AEM Dryflow Air Filter Built for Diesel Trucks Available as Spare or Custom Filter

AEM clamp-on Dryflow air filter, number 21-2258DK, was originally developed to meet the filtration demands of an AEM Brute Force HD intake for Chevy Silverado and GMC Sierra Duramax pickups

AEM Dryflow synthetic clamp-on air filter 21-2258DK was originally developed to meet the filtration demands of an AEM Brute Force HD intake for Chevy Silverado and GMC Sierra Duramax powered pickup trucks. The massive size of this AEM Dryflow air filter, combined with the pleated synthetic filter media will provide high airflow, excellent filtration, long service intervals, and exceptional engine protection

The ABS plastic AEM synthetic diesel air filter top plate includes two threaded inserts if support brackets need to be used in custom applications

Advanced Dryflow, non-woven, oil free, synthetic air filter media is at the heart of this clamp-on AEM diesel air filter which allows for easy cleaning, durable service, and excellent filtration without the need for air filter oil. When it does come time to service the filter, cleaning can be easily completed using the AEM air filter cleaner 1-1000. Cleaning is performed by following a simple four step process and the AEM dry filter does not require oil. No oil means the filter can be returned to service sooner and with less effort.

AEM Dryflow clamp-on air filter 21-2258DK has an oval shaped base measuring 10.5” long by 8” wide. The 8” tall filter is tapered at the top end which measures 7.75” long by 5” high. The ABS plastic diesel air filter top plate includes two threaded inserts if support brackets need to be used in custom applications. The base of 21-2258DK uses a flange intended for clamping onto an enormous 5” diameter intake tube inlet.

The base of 21-2258DK AEM Dryflow diesel air filter uses a flange intended for clamping onto an enormous 5” diameter intake tube

If purchased as a spare air filter for AEM Brute Force HD Duramax Diesel air intake, 21-9032DS, 21-9033DS, or 21-9034DS this clamp-on Dryflow air filter is covered by a lifetime limited warranty

If purchased as a spare air filter for AEM Brute Force HD Duramax Diesel air intake systems, 21-9032DS, 21-9033DS, and 21-9034DS this clamp-on Dryflow air filter is covered by a lifetime limited warranty. If 21-2258DK is used for any custom, racing, or off road uses it is warranted against defective materials or workmanship for one year only.

Use the Search by Car or Truck tool to find vehicle specific AEM products, or view additional AEM clamp-on Dryflow air filters on the Universal Air Filters By Dimension page. To find an AEM dealer near you, use the Search for AEM Dealer feature or simply visit AEMintakes.com.