Description This oil cooler o-ring will fit all Kawasaki1200 STX 1200cc model engines. 1 O-ring req'd. OEM Part # 92055-3764 2003 Kawasaki STX-12F 2004 Kawasaki STX-12F 2005 Kawasaki STX-12F 2006 Kawasaki STX-12F 2007 Kawasaki STX-12F