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  1. Rollin400s

    2000-2001 GMT400 OBS K2500 K3500 Door Hinge Bushing Modification

    Hopefully this post helps the next person who owns a 2000-2001 GMT400 OBS K3500 or K3500 and wants to replace their door hinge bushings. Why you ask? Well, apparently there was a mid 2000 year rolling production change to the bushings and hinge. The newer bushings are thin steel with a teflon...
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