Not sure if this is the belt for all applications.  It was in the box so I'm throwing it in.  Maybe it'll fit, maybe not depending on what options are used

The Serpentine Tensioner with Belt & Pulley is a direct replacement part for GMC Canyon SL models from 2004-2008. This drive belt tensioner features a belt tensioner pulley type and comes with various part numbers for compatibility. Manufactured by DPX4C2, this aftermarket replacement part also includes a California Prop 65 Warning. With interchange part numbers such as 203363, 305269, and 419-125, this serpentine tensioner is a reliable option for maintaining the proper tension in your vehicle's drive belt.