Polaris 0452737 Rear Final Drive Seal (depending on application). Please consult a factory fitment chart and compare OEM part numbers to confirm the product will fit your particular machine. The Ebay fitment chart is sometimes wrong and should always be double checked! These seals are brand new from new stock! These are NOT old dry rotted parts that have been sitting on the shelf for 20 years like some companies sell. This seal is our in-house bandbpartsdeals brand quality aftermarket product.