This oil filter O-ring is essential for preventing leaks when changing your bike's oil filter. it is the thin, rubber gasket that creates a tight seal between the oil filter housing and engine on applicable motorcycle models. This narrow O-ring is often omitted from oil filter packaging yet is still needed to ensure a leak-proof fitment. Replacing the filter O-ring during routine oil changes helps maintain optimal engine performance and prevent messy, costly oil leaks onto exterior components. This oil filter seal provides fitment and durability to keep your ride running smoothly. Compatible With Bayou 220 (2002-1988), Bayou 250 (2011-2003), Bayou 300 (2004-1987), Jet Ski 550 (1988-1982), KLX110 (2014-2002) KLX110L (2014-2010), Ninja 1000 (2012-2013), Ninja ZX6R (2013-1995), Ninja ZX6RR (2006-2003), Ninja ZX9R (2003-1998), Ninja ZX10R (2013-2011), Ninja ZX12R (2005-2000), Z125 Pro (2018-2017), Z750 (2010-2007), Z1000 (2013-2003), ZZR600 (2008-2005)