
Transfer Case Model 263-XHD Transfercase : Two Year Warranty
The NP263-XHD transfer case is a heavy-duty, electric-shift transfer case for a variety of Chevrolet and GMC 4WD vehicles with Duramax Diesel and Allison Transmissions. This unit is remanufactured in our South Carolina facility and includes a twenty four month, unlimited miles warranty. About the NP263-XHD The 263XHD is an extra heavy-duty transfer case for 2000-2007 Chevrolet and GMC 2500HD, 3500 and 3500HD vehicles with the 6.6L Duramax diesel or the 8.1L gas engine. The unit has a 29 spline front input, (electric shift) 31 spline rear slip 1.608 O.D. female front output shaft. Chevrolet Silverado 2500HD 2002-2007 Chevrolet Silverado 3500/3500HD 2001-2006 GMC Sierra 2500HD 2002-2006 GMC Sierra 3500/3500HD 2001-2006 The original rear case half on 263XHD units has a design issue where the oil pump rubs against the case causing pin-holes in the soft thin magnesium shell. These pin-holes allow the fluid to seep out and evaporate, leaving the transfer case without proper lub