The OEM oil filter number for a 2008 Subaru Impreza is 15208AA12A (also listed as 15208AA120 in some catalogs).
In 2008 the Impreza line in the US used EJ-series 2.5L engines across trims such as 2.5i, 2.5i Limited, and WRX. The oil filter is a cartridge-style unit, and while 15208AA12A is the common reference, some catalogs may show 15208AA120. Always verify with the official Subaru parts catalog or by checking the filter currently installed in your vehicle.
How to confirm the exact filter for your car
To confirm the exact part for your car, follow these steps:
- Check the part number stamped on the current oil filter or its packaging; for many 2008 EJ-series engines, the common OEM reference is 15208AA12A, with 15208AA120 appearing in some catalogs.
- Consult the owner's manual or maintenance schedule for the recommended oil filter part number for your engine code (EJ251/EJ255).
- Use Subaru's official parts catalog or contact a local dealer and provide your VIN to obtain the exact filter number for your vehicle.
- If purchasing aftermarket, ensure the filter is listed as compatible with Subaru EJ25 engines and matches the thread size and gasket configuration; confirm with the retailer if needed.
The steps above help ensure you get the correct filter; the most commonly used OEM number is 15208AA12A (also 15208AA120 in some catalogs).
Notes on compatibility and aftermarket options
Most aftermarket filters that fit EJ-series engines will work on a 2008 Impreza, but always verify compatibility for your vehicle's trim and market. When in doubt, rely on the VIN-based cross-reference from Subaru's parts catalog or confirm with a dealer.
Summary
For a 2008 Subaru Impreza, use oil filter part number 15208AA12A as the primary OEM reference; some catalogs list 15208AA120 as well. Verify via VIN or the current filter to ensure the correct part, and consider official dealer guidance or trusted retailers for an exact match.


