GM 246
Transfer Case will fit a Silverado Tahoe Sierra Yukon 2500 from 1998 1999 2000 2001 2002 with a 4L80E or 4L85E transmission 32 spline Input Gear.
NP8 Motor ( 4 Buttons on the Dash: Auto, 2H, 4H, 4L)
If the ad is up I still have it...