There isn't a single universal cabin air filter part number for the 2012 Forester; the correct number depends on your market and whether you buy Subaru OEM or an aftermarket filter.
For drivers trying to order the right filter, the most reliable method is to check the current filter, consult the vehicle VIN-based catalog, or ask a dealer for the exact match in your region. Below is guidance on how to identify the correct part and where to find it.
Identifying the right filter for your Forester
Because Subaru used different part numbers across markets and supplier lines, you should confirm the correct number before ordering. The exact number is usually printed on the existing filter or its packaging, and the dealer can confirm via VIN lookup.
Before you start searching, note that the 2012 Forester commonly uses a standard cabin air filter design, but regional catalogs may list different Subaru part numbers for the same model year. Use the following steps to determine the exact match for your car.
- Check the filter itself: If you still have the old cabin air filter, inspect the frame and surface for a stamped or printed part number, brand name, or model designation.
- Use the VIN to look up parts: Visit a Subaru parts catalog or ask a dealer to search by your vehicle's VIN to reveal the exact cabin air filter part number for your car.
- Consider market-specific catalogs: US, Canada, and Europe sometimes list different Subaru part numbers for the same model year; be sure to select the correct regional catalog when ordering.
- Account for aftermarket options: Aftermarket filters are cross-referenced to Subaru models, but ensure compatibility with 2012 Forester (2.5-liter engine) and the correct airflow version (e.g., standard vs. recirculation design).
In practice, most 2012 Forester owners in North America end up with a filter that is designed to fit the 2012 model year and is compatible with a standard pollen/activated carbon design. If you prefer OEM, request the Subaru Genuine Cabin Air Filter specific to the 2012 Forester when ordering from a dealer or the official parts site.
OEM vs aftermarket considerations
Choosing between Subaru Genuine (OEM) and aftermarket filters affects fit and filtration performance. OEM parts are designed to match the factory specifications for your exact vehicle, while aftermarket options vary in filtration media and fit. Always verify compatibility with your market and trim level, and check that airflow direction arrows align with the system.
Where to buy and how to replace
The exact part number can be confirmed by providing the vehicle’s year, model, engine, and market region to the parts retailer. Once you have the right number, you can purchase from a Subaru dealership, authorized parts retailer, or reputable aftermarket brands.
- Replacement steps (brief): Open the glove box, detach the dampers if present, remove the old filter, note the correct orientation (arrows pointing toward the blower), insert the new filter, reassemble the glove box, and run the AC to verify airflow.
After you have the accurate part number, compare prices or check for multi-pack deals. Some buyers prefer OEM to aftermarket for guaranteed fit, while others choose budget options with comparable filtration.
Summary
For a 2012 Subaru Forester, there is no single universal cabin air filter part number. The correct number depends on your market and whether you choose OEM or aftermarket options. Confirm by checking the existing filter, consulting the VIN-based parts catalog, or contacting a Subaru dealer. If you share your market (US, Canada, Europe) and whether you want OEM or aftermarket, I can help pinpoint the most likely part numbers and retailers.
Note: If you’d like, provide your location and any preferred filter type, and I’ll help identify the exact part numbers and where to buy them with up-to-date sources.


