Subaru Engine Air Filter Element 16546AA210 for Impreza & Crosstrek (2017–2023) — OEM Fit, Restores Airflow

This is the genuine Subaru engine air filter element (part 16546AA210), designed to fit 2017–2023 Impreza and 2018–2023 Crosstrek models and restore factory airflow and filtration.

When your Subaru needs an original-equipment replacement, this Subaru OEM air filter element provides the correct dimensions, materials, and sealing to match factory performance. Using the specified part number ensures proper fit in the airbox and helps maintain engine breathing and the intended service interval. Replacing a worn or clogged filter with the genuine unit helps preserve throttle response and fuel-efficiency characteristics that depend on consistent airflow.

How does this Subaru air filter restore engine airflow?

The genuine element is manufactured to the vehicle maker's original tolerances and media specifications, so it matches the airflow curves Subaru engineers designed. A fresh filter reduces restriction compared with a clogged unit, helping the engine obtain clean air without excess resistance.

• OEM filtration media and pleat count for consistent performance
• Precisely cut gasket and frame for airtight installation
• Fits the Impreza and Crosstrek airbox without modification

Will this part fit my vehicle and how do I confirm compatibility?

This filter is listed as Subaru part number 16546AA210 and is intended for Impreza model years 2017–2023 and Crosstrek model years 2018–2023. Cross-check your VIN or existing part number to be certain it’s the correct replacement for your specific engine and trim.

• Match the part number 16546AA210 on your current filter
• Check your vehicle year: Impreza (2017–2023), Crosstrek (2018–2023)
• Confirm fitment with VIN lookup or dealership parts department if uncertain

How easy is installation and what tools are needed?

Replacing the air filter element is a simple maintenance task that typically requires only basic hand tools and minimal time. The filter sits in the airbox and can usually be swapped out in a few minutes by releasing the airbox clips or screws and swapping the element.

• No special tools required—common screwdrivers or a small socket set are sufficient
• Typical installation time: 5–15 minutes depending on access and fastener type
• Follow vehicle service manual or on-board instructions for correct seal orientation

What are the practical benefits of using a genuine Subaru air filter?

Choosing the OEM filter keeps filtration and airflow characteristics consistent with Subaru factory settings, supporting engine responsiveness and long-term component compatibility. Genuine parts also reduce the risk of poor fit, air leaks, or premature wear that can arise from ill-fitting aftermarket units.

• Factory-approved materials and dimensions for reliable operation
• Helps maintain intended fuel and ignition calibration by preserving airflow
• Reduces risk of debris bypass that can impact engine components

Who is this for: Drivers and technicians who own Subaru Impreza (2017–2023) or Crosstrek (2018–2023) models and want a direct-fit, manufacturer-specified air filter replacement. It’s ideal for anyone restoring scheduled maintenance with authentic Subaru parts, ensuring correct fitment, predictable performance, and peace of mind when servicing the intake system.