Description:

Updated Rear, Aluminum Transfer Case Half Kit; OEM# 12473226.
GM Chevy NP149 / 246 / 261HD / 263HD (Stronger Than The OEM Magnesium).
Compatible with or fits: 2001 - 2006 GMC Sierra 2500 HD 6.0L V8 with 4-Speed Automatic or 5-Speed Manual Transmission.
Rear Transfer Case Housing.
Review Description to Ensure Proper Fit.