Clutch Drive Belt for Arctic 350, 450, 650, Alterra 500, Prowler 500, 366, 400, 425, HDX, XC450 2x4, XC450 4x4, MXU 375. Compatible with specified models. Designed to meet performance requirements. Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.