WARNING: This page is about a different car, the 2004 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Valve Body Components (1 Of 3)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Exploded View Of Valve Body Components (2 Of 3)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 3: Exploded View Of Valve Body Components (3 Of 3)