Shop OEM General Motors Part # 23101674. Cabin Air Filter. Sierra, Silverado; AC Delco CF193C. Cabin Air Filter - Repair or Replace If the air coming out of your vents smells a

Cabin Air Filter.
Cabin Air Filter. Carbon.

Cabin Air Filter

Sierra, Silverado; AC Delco CF193C.
Cabin Air Filter - Repair or Replace
If the air coming out of your vents smells a little funny—like mildew or funk—or if your windshield fogs up with the A/C on, your may have a clogged cabin filter. Many manufacturers recommend replacing the cabin filter, or pollen filter, as part of its scheduled maintenance.