2007 Avalanche (submodel: LS, LT, LTZ) With AC, With Trailer Tow Pkg., With 4.10 Rear Axle Ratio. 2002-2005 Avalanche 1500 Base With AC, With Trailer Tow Pkg., With 4.10 Rear Axle Ratio. 2003 Avalanche 1500 WBH With AC, With Trailer Tow Pkg., With 4.10 Rear Axle Ratio.
