This is a new starter unit designed for a 12V system with a CW rotation and 9 teeth. It is a PMDD starter type. Please verify your old part number matches the provided number before ordering. The package includes exactly what is shown in the picture. This starter replaces part numbers Arctco: 3445-033, Arrowhead: SMU0281, and J & N: 410-54064. It is compatible with the following vehicles: For Arctic Cat ATV 400 DVX 398cc (2004-2008) For Kawasaki ATV KSF400 KFX400 398cc (2003-2006) For Kawasaki Motorcycles Off-Road KLX400R 398cc (2000-2004) For Kawasaki Motorcycles Off-Road KLX400SR 398cc (2000-2004) For Suzuki ATV LT-Z400 Quadsport 398cc (2003-2011) For Suzuki ATV LT-Z400Z Quadsport 398cc (2003-2011) For Suzuki Motorcycles DR-Z400SM Supermotard 398cc (2005-2015) For Suzuki Motorcycles Off-Road DR-Z400E 398cc (2000-2007) For Suzuki Motorcycles Off-Road DR-Z400S 398cc (2000-2015) This starter comes with a one-year warranty for any manufacturing defects.