Mitsubishi parts diagrams can be found online at mitsubishiparts.net. The site allows the user to search by year and model of Mitsubishi vehicle, which returns results that generally include parts diagrams.
A similar resource that works the same way can be found at oemmitsubishiparts.com. Visitors to the site can use the search boxes provided to search for vehicles by year and model. The resulting category list allows the user to narrow the search to specific systems or parts sets. Refining the search from there leads to parts listings, which include links to a parts diagram for that part's system or component group.