Chevrolet Trailblazer filters
Every Trailblazer from 2021 to 2027, 4 engines. Pick your year for your three part numbers.
Year
Which year is yours? Tap it above.
Every year, every engine
The same part often fits many years. Here's the full list, grouped by part.
Oil filter
2 part numbers across all years
GMPartsGiant and WIX agreeChecked Oct 19, 2026Proof
Oil filter, Trailblazer, 2021-2025
12727115
Two separate catalogs list this part for every year and engine in the chart.
Who we asked
- GMPartsGiantlists 12727115GM dealer OEM catalogEvery fit in the chartLink per year, pick yours above
- WIXlists 12727115Every fit in the chartOpen WIX
Only GMPartsGiant lists itChecked Oct 19, 2026Proof
Oil filter, Trailblazer, 2025
25206377
Only one catalog backs this number for the years in the chart. Check your owner's manual before you buy.
Who we asked
- GMPartsGiantlists 25206377GM dealer OEM catalogEvery fit in the chartOpen GMPartsGiant
2026-2027, 1.2L flex-fuel, 1.2L gas, 1.3L gas and All engines: no source lists a part, so we don't show one.
Cabin air filter
1 part number across all years
Also fits: 84987523
GMPartsGiant and WIX agreeChecked Oct 19, 2026Proof
Cabin air filter, Trailblazer, 2021-2025
13508023
Two separate catalogs list this part for every year and engine in the chart.
Who we asked
- GMPartsGiantlists 13508023GM dealer OEM catalogEvery fit in the chartLink per year, pick yours above
- WIXlists 13508023Every fit in the chartOpen WIX
2026-2027, 1.2L flex-fuel, 1.2L gas, 1.3L gas and All engines: no source lists a part, so we don't show one.
Engine air filter
1 part number across all years
GMPartsGiant and WIX agreeChecked Oct 19, 2026Proof
Engine air filter, Trailblazer, 2021-2025
42712666
Two separate catalogs list this part for every year and engine in the chart.
Who we asked
- GMPartsGiantlists 42712666GM dealer OEM catalogEvery fit in the chartLink per year, pick yours above
- WIXlists 42712666Every fit in the chartOpen WIX
2026-2027, 1.2L flex-fuel, 1.2L gas, 1.3L gas and All engines: no source lists a part, so we don't show one.
Last updated Oct 19, 2026. How we check