QuadBoss 412645 Polaris RZR Front Differential Bearing & Seal Kit

Kit contains all of the bearings and seals required to service an ATV/UTV differential, restoring smooth operation and helping prevent leaks and premature wear under demanding riding conditions.

• Helps restore smooth, quiet differential operation and proper gear support
• Includes all bearings and seals needed to service one differential
• Built to meet or exceed OEM specifications for durability and fit
• Model specific kits for easier installation with no parts hunting

The QuadBoss 412645 front differential bearing and seal kit contains the bearings and seals required to service one ATV or UTV differential. It is designed to help restore smooth, quiet differential operation, provide proper gear support, and help prevent leaks and premature wear under demanding riding conditions.

This model-specific kit is built to meet or exceed OEM specifications for durability and fit, helping simplify installation without the need to source individual service parts. Manufacturer part number: 412645. Vendor part number: 412645.

Fitment includes the 2018 Polaris RZR RS1 and RZR XP Turbo S; 2019 Polaris RZR RS1, RZR XP Turbo S, and RZR XP 4 Turbo S; 2020 Polaris RZR XP 4 Turbo S, RZR XP Turbo S, RZR Pro XP, RZR Pro XP 4, and RZR RS1.

Features:

• Service Kit: Contains the bearings and seals required to service one differential.
• Differential Support: Helps restore smooth, quiet differential operation and proper gear support.
• Leak Prevention: Helps prevent leaks and premature wear under demanding riding conditions.
• OEM-Style Performance: Built to meet or exceed OEM specifications for durability and fit.
• Model-Specific Design: Designed for easier installation without searching for individual parts.
• Fitment: Fits select 2018–2020 Polaris RZR RS1, RZR XP Turbo S, RZR XP 4 Turbo S, RZR Pro XP, and RZR Pro XP 4 models.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
2018 Polaris RZR RS1 Base
2018 Polaris RZR XP Turbo S Base
2019 Polaris RZR RS1 Base
2019 Polaris RZR XP 4 Turbo S Base
2019 Polaris RZR XP Turbo S Base
2020 Polaris RZR Pro XP Base
2020 Polaris RZR Pro XP 4 Base
2020 Polaris RZR Pro XP 4 Premium Base
2020 Polaris RZR Pro XP 4 Ultimate Base
2020 Polaris RZR PRO XP Orange Madness LE Base
2020 Polaris RZR Pro XP Premium Base
2020 Polaris RZR Pro XP Ultimate Base
2020 Polaris RZR RS1 Base
2020 Polaris RZR XP 4 Turbo S Base
2020 Polaris RZR XP 4 Turbo S Velocity Base
2020 Polaris RZR XP Turbo S Base
2020 Polaris RZR XP Turbo S Velocity Base
2021 Polaris RZR Pro XP 4 Premium Base
2021 Polaris RZR Pro XP 4 Ultimate Base
2021 Polaris RZR Pro XP Premium Base
2021 Polaris RZR Pro XP Sport Base
2021 Polaris RZR Pro XP Sport Rockford Fosgate LE Base
2021 Polaris RZR Pro XP Ultimate Base
2021 Polaris RZR RS1 Base
2021 Polaris RZR Turbo S Base
2021 Polaris RZR Turbo S4 Base
2021 Polaris RZR Turbo S4 Lifted Lime LE Base
2021 Polaris RZR Turbo S4 Velocity Base
2021 Polaris RZR XP 1000 Premium Base
2022 Polaris RZR Pro XP 4 Premium Base
2022 Polaris RZR Pro XP 4 Sport Base
2022 Polaris RZR Pro XP 4 Ultimate Base
2022 Polaris RZR Pro XP 4 Ultimate Rockford Fosgate LE Base
2022 Polaris RZR Pro XP Premium Base
2022 Polaris RZR Pro XP Sport Base
2022 Polaris RZR Pro XP Ultimate Base
2022 Polaris RZR Pro XP Ultimate Rockford Fosgate LE Base
2022 Polaris RZR RS1 Base
2022 Polaris RZR Turbo R 4 Premium Base
2022 Polaris RZR Turbo R 4 Sport Base
2022 Polaris RZR Turbo R 4 Ultimate Base
2022 Polaris RZR Turbo R Sport Base
2022 Polaris RZR Turbo R Ultimate Base
2023 Polaris RZR Pro XP 4 Premium Base
2023 Polaris RZR Pro XP 4 Sport Base
2023 Polaris RZR Pro XP 4 Ultimate Base
2023 Polaris RZR Pro XP Premium Base
2023 Polaris RZR Pro XP Sport Base
2023 Polaris RZR Pro XP Ultimate Base
2023 Polaris RZR Turbo R 4 Premium Base
2023 Polaris RZR Turbo R 4 Sport Base
2023 Polaris RZR Turbo R 4 Ultimate Base
2023 Polaris RZR Turbo R Premium Base
2023 Polaris RZR Turbo R Sport Base
2023 Polaris RZR Turbo R Ultimate Base
2024 Polaris RZR Pro XP 4 Premium Base
2024 Polaris RZR Pro XP 4 Sport Base
2024 Polaris RZR Pro XP 4 Ultimate Base
2024 Polaris RZR Pro XP Premium Base
2024 Polaris RZR Pro XP Sport Base
2024 Polaris RZR Pro XP Ultimate Base
2024 Polaris RZR Turbo R 4 Premium Base
2024 Polaris RZR Turbo R 4 Sport Base
2024 Polaris RZR Turbo R 4 Ultimate Base
2024 Polaris RZR Turbo R Premium Base
2024 Polaris RZR Turbo R Sport Base
2024 Polaris RZR Turbo R Ultimate Base
2024 Polaris RZR XP 4 1000 Sport Base
2025 Polaris RZR Pro XP 4 Sport Base
2025 Polaris RZR Pro XP 4 Ultimate Base
2025 Polaris RZR Pro XP Premium Base
2025 Polaris RZR Pro XP Sport Base
2025 Polaris RZR Pro XP Ultimate Base
2025 Polaris RZR XP 4 1000 Sport Base
2026 Polaris RZR Pro XP 4 Ultimate Base
2026 Polaris RZR Pro XP Sport Base
2026 Polaris RZR Pro XP Ultimate Base