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Premium Guard

PG Engine Air Filter PA99365 | Fits 2019-2025 Subaru Forester, 2018-2025 Crosstrek, 2020-2025 Outback, 2019-2025 Ascent, 2017-2025 Impreza, 2020-2025 Legacy, 2022-2025 WRX

  • Based on 898 reviews
Condition: New
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$15.20 Why this price?
Save $1.34 was $16.54

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As low as $3 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

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FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Sep 16
Order within 17 hours and 16 minutes
Available payment plans shown during checkout

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Size: Premium Guard


Features

  • SUPERIOR ENGINE PROTECTION Premium Guard Air Filters filter out 99% of incoming engine air to help extend the life of your engine.
  • EASY TO INSTALL - Premium Guard Air Filters are engineered to fit perfectly inside your vehicles housing for quick and easy installation.
  • Compatible with Subaru Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV. Precisely designed, engineered, and tested to meet and exceed all Subaru OE air filter requirements.
  • Replaces Subaru 16546AA16A Air Filter. Always check fitment using the Vehicle Filter

Brand: Premium Guard


OEM Part Number: 16546AA16A


Shape: Square


Manufacturer: Premium Guard


UPC:


Manufacturer: ‎Premium Guard


Brand: ‎Premium Guard


Item Weight: ‎7.2 ounces


Product Dimensions: ‎9.14 x 1.5 x 8.59 inches


Item model number: ‎PA99365


Manufacturer Part Number: ‎PA99365


OEM Part Number: ‎16546AA16A


Date First Available: October 11, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Sep 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Perfect Fit.
Size: Premium Guard
Great price. Fits my ‘19 Forester perfectly. I’ve bought this item more than once.
Reviewed in the United States on August 16, 2025 by Diana
    • Works for us
Size: HIGHFLOW
Purchased yearly
Reviewed in the United States on August 24, 2025 by Eva Muhr
    • Value
Size: HIGHFLOW
Quality product and great price
Reviewed in the United States on May 31, 2025 by paul tipton
    • Good Filter
Size: Premium Guard
Subaru did not make it easy to install this filter. The new filter seems like the material for the filter might be thinner than the OEM version. I think I will change this filter more frequently due to this. Next tie I will probably buy one of the more expensive filters because the filter material did seem thinner. The filter did fit and will do the job. ... show more
Reviewed in the United States on September 23, 2024 by Just reviewing
    • Fit Perfectly
Size: Premium Guard
Great price and perfect fit. Mine wasn't very dirty but better safe than sorry
Reviewed in the United States on April 10, 2025 by Ronald Napierkowski
    • Fit 2019 Subaru Crosstrek
Size: Premium Guard
Fit my 2019 Subaru Crosstrek perfectly, no issues.
Reviewed in the United States on March 21, 2025 by Ben del Rio
    • Great oroduct
Size: HIGHFLOW
As good as if not better than OEM.
Reviewed in the United States on May 1, 2025 by JillDW53
    • 2020 Subaru
Size: Premium Guard
Fits my 2020 Subaru Forester perfect! Easy to install. Will never buy one from the dealership again.
Reviewed in the United States on January 26, 2025 by Denise

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