EPI Performance Front Differential Bearing & Seal Kit for Polaris RZR, Ranger & General
Restore 4WD Performance. Eliminate Leaks. Ride with Confidence.
When your front differential starts making noise, leaking fluid, or losing engagement, your entire 4WD system suffers. For machines like the Polaris RZR XP 1000 and Polaris Ranger 1000, worn bearings and seals can quickly turn into bigger—and more expensive—problems.
The EPI Performance Front Differential Bearing & Seal Kit gives you everything you need to rebuild your front diff the right way—restoring smooth operation, stopping leaks, and protecting your drivetrain from further damage.
Fix Common Differential Problems Fast
If you’re noticing any of these issues, it’s time for a rebuild:
- Fluid leaking from the front differential
- Grinding, whining, or rough operation
- Weak or inconsistent 4WD engagement
- Contamination from mud or water
This kit replaces worn bearings and seals to bring your differential back to factory performance.
Complete Rebuild Kit – No Guesswork
Instead of sourcing parts one by one, this kit includes all the critical components needed for a proper repair:
- Heavy-duty front differential bearings
- High-quality seals with anti-rust springs
- OE-style fitment for easy installation
Everything is designed to work together for a reliable, long-lasting rebuild.
Built for Real Off-Road Conditions
Your differential takes a beating every time you hit the trail. This kit is designed to handle it.
- Sealed bearings for durability in mud, water, and dust
- Corrosion-resistant seal springs for longer life
- Engineered to withstand heavy loads and rough terrain
Whether you’re trail riding, working, or pushing your machine hard, this kit is built to last.
Restore Smooth, Reliable Power Delivery
A worn differential doesn’t just leak—it robs performance.
Replacing your bearings and seals helps:
- Reduce internal friction
- Improve drivetrain efficiency
- Restore consistent power transfer to the front wheels
Get your 4WD system working the way it should—when you need it most.
Wide Polaris Fitment
Designed to fit a range of popular Polaris UTV models, including:
- Polaris RZR 900
- Polaris RZR XP 1000
- Polaris RZR XP Turbo
- Polaris General 1000 / XP
- Polaris Ranger 1000 / XP
Perfect for riders maintaining or rebuilding high-use machines.
Key Features
- Complete front differential bearing & seal kit
- Heavy-duty sealed bearings for long-term durability
- High-quality seals with anti-rust springs
- Stops leaks and prevents fluid contamination
- Restores smooth, reliable differential operation
- OE-style fitment for straightforward installation
Get Your Differential Back to 100%
Don’t let a worn-out front differential limit your machine’s performance or reliability. The EPI Performance Bearing & Seal Kit is a simple, cost-effective way to bring your Polaris back to full strength.
Fix it once. Fix it right. And get back on the trail with confidence.
Fitment
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2018 Polaris RZR 900 4 EPS
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2017-2020 Polaris General 1000 4
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2018-2020 Polaris General 1000
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2018-2019 Polaris General 1000 Limited / Ride Command
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2018-2022 Polaris General 1000 Deluxe
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2018-2022 Polaris General 1000 Hunter
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2018-2022 Polaris General 1000 Premium
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2020-2021 Polaris General 1000 4 Deluxe
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2020-2022 Polaris General 1000 4 Premium
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2019-2020 Polaris General 1000 4 Ride Command
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2020 Polaris General XP 1000
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2020 Polaris General XP 4 1000
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2021-2022 Polaris General XP 1000 Deluxe
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2021-2022 Polaris General XP 4 1000 Deluxe
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2021 Polaris General XP 1000 Pursuit
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2021 Polaris General XP 4 1000 Pursuit
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2022 Polaris General XP 1000 Deluxe Ride Command
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2022 Polaris General XP 1000 Trailhead / Troy Lee Designs
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2022 Polaris General XP 4 1000 Ride Command / Trailhead / Troy Lee Designs
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2021-2023 Polaris General 1000 Sport
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2022 Polaris General 1000 Deluxe Ride Command
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2022 Polaris General 1000 4 Deluxe Ride Command
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2021-2023 Polaris Ranger 1000 (SOHC 61hp)
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2021-2023 Polaris Ranger 1000 Crew (SOHC 61hp)
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2021-2022 Polaris Ranger 1000 EPS (SOHC 61hp)
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2021-2023 Polaris Ranger 1000 Premium (SOHC 61hp)
