O2 front for Subaru Legacy B4 BL5 Genuine part 22641AA390 22641AA391 sensor, side, BP5. number O2SM-201

[Compatible OEM Part Number] 22641AA391 O2 sensor O2SM-201 *Even if your vehicle model matches the one listed in the product description, compatible parts may differ depending on the year, trim level, etc. Please check the genuine part number before purchasing. The product image is for illustrative purposes only (it may not represent the actual product).