The last 4 digits of your Vin #. They are usually painted on the pin box. Factory uses it & for us on the forum, it identifies if yours was built before or after someone else.
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2014 Mobile Suite Estates 38RSB - custom home
2014 F450 KR CC 4x4 ...... his office
2015 Lance 1172 - traveling Motel (solar and generator)
Working Fulltimers since 3/2005
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