Buy 2003 Chevrolet Astro Base Standard Cargo Van 4.3L Vortec V6 A/T AWD Air Bag Impact Sensor (Front) Ft, Models, Heavy, Body - OEM Chevrolet Part # 16246305

Sensor. Impact. Air. Bag.
A Sensor to determine the location on the vehicle of Impact and the severity of the Impact to determine if and which Air Bags should be deployed. Ft. Side.

Air Bag Impact Sensor

All Models. All Models; w/o Silverado, Sierra. All Models; w/Silverado, Sierra; w/o 2" Body Raised. Astro, Safari. Express, Savana. Front. W/o heavy duty.
Air Bag Crash Sensor - Repair or Replace
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your 2003 Chevrolet Astro, particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.