CAPA parts or not?

[tequilalizzie]

If I am buying auto body parts for my 2003 pontiac vibe is it neccesary they be CAPA I noticed these are more expensive why is this?

[Jyik40]

CAPA is a certification given to parts that have met a certain level of quality. http://www.capacertified.org/overview.asp The certification ensures a certain level of quality when buying replacement body parts. The CAPA parts are probably better built = more $$$