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2021-2023 Polaris Ranger 1000 Crew Premium (SOHC 61hp)
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2022 Polaris Ranger 1000 Premium + Winter Package (SOHC 61hp)
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2022 Polaris Ranger 1000 Crew Premium + Winter Package (SOHC 61hp)
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2017 Polaris Ranger 1000 XP High Lifter
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2017 Polaris Ranger 1000 XP Crew High Lifter
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2017 Polaris Ranger 1000 XP Ranch
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2017 Polaris Ranger 1000 XP Northstar HVAC
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2018-2022 Polaris Ranger 1000 XP Crew High Lifter
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2020-2022 Polaris Ranger 1000 XP High Lifter
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2021-2022 Polaris Ranger 1000 XP Big Game
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2021-2022 Polaris Ranger 1000 XP Trail Boss / Waterfowl
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2021 Polaris Ranger 1000 XP Texas
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2021-2023 Polaris Ranger 1000 XP Premium
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2021-2023 Polaris Ranger 1000 XP Crew Premium
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2021-2022 Polaris Ranger 1000 XP Crew Big Game / Texas / Trail Boss / Waterfowl
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2021-2023 Polaris Ranger 1000 XP Northstar Premium / Trail Boss / Ultimate
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2021-2023 Polaris Ranger 1000 XP Crew Northstar Premium / Trail Boss / Ultimate
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2022 Polaris Ranger 1000 XP Crew Northstar Big Game
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2023 Polaris Ranger 1000 XP Northstar Ultimate Ride Command Package
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2023 Polaris Ranger 1000 XP Crew Northstar Ultimate Ride Command Package
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2017-2020 Polaris RZR 1000 60" S
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2019-2020 Polaris RZR 1000 4 S
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2017 Polaris RZR XP 1000 4 (Built after 10/3/16)
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2017-2022 Polaris RZR XP 1000 High Lifter
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2017-2022 Polaris RZR XP 1000 4 High Lifter
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2018-2020 Polaris RZR XP 1000
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2018-2020 Polaris RZR XP 1000 4
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2018-2019 Polaris RZR XP 1000 Ride Command
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2018-2019 Polaris RZR XP 1000 4 Ride Command
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2018-2022 Polaris RZR XP 1000 Trails & Rocks
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2019 Polaris RZR XP 1000 Dynamix
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2019 Polaris RZR XP 1000 4 Dynamix
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2019 Polaris RZR XP 1000 Matte Gold Metallic LE Rock Crawler (Non EBS)
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2020-2023 Polaris RZR XP 1000 Premium
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2020-2023 Polaris RZR XP 1000 4 Premium
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2020 Polaris RZR XP 1000 Limited
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2021-2023 Polaris RZR XP 1000 Sport
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2021-2023 Polaris RZR XP 1000 4 Sport
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2021-2023 Polaris RZR Trail S 1000 Premium / Ultimate
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2022 Polaris RZR 1000 Premium with Ride Command
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2022 Polaris RZR XP 1000 Premium Ride Command
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2017-2021 Polaris RZR XP Turbo 1000
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2017-2021 Polaris RZR XP Turbo 1000 4
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2019 Polaris RZR XP Turbo 1000 LE
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2019 Polaris RZR XP Turbo 1000 4 LE
Notes
- This Kit includes all the seals needed to rebuild the front differential
EPI Performance (About)
At Erlandson Performance, we've been driven by a passion for performance and innovation since 1991. From our humble beginnings in a basement to our current headquarters and operating complex in Minnesota, we've remained committed to testing every product on our own proving grounds to ensure real-world performance gains. Our extensive line of driveline components, including clutch kits, axles, CV joints, and more, are designed to help you unlock your machine's full potential. With a focus on quality and durability, we've earned a reputation for producing the best products, including our exclusive Severe Duty Drive Belts that can withstand even the toughest conditions. We're dedicated to providing you with the highest-performance parts available, so you can enjoy your ride with confidence and exhilaration.
