Cadillac CT4 Air & Cabin Filters by Year
The 2023-2026 Cadillac CT4 takes cabin air filter 13508023 and engine air filter 84335354, plus oil filter 12731742 (OEM part numbers). 2022 models take cabin air filter 13356914 and engine air filter 84335354, plus oil filter 12731742, and earlier years are in the table below.
Filters by model year
| Model years | Cabin air filter | Engine air filter | Oil filter | Buy |
|---|---|---|---|---|
| 2023-2026 | 13508023 | 84335354 | 12731742 | Shop cabin filter |
| 2022 | 13356914 | 84335354 | 12731742 | Shop cabin filter |
| 2020-2021 | 13356914 | 84498926 | 19433936 | Shop cabin filter |
These are the factory (OEM) part numbers. Searching one also finds the matching aftermarket filters, which list it as a cross-reference. Shop links go to Amazon, and we may earn a commission at no extra cost to you. Open your exact year below for the full details and sources.
Every CT4 year
Sources. The filter part number for 5 of 7 model years is checked against a cited source, most often Cadillac OEM parts catalog. Each year page lists its own sources.
Last verified 2026-06-21. Maintained by Matan B., who runs GarageDex. How we verify.