Applications and Part Numbers below:
FBG111BLR - 11-14 GMC Sierra 2500HD/3500HD
FBG081BLR - 07.5-10 GMC Sierra 2500HD/3500HD
FBG031BLR - 03-07 GMC Sierra 2500HD/3500 Classic
FBG011BLR - 01-02 GMC Sierra 2500HD/3500
FBG99HBLR - 99-02 GMC Sierra 1500/(00-06)Yukon XL / Yukon
FBG99TBLR - 99-02 GMC 1500HD/2500/(00-06) Yukon XL 2500
FBC881BLR - 88-98 GMC 1500/2500/3500/(92-99) Suburban/Jimmy/Yukon