EPI Polaris RZR Pro R Wheel Bearing Hub Assembly

EPI Performance Wheel Bearing Hub Assembly for Polaris RZR Pro R

The EPI WE301458 Wheel Bearing Hub Assembly is a direct bolt-in replacement for the OEM unitized hub assembly on Polaris RZR Pro R and RZR Pro R 4 models (2022–2025). It replaces the wheel bearing, hub, and wheel studs simultaneously — no separate sourcing required. Every bearing and seal needed to refit a wheel is included in one convenient package.

Key Features

• Premium high-speed bearings with low drag and double-lip seals on both sides for superior water and dirt exclusion and improved grease retention
• High-performance grease with special rust inhibitors engineered for the most demanding off-road applications
• Rubber-coated wheel seals create an optimum seal at the hub to keep out water and dirt
• Direct OEM replacement — replaces Polaris OE # 1525346 and 1523674
• Sold individually (each) — order 4 for a complete 4-hub service

Specifications

• Part Number: WE301458
• Bolt Pattern: 5/4.5 (5/114.3)
• Stud Size: 12mm x 1.5
• Replaces OEM: Polaris # 1525346 & 1523674
• Sold: Each (qty 4 required for full hub service)

Vehicle Fitment

Compatible with the following Polaris RZR Pro R models:

• RZR Pro R Sport – 2022, 2025
• RZR Pro R Premium – 2022–2024
• RZR Pro R Ultimate – 2022–2025
• RZR Pro R Ultimate Launch Edition – 2022
• RZR Pro R Troy Lee Designs – 2023
• RZR Pro R Race Replica – 2025
• RZR Pro R Factory Armored Limited – 2025
• RZR Pro R 4 Sport – 2022, 2025
• RZR Pro R 4 Premium – 2022–2024
• RZR Pro R 4 Ultimate – 2022–2025
• RZR Pro R 4 Ultimate Launch Edition – 2022
• RZR Pro R 4 Troy Lee Designs – 2023
• RZR Pro R 4 Race Replica – 2025
• RZR Pro R 4 Factory Armored Limited – 2025

Frequently Asked Questions

Q: How many hub assemblies do I need for a full replacement?
A: This part is sold each. You will need 4 units to replace all four hubs on your RZR Pro R.

Q: Does this replace the OEM Polaris hub assembly?
A: Yes. The EPI WE301458 is a direct bolt-in replacement for Polaris OE part numbers 1525346 and 1523674.

Q: What bolt pattern does this hub assembly use?
A: It uses a 5/4.5 (5/114.3) bolt pattern with 12mm x 1.5 wheel studs.

Q: Is this compatible with the RZR Pro R 4 (4-seat)?
A: Yes, the WE301458 fits both the 2-seat RZR Pro R and the 4-seat RZR Pro R 4 across all trim levels listed above.