*This is for models that use the double U-Joint Axle * It will fit rear left or right on the following Polaris ATVs * 1996-1998 Sportsman 500, 1999-2000 Sportsman 335, 1999 Diesel 455, 1999 Worker 335, & 1997 Xplorer 500 * Compressed overall axle length - 527.5 mm * Inner joint splines- 36 * Outer joint splines - 26 * Made to replace Polaris OEM # 1380110.