Description

Polaris Sportsman & Scrambler 850/1000 Main Bearing & Seal Kit

The Polaris Sportsman & Scrambler 850/1000 Main Bearing & Seal Kit is designed for riders rebuilding the bottom end of their engine. Replacing worn main bearings and seals helps maintain proper crankshaft support, restore oil control, and improve long-term engine reliability.

Whether you’re rebuilding after engine wear or completing preventative maintenance, installing fresh bearings and seals while the engine is apart helps reduce future repairs and supports dependable performance.

What This Kit Includes

• Main Bearing & Seal Kit

Built for Bottom-End Engine Service

Main bearings support the crankshaft throughout engine operation, while the seals help keep oil where it belongs. As these components wear, oil leaks, bearing damage, and reduced engine life can follow. Replacing them during a rebuild helps restore factory clearances and supports smooth engine operation.

• Main bearings and seals.
• Supports proper crankshaft operation.
• Ideal for bottom-end rebuilds.
• Designed for dependable engine service.

Compatible Polaris Models

• 2015-2022 Polaris Sportsman 1000
• 2015-2020 Polaris Scrambler 1000
• 2014-2022 Polaris Sportsman 850
• 2014-2021 Polaris Scrambler 850

If you’re unsure whether this kit fits your engine, Contact REV6. Our team will help verify the correct parts before you order.

Complete Your Polaris Sportsman & Scrambler Bottom-End Rebuild

Need additional bearings and seals? Compare the Polaris Sportsman & Scrambler 850/1000 Bearing & Seal Kit.

Replacing more bottom-end components? Pair this kit with the Polaris Sportsman & Scrambler 1000 Bottom End Refresh Kit.

Planning a complete overhaul? Upgrade to the Polaris Sportsman & Scrambler 1000 Complete Bottom End Rebuild Kit.

Browse the Polaris Sportsman & Scrambler Parts Catalog for additional bearings, seals, engine parts, and rebuild kits.

Protect Your Bottom-End Investment

Fresh main bearings and seals provide the support your crankshaft needs for smooth, reliable operation. Replacing them during an engine rebuild helps protect internal components and gives your rebuild a dependable foundation. Every REV6 Main Bearing & Seal Kit includes a 1-year warranty and ships nationwide.