Chevrolet Trailblazer EXT Cabin Air Filter by Year

The Chevrolet Trailblazer EXT (2005–2006) uses a consistent filter part number across all 2 checked model years. Select a year below to open the exact page with source notes before ordering.

Year Filter Source coverage Page
2006 WIX NR Reference Open record →
2005 WIX NR Reference Open record →
Filter part number WIX NR Same across all 2 listed years

Chevrolet Trailblazer EXT cabin air filter — frequently asked questions

What cabin air filter fits the Chevrolet Trailblazer EXT?
Checked catalogs list WIX NR as a compatible cabin air filter for the Chevrolet Trailblazer EXT (2005–2006). Confirm this part number in the seller's vehicle selector before ordering.
How many years of Chevrolet Trailblazer EXT cabin air filter data do you have?
Our checked records cover 2 model years for the Chevrolet Trailblazer EXT (2005–2006). Select a year in the table above to open the exact fitment record.
How often should I replace the Chevrolet Trailblazer EXT cabin air filter?
Most manufacturers recommend replacing the cabin air filter every 15,000–25,000 miles or once a year, whichever comes first. Check your Chevrolet Trailblazer EXT owner's manual for the exact interval and inspect it at every oil change.

Look up a specific Chevrolet Trailblazer EXT year

Select a model year to open the exact checked cabin air filter fitment record before ordering.