WARNING: This page is about a different car, the 2001 GMC Sierra and 2001 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: RF of the Engine Compartment Components (4.3L)
Courtesy of GENERAL MOTORS COMPANY
Callout
Component Name
1
Air Cleaner Assembly
2
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly