Don't know if these prices are great, but found this outfit on the web that is located here in Texas:
O2 sensor (4 required) - original - $124.89 each
O2 sensor (4 required) - Bosch, 4-wire universal with wiring kit - $86.27 each
MAF (with e-accelerator/e-gas - option code 620) - $283.03
MAF (without e-accelerator/e-gas) - $247.91
If you'd like to buy, please forward this email to
sales@********************************************************************.com or call toll-free 1-800-200-9366.