This starter relay is compatible with the following vehicles: Filly 50 LX (50cc , 2000–2006), Mongoose 70 (69cc ATV, 2007–2014), Mongoose 90 (89cc ATV, 2004–2010), People S 50 4T (49cc , 2006–2013), Sento 50 (50cc , 2008–2012), 100 (100cc , all years), Arctic DVX 90 (2006–2018), Arctic 90 (2006–2008), Arctic 90 (2006–2016), and Arctic Alterra 90 (2017–2019).It replaces part numbers 38500-KKDK-900 and 3303-143.The relay uses oxygen-free copper windings and PA66/PBT plastic housing.It operates by using a small current to engage the starting , supplying power to the starter motor to enable engine cranking.The unit meets ISO9001 quality standards and has been tested for under repeated.