Buying the HPS Engine Drop-In Panel Air Filter (Pre-Oiled/Washable/Reuseable) HPS-457374 should be simple, so here are the facts without the marketing noise.

Fuel delivery parts operate at pressure, so sealing and material compatibility are not optional. Re check clamp torque after the first week of heat cycles.
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Every hps engine drop-in panel air filter order goes through the same fitment review.
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The important numbers
- Category: Filter
- Price: $75.87 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS Performance Drop-In Air Filters are a direct replacement for your vehicle’s engine air filter. HPS uses a low pressure injection molding process to produce the panel filter’s frame, ensuring a high quality product that allows for up to 25% more airflow than the leading brand. The woven cotton filtration media is encased between durable stainless steel mesh to retain its rigid pleats. This filter is coated with a specially formulated synthetic oil that traps fine particles within the double-layered woven cotton media.
It installs in just minutes using little to no tools, depending on the vehicle. HPS Performance Drop-In Air Filters should be serviced every 30,000 miles using the HPS Performance Air Filter Cleaning Kit to maintain optimal filtration and airflow. Manufactured using only high-quality materials, this HPS Performance Drop-In Air Filter is engineered to last and is covered under HPS’s 10-year limited lifetime warranty.
- Material: Urethane Rubber Frame / Multi-Layer Woven Cotton / Steel Mesh
- Color: White Cotton / Black Frame
- Finish: Pre-Oiled
- Manufactured in the USA using proprietary 4-step molding process to ensure the highest quality.
- Specially formulated sensor-safe oiled cotton filtration media traps particles as small as 5 microns.
- Up to 25% more air flow compared to the leading manufacturer.
- Washable and reusable, eliminates waste from single-use filters.
- Designed to meet or exceed OE specifications and covered by HPS’s 10-year limited lifetime warranty.
- Installs in just minutes.
Application:
U.S Models
For 2019-2024 Subaru Ascent 2.4L H4 Gas
For 2018-2024 Subaru Crosstrek 2.0L 2.0L Hybrod 2.5L H4 Gas
For 2019-2024 Subaru Forester 2.5L H4 Gas
For 2017-2024 Subaru Impreza 2.0L H4 Gas
For 2020-2024 Subaru Legacy 2.4L 2.5L H4 Gas
For 2020-2022 Subaru Outback 2.4L 2.5L H4 Gas
For 2018-2019 Subaru XV 2.0L H4 Gas
Non U.S Models
For 2016-2019 Subaru Impreza 1.6L H4 Gas (From 7/16)
For 2017-2019 Subaru XV 1.6L H4 Gas (From 5/17)
Remark:
Installation:
Product Content:
- 1 x Panel Air Filter
Included instruction (Online Version) with pictures/description to guide the installer throughout the whole process.
Cross Reference Number:
- HPS-457374, A3109C,A35592,PA35592,A1985,SA9997,16546AA150,16546AA16A, HPS457374
We would rather answer a question before you buy than process a return afterward, so ask freely.
Also worth a look: Air Intake & Fuel · HPS HPS-4326 Preoiled 2Layer Woven Cotton Air Filter 3″ ID · HPS Right Side Drop-In Panel Air Filter (Pre-Oiled/Washable/Reuseable) For 18+ Kia Stinger CK/19+ Genesis G70 3.3 V6 · full catalog
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
A neutral reference for this work is the NHTSA vehicle safety hub.
Questions we get about this part
How do I know this is the right part?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How quickly can I get this?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
What is the return policy?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
What happens before my order ships?
We confirm sensor housing and coupler sizing on intake orders before packing.




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