2000-2001 Polaris Magnum 325 4x4. 2000-2001 Polaris Magnum 325 4x2. 1999-2001 Polaris Magnum 500 4x4. 2000-2001 Polaris Xpedition 325. 2000-2001 Polaris Xpedition 425. Bearing seals are double-lipped rubber that provides superior exclusion of water, dirt and sand with improved grease retention.