, there are a few things you can do to save money. First, be sure to compare prices from different retailers before making a purchase. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want. Additionally, you can also sign up for Amazon Prime, which gives you access to exclusive deals and free shipping on many items. So if you’re looking for the best possible deal on Amazon.

Bottom Line

We’re always looking to improve the way in which we give you access, so be sure not to miss out on all of our great updates by visiting us online right now.

We’re here for you. We’ll help answer any questions or concerns about the polaris sportsman front diff upgrade as long as they don’t involve technical details like how it works in a general sense! If there’s anything else on your mind, please let us know because someone will be happy to assist immediately-we want this process easy and breezy.

As a prospective buyer, it’s important that you research the product thoroughly before purchasing. There are many online forums where people can share their knowledge and experiences with different products in order to help guide your decision on what is best for yourself.

With our guide, you can find the best polaris sportsman front diff upgrade available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and looked at what buyers think about each product so that your buying experience will be satisfying.

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