Entry Remote Key Shell Case for 02-09 Chevy Trailblazer Replacement Durable Plastic Keyless Fob Replacement shell and button pad, no electronics are included. Perfect for repairing or renewing your existing remote. Compatibility:This key shell is suitable for the vehicles listed in the compatibility chart below.Your key must look the same for this to work.The size of the buttons on your original key may be slightly different but this key shell will still work.What you get will be exactly as pictured in listing photos. See product description for a complete list of vehicles this part is compatible with Replaces 20859053, 15857839, 15913415, 20952477, 19154445, 25839476, 15913415, OUC60270, OUC60220 Key case only.No electronic internals.