i have 1 granatelli mass air-sensor for a hummer H2. part number is 350120C. brand new in the box.

2003-2006 6.0 Hummer H2 MAF Sensor - Black

Fits 2003-2006 6.0 Hummer H2 only
Direct OEM replacement, won't void your factory warranty
Improves mileage and throttle response
Chassis dyno proven to add 8-25 horsepower (depending on application), 60% airflow increase over stock
Improves performance from 2,000 rpm to red line
"Truly Calibrated" on our in-house MAF Dyno and Flow Bench to optimize performance for YOUR specific application
Compatible with most electronics and aftermarket bolt-on performance equipment
Installs in 10-15 minutes using basic hand tools.

they sell around $300 but u can have this one for $170 shipped to ur door

this is my first post here, but u can find me with the same screen name on www.corvetteforum.com and check my feedback on other sales. paypal preferred...

best way to contact me is by email at ooalexroo@aol.com

thank you all...