I have a 2004 Chevy 2500 5.9L Cummins 4WD.Question:What parts do you recommend for an overhaul of the NP271 Dodge Transfer Case?Answer:Bearing Overhaul Kit our part number MWTBk485A your cost $196.67Chain 1.5 inch 49 links part number MWTCL10-064 your cost $117.57Drive & Drive Sprocket part number MWT421805 2 each at $35.00 ea.Extension Housing part number MWTNV45379 your cost $18.00 plus S&HTake advantage of our technical expertise if you need any additional assistanceor to order the parts just give us a call 888-824-2012.  See the other parts that we can provide for the NP271 on our site.