Description
Fits: AEM 21-9034DS on 2006–2007 Classic LBZ, 21-9033DS on 2007–2010 LMM, and 21-9032DS on 2011–2012 LML GM 2500/3500HD diesel trucks; matching AEM kit required.
The exact oil-free oval filter listed in the three Brute Force HD instructions restores the intended service element without replacing the intake system. It is not the stock-airbox filter and is not 21-2288DK.
Product details
- 5-inch centered flange with 1.5-inch flange length.
- 10.5 × 8-inch base, 7.75 × 5-inch top and 8-inch element height.
- Retain the installed kit’s specified insert, support and mounting hardware; the 21-9032DS BOM identifies insert 5-2279 separately.
- Package quantity: one exact manufacturer filter. No finish/media variants are offered.
What is included
One manufacturer-listed air filter assembly. A complete intake, airbox, sensors and vehicle-specific ducting are not part of this single-filter listing. Retain the kit-specific mounting pieces required by its instructions.
Installation and service
Follow the installed kit’s exact instructions. Inspect the filter seal and required mounting pieces before reuse, then secure the element in its original specified orientation. Clean with an appropriate AEM synthetic-filter cleaner, rinse and let it dry completely; no oil is required.
Application and emissions notes
Replacement/service part only. Match the installed AEM kit number and retain its required adapters, sensors and emissions equipment. This part is not an intake conversion and does not grant emissions approval to any installation; local restrictions still apply.