1、Part Number: Manufactured according to strict original specifications, voltage regulator rectifier compatible part numbers are 515173200, 515175216, 515175491. 2、Applicable Model: Replacement for Ski‑Doo Snowmobiles Formula III 700 698cc 2000; Replacement for Ski‑Doo Snowmobiles Mach Z 796cc 2000‑2003; Replacement for Ski‑Doo MX Z 440 443cc 2000‑2001 etc. 3、Rectifier Function: The rectifier uses a semiconductor diode to conduct current to rectify and control the power supply, provide a stable voltage for the battery, and improve the ignition efficiency of the engine. 4、Direct Replacement: This is a replacement part for the original voltage regulator rectifier that matches or will exceed the original in form, function and properties. 5、Excellent Durability: Plug and play, easy installation, improved ignition start, stable performance. Aluminum alloy material shell, can be durable for a long time.