http://www.myisuzuparts.com
You can look up any part on either vehicle and click the question mark on the right and it'll show all Isuzu vehicles that share that exact part.
You're probably better off asking about the tranny and engine over at the Planet. Some parts may not have the same exact part number, but they'll still work fine.
http://forum.planetisuzoo.com/viewforum.php
Mark
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