The Regulator Rectifier for 2002-2008 Yamaha Grizzly 660 YFM660 is a durable aluminum voltage regulator designed for easy bolt-on installation.  It is a direct replacement for the OE/OEM part numbers 5GT-81960-00-00 and 5BN-81960-00-00. The product includes a matte finish and is a single unit, making it an ideal choice for Yamaha ATV enthusiasts looking to replace or upgrade their voltage regulator.