You should just be able to give them the fender and they will repaint it according to the paint code and shouldn't need the body to blend it but I hope I'm reading your question right.
[URL="http://www.jeepforum.com/forum/f96/tanimals-2008-2d-jk-build-thread-1397184/"][COLOR="Blue"][B]-=-CLICK HERE FOR MY JK BUILD THREAD-=-[/B][/COLOR][/URL]
[URL="http://www.jeepforum.com/forum/f11/tomimal-tanimals-1993-cherokee-country-build-thread-1440379/"][COLOR="GREEN"][B]-=-CLICK HERE FOR MY XJ BUILD THREAD-=-[/B][/COLOR][/URL]
[B][I]Learning as I go and it's worth every penny![/I][/B]