Search  for anything...

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
Checking for the best price...
$15.20 Why this price?
Save $1.34 was $16.54

Buy Now, Pay Later


As low as $3 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – 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, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE refund/replacement until Jan 31, 2026

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.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Jun 5
Order within 7 hours and 33 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

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

Product Grade: Performance Part


Brand: Premium Guard


Fit Type: Vehicle Specific Fit


OEM Part Number: 16546AA16A


Global Trade Identification Number: 30


Brand: ‎Premium Guard


OEM Part Number: ‎16546AA16A


Global Trade Identification Number: ‎30


Shape: ‎Square


Manufacturer: ‎Premium Guard


Automotive Fit Type: ‎Vehicle Specific Fit


UPC: ‎846156068330


Item Weight: ‎7.2 ounces


Product Dimensions: ‎9.14 x 1.5 x 8.59 inches


Item model number: ‎PA99365


Manufacturer Part Number: ‎PA99365


Date First Available: October 11, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 5

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.

Top Amazon Reviews


  • Painless
Size: Premium Guard
Can confirm product fits on 24 Crosstrek Sport. Easy to install. No odor after install. Filter quality as good as OEM but much cheaper. 5* purchase
Reviewed in the United States on November 20, 2025 by Wrex

  • Worth the money
Size: Premium Guard
Excellent product
Reviewed in the United States on November 16, 2025 by Douglas Lawrence

  • 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

  • Great air Filter
Size: HIGHFLOW
Very good filter. Filters bad air with clean air. Very satisfied.
Reviewed in the United States on September 11, 2025 by ric

  • 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

  • Great oroduct
Size: HIGHFLOW
As good as if not better than OEM.
Reviewed in the United States on May 1, 2025 by JillDW53

  • 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

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...