The O-ring 11x2.4 is the most widely applied product in the TRX500FA 2005 (5) USA OIL COOLER ( four times ).
Parts such as the Oil Cooler: Bolt-wash, 6x12, O-ring 11x2.4, Hose Comp,lower O, Cooler Comp,oil are included in the Trx500fa 2005 (5) Usa Oil Cooler parts fiche.
The Trx500fa 2005 (5) Usa Oil Cooler consists of six pieces with the Cooler Comp,oil being the most expensive.