Polaris Input Shaft Seal – Triple Lip Viton Seal<h6>3234851</h6>

Polaris OEM 3234851 Seal, helix 30x47 Fits: Ranger 500/570/900 RZR 570/900 Sportsman We have done a tremendous amount of real life race testing, and material testing. By far the best seals are the OEM triple lip Viton seals!  The difference between Viton and rubber seals lies primarily in their material composition, properties, and suitability for specific applications. Here’s a comparison: Material Composition: •Viton Seals: Made from fluoroelastomers (synthetic rubber). Known for their high resistance to chemicals, heat, and oils. •Rubber Seals: Typically made from natural rubber or synthetic elastomers like nitrile (NBR), silicone, or EPDM.  Temperature Resistance: •Viton Seals: Excellent resistance to high temperatures (up to 250°C/480°F). They also perform well in low temperatures.  Rubber Seals: (Temperature resistance varies by type) •NBR: to (212°F) •EPDM: to (302°F) •Silicone: to (435°F) Chemical Resistance Viton Seals: Exceptional resistance to chemicals, especially with •F