TUNE UP KIT AIR FILTER 96-09 POLARIS SPORTSMAN 400 500 4X4 6X6 5811633 7080595 Tune Up Kit for 1996-2008 Polaris 400 500 4X4 6X6 several models. Polaris Pre-Filter OEM# 5811633, Inexpensive replacement air filter for the stock filter Replaces OEM# 7080595 Gilomen Innovations brand, Fuel Filter OEM# 2530009 & Spark Plug. Gilomen Innovations is a Minnesota based company. If unsure if this kit will work on your machine please message me with year, make & model.