Check out any of the nineteen Gasket Set components enlisted.
A sample from the products for the Gasket Set include: Gasket,cl Cover (nas), O Ring(d:2.4,id:41.7), Gasket,oil Pan(asb) (nas), Gasket,head Cover No.2 (nas).
In this schematic the "Washer(10.6x25.5x2.3)" is used most often.