Brand new mag-side crankshaft main case bearing for all 2012-2021 Polaris 570 ATV/UTV, 450 and 450HO models.


*** Please Note 2012 Engine CASES may need to be machined to Accept this Bearing on the outside Diameter****** 
The inside of this bearing does NOT require Reaming, Ready To Install.

This bearing isn't available from any Polaris dealership or repair shop. Bearing can be pressed in by any competent mechanic. No additional reaming needed! 

Don't throw away your cases! Replace your main bearing with ease! 

Note: NO CASES ARE INCLUDED IN THIS LISTING. THE PHOTOS SHOWING ANYTHING OTHER THAN THE BEARING ARE FOR ILLUSTRATION ONLY. IF YOU'RE NOT CLEAR AS TO WHAT YOU'RE PURCHASING IN THIS LISTING, PLEASE MESSAGE US.

Fits the following Machines:
  • All Polaris 2012-2021 570 motors and 2016+ Polaris 450HO and 450 engines.
We do our best to provide you with well-researched vehicle fitment and compatibility but we're not perfect. 

Study these images carefully. Please make sure that your crankshaft either matches the OEM number listed here or has enough unique visual identifiers to make an educated purchase. We're not responsible for purchases made in error. 

Please message us directly or call us if you're unsure of this listing or need help finding the right parts for your ride. We’re open M-F, 9am to 5pm MST. 

Restocking Fee:
In the event that you order the wrong part for your machine and it ships, or if you are making a return, there is a %15 restocking fee to account for inconvenience and labor. The item must be un-used and in original packaging/condition. You will be responsible for paying your own return shipping cost as well as the cost of shipping out another part (if you are making an exchange). If your return or exchange is due to an error on our part, we cover those costs.

Expedited shipping options are available at checkout

Message us if you have any questions!

***Please double check fitment!! We are not responsible for incorrectly placed orders***