Of all the components that make up this Gasket Kit A the Washer Seal, 6mm has the lowest price.
The most expensive part in this assembly is the Gasket Sheet Kit, (nas).
Parts such as the Gasket Kit A: Gasket,ex.pipe (nas), O-ring,7.7x2.5, Gasket Sheet Kit, (nas), Washer O-ring Kit are included in the Trx500fma 2010 (a) Australia Gasket Kit A parts fiche.