Replace that stock seal that can never seem to keep the water and dirt out. This new seal will always keep its shape so it will help eliminate water or dirt in to the air box. Installs just like the stock unit, no modifications necessary. FITS THE FOLLOWING MODEL(S): 2010-'14 RZR 4 800 2008-'14 RZR 800 2009-'14 RZR S 800 REPLACES POLARIS PART NUMBER(S): 5813078 We make every attempt to ensure every items fitment is accurate. We do the testing on each item before its listed for sale to ensure fitment and quality. Items may fit multiple years and models listed. Returns are subject to 15% restocking fee.